EP3610099B1 - Entladevorrichtung zur erzeugung einer stehenden welle - Google Patents

Entladevorrichtung zur erzeugung einer stehenden welle Download PDF

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Publication number
EP3610099B1
EP3610099B1 EP17718045.2A EP17718045A EP3610099B1 EP 3610099 B1 EP3610099 B1 EP 3610099B1 EP 17718045 A EP17718045 A EP 17718045A EP 3610099 B1 EP3610099 B1 EP 3610099B1
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EP
European Patent Office
Prior art keywords
water
flow
ramp
blade
discharge
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EP17718045.2A
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English (en)
French (fr)
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EP3610099A1 (de
Inventor
Laurent SUBLET
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Hydrostadium SA
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Hydrostadium SA
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Publication of EP3610099A1 publication Critical patent/EP3610099A1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/0006—Devices for producing waves in swimming pools

Definitions

  • the invention relates to a device for generating a standing wave.
  • WO 2008/037928 A1 describes for example a basin in which the water is directed on a ramp.
  • the ramp has a deflector at its lower end, the water being agitated by means of the deflector so that a standing wave is generated behind the ramp.
  • the document EP0601641 A1 also describes a basin in which the water is directed on a ramp.
  • a shut-off valve can stop the flow.
  • WO 2010/015788 A1 describes a device for practicing a sliding water sport.
  • the device comprises water flow means for artificially creating, on a support, a flow of water where the user can practice this sport.
  • Position control means ensure a distribution, on the support, of the flow of water created, as a function of the position, or of movements on this support, of the user or of the means movable with him.
  • WO 98/00211 A1 refers to an aquatic ride comprising a water channel connected to a beach area, in which a torrential flow of water can be released into the channel, to create a swell that crosses the channel, then turns into a lonely wave that spills and breaks on the beach.
  • the object of the invention is to provide an improved device for generating a standing wave.
  • the object of the invention is in particular to provide a device and a method by means of which a flow of water with a flat surface can be produced or is produced.
  • the objective of the invention is in particular to provide a device and a method by means of which a characteristic of a wave produced can be modified.
  • a device for generating a standing wave comprising at least a ramp and a discharge device for producing a laminar flow for generating a standing wave, preferably striking, the flow device comprising a blade with a ridge of. chopped off.
  • the Blade smooths the surface of the water coming out of the device.
  • the blade is associated with an evacuation opening of the evacuation device, the opening height of the evacuation device and in particular of the evacuation opening being determined as a function of a distance from a bottom of the device. evacuation at the cutting edge.
  • a surface vector of a flow surface of the ramp is disposed perpendicular to a discharge direction and perpendicular to a width direction of the discharge opening.
  • the discharge opening has an opening width and height, the width being notably notably greater than the opening height.
  • the ratio of the width to the opening height is expected to be about 3: 1 to about 10: 1, preferably about 5: 1 to about 10: 1.
  • the width of the discharge opening is substantially equal to a width of the blade.
  • the width of the discharge opening is preferably substantially equal to a width of the ramp.
  • the opening height is provided to be the distance between the cutting edge of the blade and a surface below in the direction of the blade. gravity, for example the bottom of the discharge opening or a water guiding surface of the ramp.
  • the opening height is preferably the vertical distance between the cutting edge and the surface below.
  • the opening height is the extent of the discharge opening perpendicular to the direction of flow and perpendicular to the width of the discharge opening.
  • the blade is disposed on the discharge opening of the discharge device so that an opening mode can be adjusted by means of the blade. In particular, the blade is preferably applied without play on an exterior face of the discharge device.
  • the blade has a blade height which approximately corresponds to a height of the discharge opening.
  • the blade is provided to have a blade height which is greater than the opening height of the discharge opening.
  • the blade comprises a metal, preferably a stainless metal.
  • the blade is provided to comprise a plastic material, preferably a polycarbonate.
  • the blade has at least one degree of freedom.
  • the blade is disposed movably, preferably disposed movably around the vertical axis on the discharge opening. More preferably the blade is movably mounted in at least one direction, and even more preferably in at least two directions.
  • the blade more preferably has two degrees of freedom.
  • the blade can be moved in translation on the vertical axis, in particular preferably to determine the opening height.
  • the blade can pivot at least partially about at least one axis. This offers the advantage that the opening height can be adjusted differently on the width of the discharge opening.
  • the blade is movably mounted on the vertical axis of the evacuation device.
  • the blade is movably mounted transversely in the direction of gravity.
  • At least one side of the blade is rectangular in shape. In another embodiment, at least one side of the blade is trapezoidal in shape.
  • the opening height can be changed by means of the blade.
  • the blade is preferably disposed on the discharge opening so that the opening height can be reduced or increased by moving the blade.
  • the discharge speed or the water flow rate of the discharge device can be influenced by means of the blade.
  • the blade is arranged on the downstream side of the discharge opening in the direction of flow, in particular immediately downstream.
  • the opening height will be between about 5cm and about 100cm, preferably between about 15cm and about 90cm, more preferably between about 30cm and about 80cm and even more. more preferably between about 20 cm and 80 cm.
  • the cutting edge is provided to have a bevel on one side. Furthermore, one embodiment provides that the blade has a cutting edge which has a serration. Particularly preferably, provision is made for the cutting edge of the blade to be straight. The cutting edge preferably forms substantially a straight line.
  • the ridge has a bevel.
  • the bevel is preferably a planar section of the blade which, in a sectional view towards the cutting edge, ends substantially at a point.
  • the bevel is the sharp part of the blade.
  • the blade is provided with a bevel on one side only.
  • the blade has a bevel on both sides.
  • One side of the blade is a blade side surface within the meaning of the present invention.
  • the blade is preferably inclined on a side facing downstream, and more preferably partially immersed in water on the side facing downstream, that is to say in particular the side which is oriented towards the opening. evacuation, when the evacuation device or device is in operation. On the side opposite to the downstream side, it is preferably disposed substantially above the surface of the water when the device or the discharge device is in operation.
  • the bevel is provided to form an angle to the discharge direction of about 30 ° to about 60 °, preferably about 30 ° to about 50 °, more preferably. about 40 ° to about 50 ° and even more preferably about 45 °.
  • the bevel is provided to form a sharpening angle to a blade height of about 30 ° to about 60 °, preferably about 30 ° to about 50 °, more preferably. from about 40 ° to about 50 ° and even more preferably about 45 °.
  • the cutting edge has a wire.
  • the cutting edge is expected to be blunt, i.e. cordless.
  • the angle between the bevel and the discharge direction is open upwards.
  • the angle should be determined between the discharge surface immediately behind the discharge device and the bevel of the blade side surface.
  • the device for producing a standing wave comprises at least one evacuation device as described above.
  • This device has a ramp, a surface vector of a water flow surface of the ramp being arranged perpendicular to the flow direction and perpendicular to a width of the discharge opening.
