CN205653748U - A energy absorber for morning and evening tides river model - Google Patents
A energy absorber for morning and evening tides river model Download PDFInfo
- Publication number
- CN205653748U CN205653748U CN201620352162.6U CN201620352162U CN205653748U CN 205653748 U CN205653748 U CN 205653748U CN 201620352162 U CN201620352162 U CN 201620352162U CN 205653748 U CN205653748 U CN 205653748U
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- energy
- energy dissipation
- dissipation tank
- feed cistern
- river model
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Abstract
The utility model relates to an energy absorber for morning and evening tides river model. The purpose is that the kinetic energy that the water supply water pump offered rivers can effectively be eliminated to the device that provides, makes rivers get into to be before the test block and stabilize the flow state, provides a stable hydrodynamic force key element measuring ring border for the experiment to the device is simple and easy, realizes easily that the effect is showing. Technical scheme is: an energy absorber for morning and evening tides river model, includes water supply tank, installs a plurality of water supply water pumps in water supply tank, its characterized in that still set up the vertical energy dissipation pond of arranging of a runner between water supply tank and the follow -up experimental apparatus, energy dissipation pond lower part communicates with each other and energy dissipation pond top and follow -up experimental apparatus intercommunication through water pump delivery port hole and water supply tank, and energy dissipation pond bottom of the pool is higher than the water supply tank bottom of the pool, top -down is installing the energy dissipation board that energy dissipation pond runner cross -section and upper and lower keep (shenglvehao)at a certain distance away in at least two -layer shutoff in the energy dissipation pond, the aperture that has a plurality of usefulness of permeating water is made to even opening on the energy dissipation board.
Description
Technical field
The present invention relates to the physical model of a kind of unsteady flow simulation test, the especially energy dissipator of the estuary coast water flow simulation test tidal river model that mesotidal range is big, hydrodynamic force is strong.
Background technology
Physical experiments is that people recognize and one of the important means studying estuary coast area water movement rule.In order in physical model, tidal level and the trend process in waters is simulated in reproduction, it is necessary to manufacture corresponding tide process in the water boundaries of model.In the river model of traditional tidal flow simulation, generally realize predetermined tide process by the control water supply time of water pump, water supply flow etc..During due to water pump water outlet, water flow dynamic energy is strong, and fluidised form is disorderly, and water level fluctuation is violent, causes the biggest difficulty to the measurement of water level with control.Therefore, it is necessary to arrange energy-dissipating installation to eliminate the fluctuation of the water surface.Traditional energy-dissipating installation typically uses to be put into the measure such as simple bamboo raft, irregular bluff body (such as stone, mesh grid) in raw tidewater pond and carries out energy dissipating；This energy dissipating measure effect of energy dissipation is the best, and raw tidal water flow is had disturbance, easily produces water level and the unmatched phenomenon of flow velocity, thus causes the control accuracy of the observation raw tide of difficulty impact.
Summary of the invention
Present disclosure is to overcome the weak point of above-mentioned existing background technology, and provides the energy dissipator producing tidal flow in a kind of tidal river model.This device can effectively eliminate water supply pump and be supplied to the kinetic energy of current, makes current enter before test block in stabilization of fluidized, provides a stable hydrodynamical particular to measure environment for experiment, and this device is simple, it is easy to accomplish, effect is notable.
Present invention provide the technical scheme that
A kind of energy dissipator for tidal river model, including feed cistern, some water supply pumps being arranged in feed cistern；It is characterized in that also setting up between described feed cistern and subsequent experimental device the energy dissipation tank that a runner is vertically arranged, energy dissipation tank bottom is communicated with feed cistern by water pump water outlet oral pore and energy dissipation tank top connects with subsequent experimental device, higher than at the bottom of feed cistern pond at the bottom of energy dissipation tank pond；At least two-layer is installed in described energy dissipation tank from top to bottom and close off energy dissipation tank cross section of fluid channel and energy dissipating plate the most at a certain distance, described energy dissipating plate is uniformly opened and is shaped with multiple permeable aperture.
