EP4093932A1 - Vorrichtung und verfahren zum erzeugen einer künstlichen surfwelle - Google Patents
Vorrichtung und verfahren zum erzeugen einer künstlichen surfwelleInfo
- Publication number
- EP4093932A1 EP4093932A1 EP20825138.9A EP20825138A EP4093932A1 EP 4093932 A1 EP4093932 A1 EP 4093932A1 EP 20825138 A EP20825138 A EP 20825138A EP 4093932 A1 EP4093932 A1 EP 4093932A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- barrier
- wave
- downstream
- water level
- basin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 230000004888 barrier function Effects 0.000 claims abstract description 89
- 238000005086 pumping Methods 0.000 claims abstract description 20
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/0093—Training appliances or apparatus for special sports for surfing, i.e. without a sail; for skate or snow boarding
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2208/00—Characteristics or parameters related to the user or player
- A63B2208/03—Characteristics or parameters related to the user or player the user being in water
Definitions
- the present invention relates to a device for generating an artificial surf wave, with a ramp, the lower end of which opens into a wave pool and the upper end of which water can be supplied from the wave pool via a return channel in the circuit by means of a pumping device, in order to create a surf wave downstream of the ramp to generate usable alternating jump of the water.
- the invention also relates to a method for operating such a device.
- the aim of the invention is to create a device for generating an artificial surfing wave which, with a reduced footprint, enables simple and safe start-up from the idle state and then a reliable surfing wave operation.
- a movable barrier is arranged in the wave pool at a distance from the ramp, which functions of a lowerable weir or a downstream permeable and upstream blocking check valve can take and downstream of which barrier the return channel emanates from the wave basin.
- a different water level can be set upstream of the barrier than downstream of the barrier (“lower water level”).
- lower water level a higher underwater level than the upper water level can be prepared for starting up the device, whereby an additional amount of water is available downstream of the barrier for the pumping device for charging the pump when starting up.
- the movable barrier u.zw. more precisely by opening it as a check valve or lowering it as a weir, the lower water level can be lowered back to or below the upper water level.
- the upper water level of the barrier also represents the lower water level of the alternating jump and thus defines the height and shape of the surf wave through the supporting force emanating from it.
- the use of the downstream wave pool area for safe approach, made possible by the movable barrier reduces the overall space required for the wave pool. pool significantly and thus also enables the device to be operated in confined spaces, for example in urban areas.
- the increased underwater level of the barrier for starting can be achieved, for example, by manually or automatically filling the wave basin downstream of the barrier.
- the wave basin is provided with a controllable drain upstream of the barrier, by means of which the upper water level can be lowered below the lower water level when the pumping device is idle.
- the entire wave pool can first be filled to the level of the increased underwater level, and then the upper water level is lowered via the drain.
- the drained water can also be used to start up the device. This can be achieved by means of various constructive measures.
- the drain is led directly into the wave pool downstream of the barrier via a channel provided with a pump, so that the drained water can be pumped directly into the wave pool area downstream of the barrier.
- the drain opens into a storage basin arranged below the wave basin.
- the water stored therein can then be used as an additional amount of water for starting up the device.
- the storage basin can be guided into the return channel via a controllable outlet.
- the suction effect of the water flowing past the outlet in the return channel when starting up sucks the amount of water stored in the storage basin out of it.
- the storage basin can be guided into the return duct or the wave basin downstream of the barrier via a duct provided with a pump. With the help of the pump, the amount of water stored in the storage basin can either be poured into the device before the device is started up Wave pool area downstream of the barrier or during start-up can be pumped there or into the return channel.
- the walls of the wave basin downstream of the barrier have areas that are extended upwards.
- the underwater level for starting the device can be increased even further; the wave pool is built taller like a tower at its downstream end, which further reduces its footprint.
- the walls of the wave pool upstream of the barrier remain unchanged or low, so that the view of surfers is unimpaired for the public and surfers have an unimpaired view of the surroundings.