  • the ramp is disposed downstream of the evacuation device. In another embodiment, the ramp forms part of or is placed in a wave pool. The ramp is preferably sloping in the direction of flow. In another embodiment, the ramp is disposed horizontally. In particular, a surface vector of the water flow surface of the ramp is arranged parallel to the gravity vector. In one embodiment, the ramp is flat. In particular, the water flow surface is flat. In one embodiment, the water flow surface is provided to form a flat surface between the discharge device and an obstacle over which water flows after exiting the discharge device. In one embodiment, provision is made for a bottom of the evacuation device, in particular of the evacuation chamber, to be aligned, in particular without unhooking, with the water flow surface of the ramp.
  • the ramp more preferably the water flow surface, enters the drain device.
  • the discharge device is disposed on the ramp, and in another preferred embodiment, it is provided that the bottom of the discharge device, in particular of the discharge chamber, is part of the ramp or of the water flow surface.
  • a method for producing laminar flow with a device as described above, a blade being disposed immediately behind a discharge opening of the discharge device, an opening height of the discharge device. the discharge being determined at least by a distance of the bottom from the cutting edge, water flowing from the discharge device and the cutting edge of the blade smoothing a water surface.
  • the cutting edge smooths the surface of the water flowing from the discharge opening.
  • the blade is arranged so that the water has a smooth surface, in other words flat, for example on a flat surface located behind, such as for example the water flow surface of the ramp or the flow surface of water.
  • the blade is provided to have at least one degree of freedom of movement. This makes it possible to preferably modify the opening height.
  • the degree of freedom can be a degree of freedom of rotation or a degree of freedom of translation.
  • the blade is movable in translation towards the bottom of the discharge chamber or of a ramp. More preferably, it is provided that the blade is movable in translation in the direction or in the direction opposite to the vector of gravity.
  • the blade is movable simultaneously or successively in two or three or more degrees of freedom.
  • the blade can be moved by an adjustment means, for example a stepping motor.
  • the blade has at least one oblong hole.
  • movement of the blade includes in at least one degree of freedom detaching the blade from its first position, for example by loosening at least one screw, and securing the blade. in a second, a third and / or more position.
  • the water is guided on a flow surface of the ramp.
  • the water is guided on the ramp so that no turbulence appears or is produced during the passage from the discharge device to the ramp.
  • the discharge device for producing laminar flow comprises a discharge chamber, the discharge device comprising in the discharge chamber a flow straightener with a plurality of guide plates.
  • laminar flow designates a flow occurring in particular against a wall, a profile and / or a ramp.
  • Laminar flow is preferably characterized in that it follows, outside a laminar or turbulent boundary layer, the path of a wall, a profile and / or a ramp without stalling or agitating.
  • the laminar flow is preferably a movement in particular of water in which no visible turbulence occurs.
  • the water can be conducted through the flow straightener, in which the flow can be calmed or made laminar by means in particular of the guide plates.
  • a calm flow has practically no visible turbulence.
  • the water turbulence is reduced by the device.
  • the appeasement can be caused directly by at least one device such as, for example, the flow rectifier, which in particular makes the flow substantially laminar.
  • at least one device which makes the water flow more slowly such as for example a diffuser and / or an open channel.
  • a diffuser and / or an open channel can be combined in the device with the flow rectifier.
  • the water can be conducted in a first stage in the diffuser or in an open channel and preferably in an additional stage through the flow straightener. Turbulence in the water flow can be reduced by the flow straightener.
  • the device can allow the water to escape from the evacuation device, the surface of the water flow being flat.
  • the discharge device is designed so that the water flows after leaving the discharge port.
  • the evacuation device is provided to form part of a compartment.
  • the drainage device comprises in particular a drainage chamber which is designed so that the water can be directed out of the compartment.
  • the evacuation device is preferably associated with a ramp.
  • the discharge device is preferably designed so that the water leaving the discharge device is directed onto the ramp.
  • the flow straightener comprises a plurality of guide plates which can be used in particular to direct the flow of water.
  • the water is dispersed in the direction of flow upstream of the flow rectifier by means of a diffuser.
  • the flow straightener is preferably designed so that different water layers are discharged parallel to each other and in particular that the water leaves the discharge device preferably without turbulence.
  • the water can be directed in the discharge direction by means of the guide plates.
  • the plates guide are arranged so that the water flowing against it is directed towards a discharge opening.
  • a plurality of guide plates are oriented horizontally and / or a plurality of guide plates vertically.
  • the guide plates are preferably substantially planar.
  • the guide plates in another embodiment, provision is made for the guide plates to extend in the direction of discharge and / or perpendicular to the direction of discharge. In particular, their extent is a superficial extent. In one embodiment, the guide plates have a contoured shape.
  • At least two guide plates form an angle of about 90 ° between them. In another embodiment, it is provided that at least two guide plates form between them an angle different from about 90 °. In particular, two guide plates preferably have an angle of about 45 to about 90 ° between them.
  • At least two guide plates are arranged substantially parallel to each other.
  • at least one guide plate is arranged parallel to a wall of the discharge chamber.
  • a surface expanse of at least one guide plate follows a flow line in the discharge chamber.
  • a surface expanse of at least one guide plate follows a flow line in the discharge chamber which, without the flow straightener, would be in the discharge chamber.
  • the guide plates are provided with a first distance of 20 cm or more between them. In another embodiment, it is provided that at least two guide plates arranged in particular immediately one next to the other or one above the other have between them a first distance of at least minus about 5cm to about 80cm, preferably from about 10cm to about 40cm, and more preferably from about 20cm to about 40cm.
  • At least one guide plate has a second distance of about 20 cm or more from a wall of the discharge chamber. In another embodiment, it is envisioned that at least one guide plate has a second distance of about 5 cm to about 80 cm, preferably about 10 cm to about 40 cm, and more preferably about 20 cm. cm approximately 40 cm from a wall of the discharge chamber.
  • the wall of the discharge chamber comprises a ceiling, a bottom and / or at least one side wall.
  • At least two guide plates are arranged between them so that the normals to their surfaces form an angle between them of about 45 ° to about 90 °, preferably of about 60 ° to about 90 ° and more preferably about 80 ° to about 90 ° and the normals of the surfaces are disposed perpendicular to the discharge device.
  • the guide plates are provided to form a honeycomb structure.
  • two substantially horizontal guide plates and / or two substantially vertical guide plates are arranged, with a distance between them, one behind the other in the same plane in the direction of flow.
  • the guide plates have a surface extent in the direction of flow in the discharge chamber of about 10 cm to about 100 cm, preferably about 20 cm to about 50 cm and more preferably. from about 30 cm to about 50 cm.
  • a height of the discharge chamber to decrease iteratively or steadily in the direction of flow.
  • the height of the discharge chamber is the distance between the ceiling and the bottom of the discharge chamber.
  • the water flowing through the discharge chamber can be accelerated by means thereof. Thanks to its advantageous design, the discharge chamber acts as a nozzle.
  • the water can be conducted through the flow straightener, wherein the guide plates laminar or calm the flow.
  • the appeasement can be brought about immediately by at least one device such as, for example, at least one flow straightener which makes the flow substantially laminar and / or by at least one device which makes the water flow more slowly such as , for example, a diffuser and / or an open channel.
  • the water is conducted in a first stage in the diffuser or in the open channel and in another stage through the flow straightener.
  • the flow straightener reduces turbulence in the water flow and in particular ensures a level water surface and smooth flow after the water has escaped from the discharge device.
  • the device is in particular designed so that the water flows.