In described at least two-layer energy dissipating plate, the energy dissipating plate of top layer is placed at below energy dissipation tank Chi Ding 15cm, and remaining energy dissipating plate is equidistantly spaced in energy dissipation tank；The aperture dislocation of adjacent upper and lower two-layer energy dissipating plate is placed, so that water flow dynamic energy uniform distribution.
Further, having many load-bearing pillars between energy dissipation tank and feed cistern, load-bearing pillar is uniformly laid between feed cistern and energy dissipation tank；It is provided with concrete enclosing between load-bearing pillar to fill, makes energy dissipation tank and feed cistern separate；Concrete enclosing is filled bottom and is provided with water pump water outlet oral pore, and the axis horizontal of water pump water outlet oral pore is arranged.
Further, the density of setting of described aperture be aperture area sum be the 3/6-5/6 of energy dissipating plate area.
Further, the aperture of described aperture is 10mm.
Further, more than 0.5m at the bottom of feed cistern pond is exceeded at the bottom of the pond of described energy dissipation tank.
Described load-bearing pillar upper support and is easily installed commissioning staff and the concrete beam of maintainer's operation.
The bottom of described feed cistern is connected with the other end of river model by backwater canal, is used for receiving model backwater, it is achieved the recycling of experimental water.
The ultimate principle that the present invention realizes raw tidal system system energy dissipating is as follows: when testing, current enter energy dissipation tank by water pump water outlet oral pore, and current have bigger kinetic energy after water pump penetrates, and turbulence intensity is big.Owing to water pump water outlet pipeline is arranged on bottom energy dissipation tank, and the direction of outlet stream is just to pool wall, and current transfer upwards unrestrained rising to after entering energy dissipation tank, can convert kinetic energy into potential energy；On the other hand, when current are by the two-layer laid in energy dissipation tank or multilamellar energy dissipating plate, energy dissipating plate can crush the internal large eddy of current, and effect of boundary layer increases the frictional resistance of current simultaneously, can consume water flow dynamic energy more quickly；Coordinate regulation water pump water outlet power to make current increase to when testing water level and substantially consume water flow dynamic energy, reach effect of energy dissipation.
The invention has the beneficial effects as follows, when carrying out tidal river model experiment, the impact on test accuracy of the raw tidal system regiment commander next current remnants kinetic energy is eliminated by energy high degree of the present invention, and present configuration is simple, it is easily achieved, effect is obvious, preferably compensate for the deficiency of tradition energy dissipating measure, efficiently solves the problem that in unsteady flow big at tidal range, that hydrodynamic force is strong simulation, tradition raw tidal system system effect of energy dissipation is the best.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of apparatus of the present invention.
Fig. 2 is A-A cross-sectional view in Fig. 1.
Fig. 3 is the structural representation of energy dissipating plate.
Fig. 4 is the mounting structure schematic diagram of energy dissipating plate.
In figure: 1 energy dissipation tank, 2 feed cisterns, 3 energy dissipating plates, 4 energy dissipation tank concrete walls, 5 water supply pumps, 6 water pump water outlet pipelines, 7 bracing frames, 8 concrete enclosing fillings, 9 load-bearing pillars, 10 screws, 11 water pump water outlet oral pores, 12 angle irons.
Detailed description of the invention
Describe the performance of the present invention below in conjunction with the accompanying drawings in detail, but they are not intended that limitation of the present invention.