- the movable barrier can be formed by any movable water barrier known in the art, for example a separating wall that can be raised and lowered, a controllable weir, lock gates that can be opened and closed, valve flaps, etc.
- the barrier is by egg ne at the bottom of the Wave pool hinged flap is formed, which can be pivoted between a folded position and a folded position.
- Such a flap does not require any installation space below the wave basin and can still be lowered completely, i.e. folded down. In an intermediate position between the raised and folded position, it acts as an overflow weir, the height of which can define the headwater level and thus the height of the surf wave.
- the flap can rest against a partition wall in its folded-up position, which spans the wave pool and extends to the upper edge of the extended wall areas.
- the partition then forms with the upwardly extended areas of the Wel lenbeckenwand a storage tower for the water to start the device when the flap is folded up and rests against the partition.
- the flap acts like a non-return valve, which is applied by the water pressure of the underwater level against the partition and thus in the upstream direction closes. If the underwater level sinks below the upper water level, the flap opens in the downstream direction.
- At least the free end of the flap can be provided with a floating body or the flap can be made entirely or partially from schwimmfä Higem material.
- the flap closes and opens or raises and lowers automatically with the underwater level.
- the weir height of the barrier if it assumes weir function during operation of the pumping device, is preferably adjustable in order to adjust the upper water level of the barrier and thus the surfing wave during operation.
- a separate equalization tank can also be provided, which is connected to the wave basin or the return channel via an equalization line equipped with at least one pump in order to adjust the upper water level of the barrier and thus the surfing wave during operation, preferably automatically in one of the Upper water level essentially constant control loop.
- the wave pool can be provided in the area of the surf wave with additional union, flow-shaping fixtures, for example baffles, thresholds, jumps, etc., to promote the formation of the alternating jump or to shape it, as known in the art.
- the bottom of the wave basin can also be lower in a first section adjoining the ramp than in a second section upstream of the barrier.
- the return channel and / or the storage basin can preferably be provided with one or more vent lines to allow undesired gas and air inputs in the return channel, especially in the area of the pump device, to escape from the system and undesired To prevent negative pressure situations, for example in the storage basin.
- the invention provides a method for operating a device of the type presented here, the wave pool and return channel of which contain water, comprising: when the pumping device is idle, increasing the lower water level of the barrier above the upper water level of the barrier using the weir or Check valve function of the barrier;
- the lower water level of the barrier is less than or equal to the upper water level of the barrier.
- the increase in the underwater level for approaching the device can preferably take place in that water is taken from the wave pool upstream of the barrier and is brought into the wave pool downstream of the barrier.
- the barrier is preferably adjusted during the continued operation of the Pumpein direction in order to set the upper water level of the barrier and thus the surfing wave by means of its weir function.
- Fig. 1 shows the device of the invention in a schematic plan view
- 2a and 2b a first embodiment of the Vorrich device of Fig. 1 in two different operating positions each Weil in longitudinal section;
- FIG. 3 shows a second embodiment of the device from FIG. 1 in a schematic longitudinal section
- FIGS. 4a-4c show a third embodiment of the device of FIG. 1 in three different operating positions, each Weil in longitudinal section
- FIGS. 5a-5c show a fourth embodiment of the device of FIG. 1 in three different operating positions, each in longitudinal section;
- FIG. 6 shows a fifth embodiment of the device from FIG. 1 in a schematic longitudinal section; and FIGS. 7a and 7b show a further variant of the device of the invention with an expansion tank which can also be used in all of the embodiments mentioned.
- 1, 2a and 2b show a first embodiment of a device 1 for generating an artificial surf wave W according to the hydraulic jump principle known in channel hydraulics occurs when water 2 shoots down a ramp 3 serving as a shooting range and changes from the shooting or supercritical state (Froude number > 1) to the flowing or subcritical state (Froude number ⁇ 1) .