  • the water is accelerated by reducing the height of the discharge chamber in the discharge device.
  • the discharge chamber preferably acts as a nozzle. Furthermore, provision is preferably made for the guide plates to follow the flows located in the discharge chamber, in particular the flow lines in the discharge chamber.
  • the guide plates are arranged so that their surface extent is arranged in the direction of an expected ideal flow which is produced in particular by the walls of the discharge chamber and / or by a discharge port.
  • the guide plates are arranged so that the turbulences which can be generated for example by a nozzle effect of the discharge chamber have a counter-balancing effect.
  • the ramp is disposed on the downstream side of the device. In another embodiment, the ramp is inclined, in particular inclined in the direction of flow downwards.
  • the object of the invention is in particular to provide an energy-efficient circulation of water in a device for producing a standing wave.
  • a device for generating a standing wave which includes a wave basin, a water return channel and a compartment.
  • the wave basin comprises a wave zone and a suction zone, the suction zone being located behind the wave zone and being connected in particular in a communicating manner to the water return channel.
  • the water return channel is connected in particular in a communicating manner to the compartment, the compartment having an evacuation device which has an evacuation orifice through which the water can be conducted to the wave basin.
  • the wave basin is preferably a delimited area which lies between the compartment or the discharge device and a delimiting wall downstream.
  • the wave pool preferably includes a wave area in which the wave can form.
  • the wave basin comprises in particular a suction zone from which water behind the wave or behind the wave area of the wave pool either flows or is sucked in.
  • the wave basin has at least two other walls which define the wave basin laterally or perpendicular to the direction of flow.
  • the wave basin presents an obstacle for the formation of a standing wave.
  • the wave basin has a ramp.
  • the water return channel preferably leads the water from the wave basin into the compartment.
  • the water return channel is disposed at least partially under the wave basin. More preferably, the water return channel is approximately as wide as the wave basin, and even more preferably approximately as wide as the suction area, perpendicular to the direction of flow in the water return channel.
  • the water return channel is provided to have a smaller width than the wave basin. In another embodiment, the water return channel is provided to have a greater width than the wave basin. In another embodiment, the water return channel is provided to have a plurality of partial channels.
  • the compartment is a delimited area in which water pressure can be generated.
  • the compartment can be an open or closed channel.
  • a closed channel is a pressurized pipe.
  • at least one pump is disposed in the compartment.
  • water can be supplied to the compartment, for example by pumps or by placing the compartment in a stream.
  • the wave area of the wave basin is provided with an obstacle. More preferably, the wave area of the wave pool is a area that is designed so that a wave can form there. More preferably, the wave area is intended to be an area between the obstacle and the suction area.
  • the suction area of the wave basin is provided to be the area which is located in close proximity to the wave area, especially behind the wave area in the direction of flow.
  • the suction zone is the zone into which water is introduced into the water return channel. More preferably, it is expected that, when the device is in operation, the direction of flow will change in the suction zone. More preferably, it is provided in one embodiment that the flow is diverted downwardly into the suction zone. In another preferred embodiment, the water in the suction zone is introduced into the water return channel.
  • the suction area is preferably designed so that water is sucked down.
  • An advantage of the proposed device is that the water is circulated with a very low energy expenditure, at the same time forming a standing wave in the wave zone.
  • the suction zone is at least approximately as long as the wave zone in the direction of flow. In another embodiment, it is intended that the suction zone and / or the wave zone have a length of about three to about six meters, preferably about four to about five meters.
  • a large suction area offers the advantage that water can be returned to the compartment with little loss of energy, momentum of water flow or inertia of water, more preferably l kinetic energy, being usable even after the change of direction of the water flow.
  • the suction zone is at least approximately as wide as the wave zone perpendicular to the direction of flow and perpendicular to the vertical axis of the device.
  • the suction zone in another embodiment, provision is made for the suction zone to have at least one retainer.
  • the retainer is preferably in the form of a set of bars, a grid, a mesh, a perforated sheet and / or an expanded metal.
  • the retainer has a plurality of orifices or interstices through which water can preferably be conducted with low energy loss.
  • the retainer is designed so that a user of the device cannot pass through its orifices or interstices.
  • the restraint device is preferably designed as a grid or mesh and may in particular have a mesh size to restrain a person, more preferably a child, safely and without risk of injury, so that the person or child -this cannot be sucked into the return water channel.
  • the orifices or interstices of the retainers are provided to have opening widths of from about 0.5 cm to about 12 cm, preferably from about 2 cm to about 10 cm, and more preferably from about 0.5 cm to about 12 cm. about 3 cm.
  • one or more retainers are designed redundantly.
  • the suction zone comprises at least two retaining devices which are arranged in particular one behind the other or one below the other in the direction of flow.
  • the retainers can be designed in the same or different way, in particular have different mesh dimensions.
  • the retainer in another embodiment, provision is made for the retainer to be disposed at an angle of inclination opening upward in the direction of flow with respect to a horizontal plane consisting for example of a bottom of the area. of waves.
  • the retainer is arranged so that it is easy to remove.
  • the retainer in one embodiment has an angle of about 10 ° to about 30 °, preferably about 20 °, to a horizontal plane. Such an angle facilitates the exit of the device over the wall on the downstream side.
  • an exit aid device is placed on the wall on the downstream side.
  • the angle of inclination relative to a horizontal plane opens upwards during the intended use of the device.
  • the angle of inclination is oriented upward in the direction of flow, so in particular that the retainer is higher on the side facing the wall located on the downstream side than on the side facing the area of flow. waves.
  • the compartment is provided with a pumping chamber, an intermediate chamber and an evacuation device.
  • the compartment is provided with a pumping chamber, an intermediate chamber and an evacuation device.
  • the pumping chamber, the intermediate chamber and / or the discharge device are not clearly separated, but rather are zones of the compartment.
  • the compartment in particular the pumping chamber, has at least one pump.
  • at least one pump for sucking water in particular from the return channel is placed in the pumping chamber.
  • the at least one pump is preferably disposed in the compartment.
  • the pump is disposed in the water return channel.
  • the pump is preferably a circulation pump.
  • the pump is a positive displacement pump, for example an Archimedean screw.
  • the device has from about 2 to about 10 pumps, preferably from about 2 to about 6 pumps, and more preferably 4 or 5 pumps.
  • the number of pumps and / or the power of the at least one pump are defined so that an ideal flow rate can be achieved.
  • an ideal pressure can be generated in the compartment by means of at least one pump.
  • the compartment is divided so that water from the pumping chamber flows through the intermediate chamber into the discharge device.
  • the evacuation device is provided to have an evacuation chamber having a height which iteratively and / or gradually decreases in the direction of evacuation.
  • the discharge chamber acts as a nozzle.
  • the discharge device is configured as described above, for example with respect to the flow straightener.
  • the compartment is provided to be an open channel.
  • a relative rise in the water level can be produced in the open channel of the compartment, in particular by using the pumps or by supplying water for example from a stream.
  • the relative rise in the water level in the compartment, in particular in the open channel of the compartment is preferably obtained with the pumps.
  • the pumps transport enough water for the water level to rise in the compartment above a discharge opening.
  • water is added to or instead of the compartment, for example by placing the device in a stream.
  • the compartment is sufficiently supplied with water so that a substantially constant water level over a period of time is obtained in the open channel of the compartment.
  • the volume of water supplied is substantially equivalent to a volume of water flowing in particular through the discharge device. More preferably, the pressure of the pumps and / or the opening height of the discharge device are controllable or adjustable.
  • the compartment is provided to be a pressure line. Unlike the open pipe, the compartment designed as a pressure pipe is closed at the top, a pressure being able to be generated in the compartment in particular by means of the pumps.
  • an ideal water pressure can be generated in the compartment. More preferably, provision is made for an ideal water pressure to be presented in the discharge device, in particular in the discharge opening of the discharge device.
  • the water pressure in the discharge device or in the discharge opening can be produced both by a relative rise in the water level in the open channel above the height of the discharge device and by the generation of pressure in the compartment designed as a pressure pipe.
  • the relative rise in water level is produced by pumps or by the supply of water, for example, from a stream.
  • the intermediate chamber of a water pipe comprises a section between a pump space and a discharge device, by means of which a direction of the vector of the flow in the compartment can be changed.
  • the water line is provided to be disposed in a compartment designed as a pressure line.
  • the term “water pipe” should preferably be understood to mean a geometry of the compartment or of a part of the compartment, in particular of the intermediate chamber, thanks to which the water supplied to the compartment is conducted to the evacuation device.
  • the water pipe preferably comprises a ceiling of the intermediate chamber.
  • the water pipe has at least a first section which in particular conducts the water so that the flow direction is changed.
  • the water pipe is provided to have at least a first section with at least two subsections, a change in direction of the water flow from about 5 ° to about 45 °. , preferably from about 10 ° to about 45 ° and more preferably from about 30 ° to about 45 ° obtainable by means of the subsections.
  • the first section can be designed so that it is divided into at least two subsections which preferably form an angle between them. More preferably, the section is divided into subsections which are preferably distinguished by an angle between the normals of their surfaces.
  • a subsection has a rectilinear section, which section may have a round, rectangular or other shape in cross section with respect to the direction of flow.
  • the discharge device in another embodiment, provision is made for the discharge device to have a width perpendicular to the direction of flow which substantially corresponds to the width of the compartment, of the wave basin and / or of a ramp disposed between the device. evacuation and wave basin.
  • the discharge device in another embodiment, provision is made for the discharge device to have a discharge opening with a variable opening height.
  • the opening height is preferably adjustable between 0 cm and 100 cm and more preferably between 20 cm and 80 cm.
  • a wall which deflects the water in this way enables the device to operate efficiently by providing as little energy as possible to accelerate the water because the inertia of the water or its kinetic energy is used optimally.
  • At least one pump is provided.
  • the at least one pump is provided in the compartment.
  • the compartment is at least largely open upwards.
  • the compartment has a grid, a perforated sheet or a mesh that allows it to communicate with the ambient pressure of the device.
  • the compartment designed as an open channel is provided to act as a diffuser.
  • a water column is formed in the open channel of the compartment above the discharge device.
  • the water column above the discharge device in the open channel preferably determines the pressure in the discharge device.
  • the water column is preferably maintained by a continuous influx of water into the compartment, preferably substantially constant at a certain height.
  • the height of the water column can be modified by modifying the water inflow or the opening height of the discharge device.
  • the pumps are controlled or regulated so that the water column above the discharge device in the open channel remains substantially constant.
  • the at least one pump is regulated so that the water column above the discharge device in the open channel remains substantially constant even in the event of a change in the height. opening of the discharge opening.
  • the pump is controlled or regulated so that the pressure in the compartment designed as a pressurized line or in the discharge device, especially preferably in the discharge opening of the latter remains substantially constant. More preferably, the pump is controlled or regulated so that the pressure in the discharge device or in the discharge opening remains substantially constant even if the opening height of the discharge opening is changed.
  • a regulation quantity in particular for regulating the at least one pump and / or for the opening height, is chosen from a set comprising at least the wave height, the water pressure in the device. discharge, the water column in the compartment and / or the water flow, that is to say the quantity or volume of water per unit of time in the discharge device.
  • a reference quantity in particular for regulating the at least one pump and / or for the opening height, is selected from a set comprising at least the flow of water in the compartment, the pressure of the pumps, the number of pumps used, the power consumed by the pumps used and / or the opening height of the discharge device.
  • the pumps are controlled by means of an adjustment device.
  • provision is made for the opening height of the discharge opening, in particular the position of the blade, to be controlled by means of an adjustment device.
  • a wave characteristic preferably a wave height, more preferably a water depth at a location in the wave zone or the wave basin, is regulated through an opening height of the discharge opening and / or a quantity of water introduced into the compartment.
  • the amount of water introduced is regulated by controlling the pump.
  • the water pipe has at least a first section with at least two subsections which cause a change in direction of the water flow from about 5 ° to about 45 °, preferably from about 10 ° to about 45 ° and more preferably from about 30 ° to about 45 °.
  • the water pipe has at least a second curved section with which the change of direction of the water flow takes place in a curve.
  • the direction of flow in the second curved section is gradually changed over the extent of the section in the direction of flow in the water pipe.
  • the water in the suction area is sucked down and more preferably conducted through the return channel. of water.
  • the water in the suction zone is conducted by at least one retainer, and preferably by exactly two retainers.
  • the object of the invention is in particular to obtain improved wave formation.
  • a device for producing a standing wave comprising a wave basin with a ramp, an obstacle and a wave area.
  • the ramp has a substantially planar water flow surface in longitudinal section.
  • the obstacle has a substantially curved water flow surface in longitudinal section. The ramp and the obstacle are adjacent. At the interface, the water pipe surfaces of the ramp and of the obstacle have substantially the same slope in longitudinal section.
  • An advantage of the proposed device is that the kinetic energy of the water is optimally used to produce a wave.
  • the water reaches the ramp by the force of gravity, and preferably by additional kinetic energy.
  • the water to produce a wave is advantageously catapulted upward by a tangent curve which is formed by the water flow surface of the ramp and the water flow surface of the obstacle. .
  • the obstacle is provided in the form of a springboard.
  • the water flow surface of the obstacle has a partial surface descending in the direction of flow and a partial surface rising in the direction of flow.
  • an inflection point is located between the descending partial surface and the ascending partial surface in a longitudinal section of the water flow surface.
  • the interface is where the ramp and the obstacle are adjacent to each other.
  • the interface is defined by the passage of a rectilinear surface in longitudinal section interior of the ramp to a curved surface in longitudinal section of the obstacle.
  • the passage is preferably without stall.
  • the water flow surface is at least the surface of the ramp or the obstacle over which the water flows during the intended operation of the device.
  • the ramp is provided to slope in the direction of flow.
  • the ramp, and preferably the water flow surface of the ramp is inclined in longitudinal section from about 5 ° to about 20 °, preferably about 10 °. ° to about 20 °, more preferably about 15 ° to about 20 °, and even more preferably about 18 °.
  • the slope is downward in the direction of flow.
  • the ramp is provided to be about 3m to about 5m long, preferably about 3m to about 4m, and most preferably about 3.2m.
  • the water flow surface of the obstacle is provided to have a stall edge.