- the length and height of the surf wave that forms W can be set in operation of the device 1, for example, by regulating the What serstandes 0 downstream of the W surfing wave.
- the establishment and guidance of the surf wave W takes place in egg nem wave pool 4, into which the lower end 5 of the ramp 3 opens or in which the ramp 3 is arranged.
- the ramp 3 and the wave pool 4 can, for example, be supported by a common frame 6 of the device 1 with respect to the ground.
- a return channel 8 extends from the downstream end 7 of the wave pool 4, via which the water 2 from the wave pool 4 is circulated to the upper end 9 of the ramp 3 with the aid of a pump device arranged in the return channel 8 or at its inlet or outlet 10.
- the return channel 8 can run next to the wave pool 4 from its downstream end 7 to the upper end 9 of the ramp 3 or, as shown here, back below the wave pool 4 and up to the upper end 9 of the ramp 3 in order to minimize the space required by the device 1 .
- the return channel 8 consists of a large number of parallel return lines 11, For example, pipes can be formed, and the pumping device 10 accordingly by a plurality of individual pumps, each of which is arranged in a return line 11.
- the wave pool 4 has a bottom 12, two side walls 13, 14 and an end wall 15 at its downstream end 7; At its upstream end 16, the wave pool 4 is delimited by the ramp 3 and the return channel 8 leading to the upper end 9 of the ramp 3.
- the wave pool 4 can, in particular in the area B downstream of the ramp 3 in which the surfing wave W occurs, be provided with flow-modifying installations such as baffles, thresholds, jumps, shovels, rakes, flaps, cross-sectional constrictions, etc., in order to ensure the formation of the surfing wave W to convey and / or to define their location, their height, their shape, etc.
- flow-modifying installations such as baffles, thresholds, jumps, shovels, rakes, flaps, cross-sectional constrictions, etc.
- a jump-like threshold 17 on the floor 12 and / or a raised bed sill 18 (Fig. 7a) or a stepped raised bed 19 (Fig 7b) can be installed.
- an inclined exit grille or an exit rake 20 can be arranged, which prevents a Surfer who fell on the wave W is washed to the end 7 of the wave pool 4 and in particular to the entrance of the return channel 8.
- the wave pool 4 is divided into a first area A adjoining the ramp 3, which includes area B of the surfing wave W, and a second area C adjoining area A, which extends to the downstream end 7 of the wave pool 4 goes, divisible.
- different water levels can be set up in the wave pool 4 upstream and downstream of the barrier 21, namely an "upper water level” 0 directly upstream of the barrier 21 in area A and an "underwater level” U downstream of the Barrier 21 in area C.
- the upper water level 0 of barrier 21 is synonymous with that water level in the wave pool 4, which provides the backwater for the alternating jump in the surf wave W.
- the barrier 21 has the form and function of a lowerable weir and can be lowered from a first, raised position (FIG. 2a) to a second, lowered position (FIG. 2b) and back again be raised.
- the raised position of the barrier 21 shown in Fig. 2a is used in the idle state of the device 1, when the pumping device 10 is not running, to raise the lower water level U above the upper water level 0 (or, conversely, lower the upper water level 0 below the lower water level U), for example, by adding additional water 2 to area C when the barrier 21 is raised, or water is drained from area A.
- the wave pool 4 can optionally be equipped upstream of the barrier 21 with a controllable drain 22 (Fig. 3), e.g. a controllable outlet valve, in order to lower the upper water level 0.
- the water 2 discharged from the outlet 22 can optionally be pumped directly into the area C of the wave pool 4 downstream of the barrier 21 via a channel 24 fitted with a pump 23, in order to lower the underwater level U there without the need for additional water.
- the additional water volume caused by the increased underwater level U in area C is used when the device 1 is started up or started up, ie when the pump device 10 is put into operation, to apply increased pre-pressure to the pump device 10 in order to prevent unintentional dry running and undesirable cavitation phenomena to prevent the pumping device 10 in the commissioning phase.