  • the stall edge is preferably a step or a downward shift.
  • the dropout ridge includes a flush down wall.
  • the dropout ridge includes a downward wall offset from the direction of flow.
  • the downward wall of the stall edge is offset from the direction of flow from about 10 cm to about 50 cm.
  • the stall edge is substantially cantilevered.
  • the substantially cantilevered stall edge is supported by at least one support. More preferably, the obstacle ends in the direction of flow at the stall edge.
  • the stall ridge serves to create a wave behind the obstacle.
  • the stall edge is expected to have a stall edge height above the bottom of the wave zone of about 20 cm to about 60 cm.
  • the deflector is provided to have an angle of attack from the horizontal of 0 ° to 45 ° upward in the direction of flow.
  • the angle of attack is provided to be adjustable. The angle of attack of the deflector can in particular be adjusted by means of a stepping motor or adjusting screws.
  • the baffle has a length of about 5cm to about 40cm, preferably about 20cm to about 40cm, and more preferably about 20cm to about 30cm.
  • the height of the obstacle above the lowest point of the water flow surface of the obstacle is from about 20 cm to about 50 cm and from preferably from about 30 cm to about 40 cm.
  • the height of the obstacle includes the deflector and is preferably variable.
  • the height of the obstacle, with optionally the deflector is the height of the obstacle above a point of inflection of the water flow surface of the obstacle.
  • the height of the stall ridge is the height above ground immediately following in the direction of flow, i.e. from the bottom of the wave area. .
  • the height of the stall edge is preferably the height of the obstacle without a deflector.
  • a width extent is an extent of the discharge opening of the discharge device, ramp, wave basin and / or blade perpendicular to the discharge direction of the discharge device and perpendicular to the opening height. More preferably, an extent in width of the device is an extent perpendicular to the direction of flow and perpendicular to the axis of gravity. In particular, the extent in width of the discharge opening, of the ramp, of the wave basin and / or of the blade is in the direction of the width of the device.
  • direction of flow is meant the direction in which the water flows essentially after the evacuation of the evacuation device.
  • the direction of flow is the direction in which water flows essentially between a pump and a suction area of the wave basin.
  • the discharge direction is the direction of the flow vector which is predefined by the discharge device.
  • the discharge direction is the direction of the flow in the discharge device.
  • the direction of discharge is the direction of flow immediately behind the discharge device.
  • it is intended that the discharge direction is the direction of flow in the discharge device and immediately behind the discharge device.
  • the term “change in direction of flow” should be understood to mean a change in the direction of the velocity vector.
  • standing wave should be understood to mean a wave which is formed in particular by means of an obstacle in the water flowing in the device in operation.
  • the crest of the standing wave remains substantially in the same place under constant marginal conditions, such as for example a defined flow velocity and a defined obstacle height.
  • a standing wave within the meaning of the invention is not a lapping.
  • surf for example with a surfboard, a bodyboard or a kayak.
  • control or "control” is meant a process in which a variable quantity, the manipulated quantity, is continuously recorded, compared with another variable quantity, the reference quantity, and modified in the sense of an adaptation to it. the reference quantity.
  • a longitudinal section is a sectional view which traverses the device along the direction of flow.
  • a cross section is a sectional view which traverses the device perpendicular to the direction of flow.
  • an open channel is a flow means with a free water level.
  • the compartment comprises at least one section which is designed as an open channel, that is to say open upwards.
  • a diffuser is an element or a section which slows down the flow of water and in particular increases the pressure of the liquid.
  • the kinetic energy is converted into pressure energy by means of the diffuser.
  • the diffuser is preferably designed so that the flow is retarded especially in the compartment.
  • the diffuser has a constant or non-constant extension of the flow section.
  • water calming it is meant that the turbulence of the water is reduced to produce a laminar flow.
  • the characteristic quantity L is the depth of water on a ramp or on a surface immediately after exiting the discharge device.
  • a surface is said to be "flat" when it is preferably located between two imaginary planes parallel to each other, separated by a distance of approximately 0.15 mm to approximately 10 mm, preferably approximately 0. , 15mm to about 5mm, and more preferably about 0.15mm to about 1mm.
  • connection and in particular by “communicating connection”, is meant a connection of the sections of the device between which a fluid, in particular water, can flow.
  • the sections are linked directly to each other.
  • the communicating link may have at least two sections open at the top, at least one section open at the top and at least one section closed at the top and / or at least two sections closed at the top.
  • the devices for producing a standing wave described above can be combined with the discharge device to produce laminar flow described above, the discharge chamber described above, the flow straightener described above. above, the blade described above, the wave basin described above, the water return channel described above, the compartment described above, the ramp described above and / or the obstacle described above.
  • the discharge device for producing laminar flow described above may be combined with the discharge chamber described above, the flow straightener described above, the blade described above, the basin. waveform described above, the return water channel described above, the compartment described above, the ramp described above, the obstacle described above and / or the devices for producing a standing wave described above.
  • the discharge chamber described above may be combined with the discharge device to produce laminar flow described above, the flow straightener described above, the blade described above, the basin. waveform described above, the return water channel described above, the compartment described above, the ramp described above, the obstacle described above and / or the devices for producing a standing wave described above.
  • the flow straightener described above may be combined with the discharge chamber described above, the discharge device to produce laminar flow described above, the blade described above, the basin waveform described above, the return water channel described above, the compartment described above, the ramp described above, the obstacle described above and / or the devices for producing a standing wave described above.
  • the blade described above may be combined with the flow straightener described above, the discharge chamber described above, the discharge device for producing laminar flow described above, the basin waveform described above, the return water channel described above, the compartment described above, the ramp described above, the obstacle described above and / or the devices for producing a standing wave described above.
  • the wave basin described above can be combined with the blade described above, the flow straightener described above, the discharge chamber described above, the discharge device to produce a laminar flow described above, the return water channel described above, the compartment described above, the ramp described above, the obstacle described above and / or the devices for producing a standing wave described above.
  • the water return channel described above can be combined with the wave basin described above, the blade described above, the flow straightener described above, the discharge chamber described above. above, the discharge device for producing a laminar flow described above, the compartment described above, the ramp described above, the obstacle described above and / or the devices for producing a standing wave described above.
  • the compartment described above can be combined with the water return channel described above, the wave basin described above, the blade described above, the flow straightener described above , the discharge chamber described above, the discharge device for producing a laminar flow described above, the ramp described above, the obstacle described above and / or the devices for producing a standing wave described above.
  • the ramp described above can be combined with the compartment described above, the water return channel described above, the wave basin described above, the blade described above, the rectifier. flow chamber described above, the discharge chamber described above, the discharge device for producing a laminar flow described above, the obstacle described above and / or the devices for producing a standing wave described above.
  • the obstacle described above can be combined with the ramp described above, the compartment described above, the water return channel described above, the wave basin described above, the blade described above, the flow straightener described above, the discharge chamber described above, the discharge device for producing laminar flow described above and / or the devices for producing a standing wave described above.
  • the exemplary device comprises a wave basin in which a ramp and an obstacle are provided.
  • the wave basin further includes a wave area and a suction area.
  • the suction area is covered by a retainer.
  • the example device has a compartment in which a water pressure is established and from which the water which is conducted on the ramp comes out.
  • the wave basin has a delimiting wall on the downstream side.
  • the wave basin has two lateral boundary walls.
  • the ramp and the obstacle are adjacent to each other and present an interface which extends over the entire width of the basin.
  • the compartment is designed as a pressure line.
  • the compartment is closed at the top by means of a ceiling.
  • In the compartment there is at least one pump which sucks water from the return water channel. Water pressure is created in the compartment.
  • the compartment is divided into a pumping chamber in which there is a pump and an intermediate chamber behind which causes a change of flow direction and leads the water into the discharge device.
  • the water flows over the ramp and the obstacle, into the wave basin or into the wave area where it gives rise to a standing wave. Then the water flows into the suction zone where it undergoes a change of direction, first downwards and then against the direction of flow in the return water channel. This gives rise to water circulation.
  • the compartment is designed as an open channel.
  • the pump in the pumping chamber transports water from the return water channel and creates in the open channel of the compartment a water column that corresponds to the height of the water surface in the open channel above of the opening evacuation device.
  • the intermediate chamber corresponds to the open channel in which the water is soothed.
  • the water in the intermediate chamber flows by gravity into the discharge device, and from there, over the ramp and over the obstacle. Behind the obstacle, the wave is created in the wave area.
  • a flow direction will be assumed which goes essentially from the discharge device to the suction zone of the wave basin.
  • exactly four pumps are placed in the compartment.
  • the discharge device is a flow straightener which reduces turbulence in the water flow and in particular produces a laminar flow.
  • Behind the evacuation device is the ramp, followed immediately by the obstacle.
  • the ramp is sloping in the direction of flow and the obstacle is curved.
  • the ramp and in particular the obstacle are placed in the wave basin, the wave zone connecting behind the obstacle, followed by the suction zone.
  • the upward flow direction retainer is placed in the suction area.
  • Under the compartment and the wave basin is the water return channel through which the water returns from the suction area to the compartment.
  • the wave basin is closed downstream by a delimiting wall.
  • the evacuation device has an evacuation chamber.
  • the discharge chamber has an interior height which decreases in the direction of flow. This decrease in the direction of flow produces a nozzle effect and hence an acceleration of the water flowing through the discharge device.
  • an evacuation opening is associated a blade which is movable along a vertical axis of the exemplary device.
  • the opening height of the discharge opening is determined by the blade.
  • the opening height is the distance between a lower limit of the discharge opening and a cutting edge of the blade.
  • An evacuation space wall which forms the bottom of the evacuation chamber is without detachment, and in particular level with a ramp placed behind the evacuation device.
  • a flow straightener is located in the discharge chamber.
  • the flow straightener has substantially horizontal guide plates and substantially vertical guide plates.
  • the vertical guide plates extend the height of the discharge chamber.
  • the vertical guide plates are arranged parallel to the wall of the discharge chamber.
  • the vertical guide plate has a distance from the wall of the discharge chamber forming the bottom of about 20 cm. At least two vertical guide plates have a distance of about 20 cm between them.
  • the horizontal guide plates are arranged substantially parallel to each other.
  • the vertical guide plates are arranged substantially parallel to each other.
  • At least two horizontal guide plates are arranged one behind the other and have a distance of about 25 cm between them.
  • the suction zone is adjacent to the wave zone and is particularly characterized in that it has a greater pool depth than the wave zone.
  • the suction zone is in communication with the water return channel which, in a preferred embodiment, has a plurality of partial channels arranged in parallel.
  • the suction area features the retainer which is designed as a perforated plate.
  • the retainer extends from one end of the wave zone to a boundary wall on the downstream side of the exemplary device.
  • the retainer forms an angle with the horizontal, in particular so that it is possible to exit the wave basin in the direction of flow over the retainer.
  • the middle chamber has a ceiling which is designed as a water pipe.
  • the water pipe has two sections which form an angle between them and which lead the water into the discharge device with the least possible loss of pressure and speed.
  • the drainage device features the flow straightener which soothes the water and in particular creates a laminar flow.
  • the water is directed among other things by the flow rectifier in the discharge direction and conducted on the ramp through the opening evacuation.
  • the blade is disposed behind the discharge opening of the discharge device in the direction of flow.
  • the discharge opening has a width which substantially corresponds to the width of the blade and to the width of the ramp.
  • the return water channel has three parallel partial channels. Provision is made in particular for the walls of the water return channel to support the ramp.
  • the blade has a blade height which is greater than the opening height of the discharge opening, in particular to completely cover the latter.
  • the blade height is 70 cm.
  • the cutting edge has a bevel on the downstream side.
  • the angle of the cutting edge to the height of the blade is approximately 45 °.
  • the cutting edge, especially the bevel is designed so that the angle to the direction of flow is approximately 45 °.
  • the ramp is directly adjacent to the discharge opening of the discharge device.
  • the evacuation wall forming the bottom penetrates level into the ramp.
  • the ramp includes a first water flow surface.
  • the obstacle includes a second water flow surface.
  • the ramp and the obstacle are adjacent to each other at the interface.
  • the slope of the first water flow surface of the ramp is substantially identical to the slope of the second water flow surface of the obstacle.
  • the obstacle is designed in the form of a springboard and in particular has a curvature which descends to an inflection point which constitutes its lowest point and rises after the inflection point.
  • the obstacle has a stall edge which in particular has a stall edge height from the bottom of the wave zone of about 25 cm.
  • the obstacle has a deflector which is associated with the stall edge.
  • the deflector can be provided, but is not essential. It can be set at a variable angle to a plane horizontal.
  • the deflector also has a length which is in particular about 20 cm.
  • the angle is preferably adjustable in the direction of flow above the horizontal plane.
  • the height of the obstacle with the deflector which in particular has a positive angle, that is to say an angle above the horizontal plane, is approximately 30 cm.
  • Another exemplary embodiment includes a device described above for producing a standing wave with at least one discharge device described above for producing laminar flow.
  • the discharge device for producing laminar flow comprises a discharge chamber described above, the discharge device comprising in the discharge chamber a flow straightener described above with a plurality of guide plates described above. above.
  • the discharge device described above has a blade described above with a cutting edge described above.
  • the blade is disposed in an evacuation opening described above of the evacuation device, the height of the opening described above of the evacuation device and in particular of the evacuation opening being defined by a distance from the bottom described above of the discharge device relative to the cutting edge.
  • the exemplary device comprises a wave basin described above, a water return channel described above and a compartment described above.
  • the wave basin comprises a wave zone described above and a suction zone described above, the suction zone being arranged behind the wave zone in the direction of flow and in particular communicating with the channel.
  • the water return channel is in particular connected in a communicating manner to the compartment, the compartment having an evacuation device which has an evacuation opening through which the water can be conducted into the wave basin.
  • the exemplary device comprises a ramp described above and an obstacle described above.
  • the ramp has a water flow surface described above, substantially planar in longitudinal section.
  • the obstacle has a water flow surface described above, substantially curved in longitudinal section.
  • the ramp and the obstacle are adjacent to each other. At the interface described above, the water flow surfaces of the ramp and of the obstacle have substantially the same slope in a longitudinal section.