- the additional water volume in area C with the increased underwater level U provides that water volume that continued operation (Fig. 2b, 4b, 4c, 5c, 7a, 7b) of the device 1 rises in the return channel 8 and flows down the ramp 3.
- the Unterwas serstand U drops rapidly.
- the barrier 21 is gradually lowered or opened so that the water 2 can flow over or through it during operation of the device and its discharge from the wave pool 4 via the return channel 8 not affected.
- the barrier 21 can be completely lowered when the device 1 is in operation, so that its upper water level 0 and its lower water level U are the same. Your upper water level 0, which defines the height of the surf wave W, is then simply defined by the amount of water 2 in the wave pool 4. Alternatively, the barrier 21 cannot be completely lowered when the device 1 is in operation, i.e. it can be in an intermediate position in which it accumulates the water 2 in the manner of a weir, so that its upper water level 0 is greater than its lower water level U. By regulating the weir height H of the barrier 21, the upper water level 0 and thus the height of the surfing wave W can be regulated during operation.
- the wave pool 4 can have wall areas 25 extending upwards downstream of the barrier 21. That is, the side walls 13, 14 and the end wall 15 of the wave region 4 protrude higher up in the region C than the side walls 13, 14 in the region A of the wave basin 4.
- FIG. 4a-4c shows an alternative embodiment of the barrier 21 in the form of a movable flap 26, which can assume the function of a lowerable weir and / or the function of a check valve.
- the flap 26 is pivotably articulated on the bottom 12 of the wave pool 4.
- the pivoting range of the flap 26 is on the angular range between tween a folded-up position (Fig. 4a), in which it the loading rich A and C divides from each other, and a folded position (Fig. 4b, 4c), in which it connects the areas A and C, limited.
- the free end of the flap 26 can be equipped with a float 27 or the flap 26 can be made entirely or partially of a buoyant material. As a result, the free end of the flap 26 floats up on the underwater level U and lowers with it until the upper water level 0 is greater than the underwater level U and it is overflown like a weir. If the underwater level U is raised above the upper water level 0 again after an interruption in operation for renewed Hochfah ren of the device 1, the flap 26 with rising underwater level U erects itself again.
- U itself active up and down flap 26 can thus also be viewed as a non-return valve, which enables the establishment of an underwater level U above the upper water level 0 in the upward position (Fig. 4a), ie blocks upstream, and in a folded position when the upper water level 0 is greater than or equal to the lower water level U (Fig. 4b), downstream opens or is permeable.
- the flap 26 In an intermediate position (Fig. 4c), the flap 26 has both the function of an opened check valve and an overflow weir.
- the height of the upper water level 0 and thus the height of the surfing wave W can be set by changing the weir height H of the barrier 21 or the flap 26 used here as a barrier 21.
- the flap 26 can also rest against a partition 28 in its folded-up position, which spans the wave pool 4 from one side wall 13 to the other side wall 14 and up to the top Edge of the extended wall areas 25 is sufficient. It goes without saying that the flap 26 could also be hinged to one of the Be tenwalls 13, 14 or to the partition 28, in which case it can then no longer be used as a weir to control the 0 headwater level.
- the barrier 21 can also be forcibly moved by means of an actuator, which is controlled by appropriate level and / or pressure sensors upstream and downstream of the barrier 21, for example to function a Lend check valve.
- FIGS. 5 a - 5 c show the use of an additional storage basin 29 in order to facilitate the start-up of the device 1 using the barrier 21.
- the storage basin 29 is connected to the outlet 22 of the Wellenbe ckens 4 and takes the drained from the area A upstream of the barrier 21 water 2 in the idle state of the device 1 (Fig. 5b).
- the storage basin 29 can be arranged below the wave basin 4 above, below, next to as well as around the return channel 8 or its return lines 11 in order to minimize the footprint of the device 1.