  • the Fig. 1 shows a device 10 for producing a standing wave comprising a wave basin 16 in which are arranged a ramp 78 and an obstacle 100.
  • the wave basin 16 further comprises a wave area 22 and a suction area 24.
  • the area suction 24 is covered by a retainer 28 which serves in particular to prevent the suction of objects and / or people in a water return channel not visible here.
  • a retainer 28 which serves in particular to prevent the suction of objects and / or people in a water return channel not visible here.
  • a compartment 20 in which a water pressure is generated and from which leaves the water which is conducted on the ramp 78.
  • the wave basin 16 has a delimiting wall 26.1 downstream (see Fig. 3 ) which, in this view, is covered by the retainer.
  • the wave basin 16 has two side delimiting walls 26.2 and 26.3 which define a width of the wave basin 16.
  • the ramp 78 and the obstacle 100 are adjacent to each other at an interface 102 which extends over the entire width of the basin.
  • the Fig. 2A is a schematic longitudinal sectional view of the device 10 on which the compartment 20 is designed as a pressure pipe.
  • the compartment is closed at the top by a ceiling 37.
  • In the compartment 20 is arranged at least one pump 34 which sucks water from the water return channel 18. A water pressure is generated in the compartment 20.
  • Compartment 20 is divided into a pumping chamber in which the pump 34 is installed and an intermediate chamber 39 located behind which causes a change in the direction of the flow and leads the water into the discharge device 36.
  • the water flows through the ramp 78 and the obstacle 100 into the wave basin 16 or into the wave zone 22, where it gives rise to a standing wave 12.
  • the water flows into the suction zone 24, where it undergoes a change of direction first downwards, then against the direction of flow 30 - which is illustrated on Fig. 3 - in the water return channel 18. This gives rise to a circulation of water which is represented by arrows 14.1, 14.2 and 14.3.
  • the Fig. 2B shows a longitudinal section through device 10 with another embodiment of the compartment, the compartment 20 being designed as a channel open at the top.
  • the pump 34 in the pumping chamber 38 transports water from the return water channel 18 and creates in the open channel of the compartment 20 a water column 48 which corresponds to the height of the surface of the water in the open channel above the discharge opening 60 of the discharge device 36.
  • the intermediate chamber 39 corresponds to the open channel in which the water is soothed.
  • the water in the intermediate chamber 39 flows by gravity into the discharge device 36, and through the discharge device 36, on the ramp 78 and on the obstacle 100. Behind the obstacle 100, the wave 12 is created in wave zone 22.
  • the Fig. 3 shows a longitudinal section through the device 10.
  • a flow direction 30 will be assumed which goes essentially from the discharge device 36 to the suction zone 24 of the wave basin.
  • a plurality of pumps 34 in this case exactly 4 pumps, are installed in the compartment.
  • a flow straightener 84 which reduces the turbulence of the water flow and in particular produces a laminar flow.
  • Behind the evacuation device 36 is the ramp 78, immediately followed by the obstacle 100.
  • the ramp 78 slopes in the direction of flow 30 and the obstacle 100 is curved.
  • the ramp 78 and in particular the obstacle 100 are placed in the wave basin 16, the wave zone 22 connecting behind the obstacle 100, followed by the suction zone 24. It should be noted that the retaining device 28 ascending in the direction of flow 30 is placed in the suction zone 24. Under the compartment 20 and the wave basin 16 is the water return channel 18 through which the water returns from the suction zone 24 to compartment 36.
  • the wave basin 16 is closed downstream by a boundary wall 26.1.
  • the Fig. 4 shows a detailed longitudinal sectional view of the discharge device 36.
  • the discharge device 36 has a discharge chamber 80.
  • the discharge chamber 80 has an interior height 82 which decreases in the direction of flow. This decrease in the direction of flow produces a nozzle effect and therefore an acceleration of the water flowing through the discharge device 36.
  • a discharge opening 60 is associated a blade 50 which is. movable along a vertical axis 58 of the device.
  • the opening height 62 of the discharge opening 60 is determined by the blade 50.
  • the opening height 62 is the distance between a lower limit of the discharge opening 64 and a cutting edge 54 of the. blade 50.
  • an evacuation space wall 94 which forms the bottom of the evacuation chamber 80 is connected without detachment to a ramp 70 placed behind the evacuation device 36.
  • the blade 50 has a side facing downstream 70.
  • the Fig. 4 shows in detail the flow straightener 84 installed in the discharge chamber 80.
  • the flow straightener 84 has substantially horizontal guide plates 86 and substantially vertical guide plates 88.
  • the vertical guide plates 88 extend on a discharge height 82.
  • the vertical guide plates 86 are arranged parallel to the discharge space wall 94.
  • the vertical guide plate 86.1 has a distance 92 from the discharge space wall 94 forming the bottom of about 20 cm.
  • the vertical guide plates 88.1 and 88.2 have between them a distance 90 of approximately 20 cm.
  • the horizontal guide plates 86 are arranged substantially parallel to each other.
  • the vertical guide plates 88 are arranged substantially parallel to each other.
  • the horizontal guide plates 86.2 and 86.3 are arranged one behind the other and have a distance 93 of about 25 cm between them.
  • the Fig. 5 shows in detail a sectional view of the wave basin 16 with the suction zone 24.
  • the suction zone 24 is adjacent to the wave zone 22 and is notably characterized in that it has a greater basin depth that the area of waves 22.
  • the suction zone is in communication with the return water channel 18 which, in the illustrated embodiment, has a plurality of partial channels arranged in parallel.
  • the suction area 24 features the retainer 28 which is designed as a perforated plate.
  • the retaining device 28 extends from one end of the wave zone 22 to a delimiting wall on the downstream side 26.1 of the device 10.
  • the retaining device 28 forms an angle 32 with the horizontal 33, in particular of so that it is possible to exit the wave basin 16 in the direction of flow over the retainer 28.
  • the Fig. 6 shows a detailed view in longitudinal section of the compartment 20. It will be noted that four pumps 34 are arranged in the pumping zone 38. It can also be seen on the figure. Fig. 6 that the intermediate chamber 39 has a ceiling 37 which is designed as a water pipe 40.
  • the water pipe 40 has two sections 44 and 46 which form an angle between them and which conduct the water into the discharge device 36 with the least loss of pressure and speed possible.
  • the discharge device 36 has the flow rectifier 84 which soothes the water and in particular creates a laminar flow.
  • the water is directed inter alia by the flow straightener 84 in the discharge direction 74 and conducted on the ramp 78 through the discharge opening 60.
  • the blade 50 is disposed behind the discharge opening 60. of the discharge device 36 in the direction of flow.
  • the Fig. 7 shows a cross-sectional view of the device 10 with a view of the compartment 20. Note the ramp 78.
  • the discharge opening 60 has a width 66 which substantially corresponds to the width of the blade 50 and to the width of the ramp 78.
  • the water return channel 18 comprises three parallel partial channels. Provision is made in particular for the walls 19 of the water return channel 18 to support the ramp 78.
  • the Fig. 8 shows in isolation the blade 50 in longitudinal section through the device 10, the blade 50 having a side facing downstream 70 and a side facing upstream 71.
  • the blade 50 also has a blade height 56 which is greater at opening height 62 (see Fig. 4 ) of the discharge opening 60, in particular to completely cover the latter.
  • the blade height is 70 cm.
  • the cutting edge 54 has a bevel 68 on the downstream side 70.
  • the angle 73 of the cutting edge 54 relative to the blade height 56 is about 45 °.
  • the cutting edge 54, especially the bevel 68 is designed so that the angle 72 with respect to the flow direction 74 is about 45 °.
  • the Fig. 9 shows in detail another longitudinal section of the device 10 with the ramp 78 and the obstacle 100. Both the ramp 78 and the obstacle 100 are arranged in the wave basin 16.
  • the ramp 78 is directly adjacent to the opening d 'discharge 60 from the discharge device 36.
  • the discharge wall forming the bottom 94 extends the ramp 78.
  • the ramp 78 comprises a first water flow surface 104.
  • the obstacle 100 comprises a second surface flow 106.
  • the ramp 78 and the obstacle 100 are adjacent to each other at the level of the interface 102. It can be seen from the Fig. 9 that at the interface 102, the slope of the first water flow surface 104 of the ramp 78 is substantially identical to the slope of the second water flow surface 106 of the obstacle 100.
  • the obstacle 100 is designed in the form of a springboard and in particular has a curvature which descends to an inflection point 107 which constitutes its lowest point and rises after the inflection point 107.
  • the obstacle 100 has a stall edge 108 which notably has a stall edge height 114 from the bottom of the wave zone 22 of about 25 cm.
  • the obstacle has a deflector 110 which is associated with the stall edge 108.
  • the deflector 110 can be provided, but is not essential. It can be set according to a variable angle 116 with respect to a horizontal plane 117.
  • the deflector 110 also has a length 118 which is in particular about 20 cm.
  • the angle 116 is preferably adjustable in the direction of flow above the horizontal plane 117.
  • the height 112 of the obstacle 100 with the deflector 110, which notably has a positive angle 116, that is to say an angle 116 above the horizontal plane 117 is about 30 cm.
  • the Fig. 10 shows a schematic view of another compartment 20.
  • the compartment has a ceiling 37 forming a water pipe 40 which has a curved section 46.
  • the change in direction over an extent of the curved section 46 is therefore gradual.
  • the water is conducted with a gradual change of direction of flow between a pumping chamber 38 and a discharge device 36. It can further be seen schematically in the figure.
  • Fig. 10 a flow straightener 84, the blade 50 and, suggested, the ramp 78.

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Claims (12)

  1. Vorrichtung (10) zur Erzeugung eine stehenden Welle (12) umfassend zumindest eine Rampe (78) und eine Auslassvorrichtung (36) zur Erzeugung einer laminaren Strömung zur Erzeugung der stehenden Welle, wobei die Auslassvorrichtung (36) eine Klinge (50) mit einer Schneidkante (54) umfasst, die die Oberfläche des aus der Auslassvorrichtung (36), die einer Auslassöffnung (60) der Auslassvorrichtung (36) zugeordnet ist, austretenden Wassers glättet, wobei eine Öffnungshöhe (62) der Auslassvorrichtung (36) bestimmt ist durch einen Abstand eines Bodens (64) der Auslassvorrichtung (36) zu der Schneidkante (54), wobei ein Flächenvektor einer Wasserleitfläche (104) der Rampe (78) senkrecht zur Auslassrichtung (74) und senkrecht zu einer Breitenerstreckung (66) der Auslassöffnung (60) angeordnet ist.
  2. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass die Klinge (50) zumindest einen Freiheitsgrad aufweist.
  3. Vorrichtung gemäß einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mittels der Klinge (50) die Öffnungshöhe (62) veränderbar ist.
  4. Vorrichtung gemäß einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Öffnungshöhe (62) zwischen etwa 20 cm und etwa 80 cm beträgt.
  5. Vorrichtung gemäß einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schneidkante (54) einen einseitigen Anschliff (68) aufweist.
  6. Vorrichtung gemäß Anspruch 5, dadurch gekennzeichnet, dass der Anschliff (68) auf der stromabwärts gerichteten Seite (70) der Klinge (50) angeordnet ist.
  7. Vorrichtung gemäß einem oder mehreren der Ansprüche 5 bis 6, dadurch gekennzeichnet, dass der Anschliff (68) einen Anschliffwinkel (73) zu einer Klingenhöhe (56) von etwa 30° bis etwa 60° aufweist.
  8. Vorrichtung (10) gemäß einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Boden (64) der Auslassöffnung (60) eben mit der Wasserleitfläche (104) der Rampe (78) ist.
  9. Verfahren zur Erzeugung einer laminaren Strömung mit einer Vorrichtung (10) gemäß einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass unmittelbar angrenzend hinter einer Auslassöffnung (60) der Auslassvorrichtung (36) ein Klinge (50) angeordnet wird, wobei eine Öffnungshöhe (62) der Auslassvorrichtung (36) zumindest durch einen Abstand des Bodens (64) zu der Schneidkante (54) bestimmt wird und wobei aus der Auslassvorrichtung (36) Wasser ausgelassen wird und die Schneidkante (54) der Klinge (50) die Wasseroberfläche glättet.
  10. Verfahren gemäß Anspruch 9, dadurch gekennzeichnet, dass die Klinge (50) in zumindest einem Freiheitsgrad bewegt wird, um die Öffnungsweits (62) zu verändern.
  11. Verfahren gemäß einem oder mehreren der Ansprüche 9 bis 10, dadurch gekennzeichnet, dass das Wasser auf eine Rampe (78) gleitet wird.
  12. Verfahren gemäß Anspruch 11, dadurch gekennzeichnet, dass das Wasser aus der Auslassvorrichtung (36) mit einer Auslassrichtung (74) ausströmt, die senkrecht zu einer Flächennormalen einer Wasserleitfläche (106) der Rampe (78) ist.
EP17718045.2A 2017-04-12 2017-04-12 Entladevorrichtung zur erzeugung einer stehenden welle Active EP3610099B1 (de)

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PCT/EP2017/058763 WO2018188742A1 (fr) 2017-04-12 2017-04-12 Dispositif d'évacuation pour produire un écoulement laminaire

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EP3610099B1 true EP3610099B1 (de) 2020-10-14

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Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US3473334A (en) * 1968-06-24 1969-10-21 Phillip Dexter Apparatus and method for producing waves
US4539719A (en) * 1984-02-08 1985-09-10 Automated Swimpools, Inc. Pneumatic surf wave production for pools
NL9202110A (nl) * 1992-12-07 1994-07-01 Lotec Bv Waterglijinrichting en werkwijze voor het bedrijven van een waterglijinrichting.
US5766082A (en) * 1993-05-20 1998-06-16 Lochtefeld; Thomas J. Wave river water attraction
FR2906287B1 (fr) 2006-09-26 2012-08-10 Hydrostadium Installation pour la pratique d'activites aquatiques
FR2934788B1 (fr) * 2008-08-08 2013-01-11 Jean Gabriel Esteve Dispositif pour recreer artificiellement la pratique d'un sport nautique de glisse

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* Cited by examiner, † Cited by third party
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EP3610099A1 (de) 2020-02-19
WO2018188742A1 (fr) 2018-10-18

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