- Fig. 5c shows the commissioning phase of the Pumpein direction 11, in which the underwater level U drops.
- the storage basin 29 is emptied via a controllable outlet 30 into the return channel 8, the one at the outlet
- Fig. 6 shows a variant of the device of Fig. 5a - 5c, in which the storage basin 29 via a pump with a pe 31 provided channel 32 in the back channel 8 and / or the Be rich C of the wave pool 4 downstream of the barrier 21 is performed.
- the pump device 10 When the pump device 10 is started up, the water is fed from the storage basin 29 via the pump 31 into the area C or the return channel 8, thus increasing the admission pressure for the pump device 10 and providing additional water for the run-up.
- an expansion tank 33 is shown, which can be used in any of the aforementioned embodiments.
- the equalizing tank 33 is connected to the wave pool 4 and / or the return channel 8 via an equalizing line 35 provided with a reversible pump 34.
- a reversible pump 34 By appropriately operating the pump 34 in one direction or the other, water can be brought between the wave pool 4 and the expansion tank 33 and so the upper water level 0 and thus the height of the surfing wave W can be set, u.zw. independently or in addition to its control by the weir height H of the barrier 21.
- the upper water level 0 can also be automatically kept constant at a desired level by appropriate control of the pump 34 in a control circuit measuring the upper water level 0.
- two counter-rotating pumps connected in parallel could also be used, for each of which a separate branch of the compensating line 35 could be provided.
- the return duct 8 and / or the (optional) storage basin 29 can be provided with one or more vent lines 36, 37 (FIG. 6) in order to prevent unwanted gas and air from entering the return duct 8, in particular in the area of the To allow the pump device 10 to escape from the system and to prevent undesired Unterbuchsi situations, for example in the storage basin 29.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50053/2020A AT523412B1 (de) | 2020-01-24 | 2020-01-24 | Vorrichtung und Verfahren zum Erzeugen einer künstlichen Surfwelle |
PCT/AT2020/060444 WO2021146761A1 (de) | 2020-01-24 | 2020-12-10 | Vorrichtung und verfahren zum erzeugen einer künstlichen surfwelle |
Publications (3)
Publication Number | Publication Date |
---|---|
EP4093932A1 true EP4093932A1 (de) | 2022-11-30 |
EP4093932C0 EP4093932C0 (de) | 2024-01-31 |
EP4093932B1 EP4093932B1 (de) | 2024-01-31 |
Family
ID=73854507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20825138.9A Active EP4093932B1 (de) | 2020-01-24 | 2020-12-10 | Vorrichtung und verfahren zum erzeugen einer künstlichen surfwelle |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4093932B1 (de) |
AT (1) | AT523412B1 (de) |
WO (1) | WO2021146761A1 (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0182923B1 (de) * | 1984-11-22 | 1987-09-23 | Otto Frenzl | Wassersporteinrichtung |
DE102008057785A1 (de) * | 2008-11-17 | 2010-05-20 | Action Team Veranstaltungs Gmbh | Künstliche Surfanlage |
US10119285B2 (en) * | 2017-01-20 | 2018-11-06 | The Wave Pool Company, LLC | Systems and methods for generating waves |
ES2857823T3 (es) * | 2017-04-12 | 2021-09-29 | Hydrostadium | Dispositivo para generar una ola estacionaria |
-
2020
- 2020-01-24 AT ATA50053/2020A patent/AT523412B1/de active
- 2020-12-10 EP EP20825138.9A patent/EP4093932B1/de active Active
- 2020-12-10 WO PCT/AT2020/060444 patent/WO2021146761A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
EP4093932C0 (de) | 2024-01-31 |
AT523412B1 (de) | 2021-08-15 |
AT523412A4 (de) | 2021-08-15 |
EP4093932B1 (de) | 2024-01-31 |
WO2021146761A1 (de) | 2021-07-29 |
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