Feed cistern 2 of the present invention is built into by concrete, as the tank of the raw tidal system system of model test, ensures the without interruption of test water source；Described energy dissipation tank 1 is built into by concrete, is connected between feed cistern and subsequent experimental device, and energy dissipation tank bottom is communicated with feed cistern by water pump water outlet oral pore 11 and energy dissipation tank top connects with subsequent experimental device thus keeps runner to be in vertical arrangement states；More than 0.5m at the bottom of feed cistern pond need to be exceeded, to facilitate the adjustment and installation of water pump 5 at the bottom of energy dissipation tank pond；At least two-layer is installed in energy dissipation tank and close off the energy dissipating plate 3 of energy dissipation tank cross section of fluid channel；Arranging many load-bearing pillars 9 between described energy dissipation tank and feed cistern, load-bearing pillar upper support concrete beam (this crossbeam is used for facilitating installation and debugging personnel and maintainer's operation)；Load-bearing pillar 9 is internally provided with arrangement of reinforcement, and for supporting the weight of top concrete beam and experimenter, the quantity of load-bearing pillar selects to determine according to the width of feed cistern；Concrete enclosing is set between load-bearing pillar and fills 8, for energy dissipation tank and feed cistern are individually insulated as separate space；Feed cistern is provided with backwater canal (omitting in figure), for receiving the backwater of river model opposite side, to realize the without interruption of test water and to recycle.
Energy dissipating plate 3 is rectangular configuration (PVC material of preferred thickness 10mm is made), and energy dissipating plate is uniformly laid with aperture, the 3/6-5/6 (preferably 2/3) that it is energy dissipating plate area with aperture area sum that pore density is arranged；The size of small aperture is set as that 10mm is advisable, and small aperture the least choked flow effect is too strong, when water supply pump 5 water flow is bigger, easily produces jet, and aperture can not effectively crush the most greatly the turbulent fluctuation whirlpool body within current, and effect of energy dissipation is inconspicuous；The energy dissipating plate of different size is selected according to experiment condition；When energy dissipation tank 1 is long, polylith energy dissipating plate parallel laid, it is spliced into one layer of energy dissipating plate；
Stable degree in view of energy dissipating plate 3 is fixed on energy dissipating pool wall 4 by fixed component (idiophone 12 and screw 10) with properties of flow excessively, the energy dissipating plate of each layer；According to experiment energy dissipating requirement, if multilamellar energy dissipating plate need to be laid, the energy dissipating plate of top layer is placed at energy dissipation tank 1 below Chi Ding 15cm, remaining energy dissipating plate should equidistantly be fixed on energy dissipating pool wall differing heights, and make the aperture dislocation of adjacent two rows energy dissipating plate place as far as possible, so that water flow dynamic energy uniform distribution, it is to avoid it is internally formed high velocity and stagnant area at current, affects effect of energy dissipation.
Further, 3 four corners of described energy dissipating plate are fixed on energy dissipation tank concrete wall 4 by 8 screws 10 and angle iron 12 up and down；When needing multilamellar to arrange energy dissipating plate, every layer all uses same method to be equidistantly fixed on energy dissipation tank concrete wall with satisfied experiment demand.The wall of described energy dissipation tank concrete wall should be smooth, and does Anti-seeping technology.
Described water supply pump 5 is arranged in feed cistern 2, for submerged water pump, a raw tidal system system can need to configure multiple stage water supply pump according to test, and the specification of water supply pump selects according to test demand, and coordinate scheduling according to experiment condition, as the confession hydrodynamic apparatus of experimental simulation system.
Water pump water outlet pipeline 6 is arranged in the water pump water outlet oral pore 11 of the bottom of energy dissipation tank 1, can the test water that water supply pump 5 provides be transported in energy dissipation tank and follow-up test device.Water pump water outlet oral pore can be reserved when building concrete enclosing and filling 8, and size and the number of water pump water outlet oral pore determine according to experimental simulation institute water requirement, model space size and Ordination of pump.
Bracing frame 7 is arranged in feed cistern 2 for steel design, for supporting the weight of water supply pump 5, stablizes water pump.
The present invention for the implementation method of a kind of energy dissipator of tidal river model is:
1, according to experimental design size, build feed cistern and the energy dissipation tank of concrete material, make energy dissipation tank inwall flat smooth, and do Anti-seeping technology.
2, when energy dissipation tank bottom concrete enclosing is filled and built, reserved pump outlet hole, the size of water pump water outlet oral pore and number are pre-designed according to experiment and determine.
3, water supply pump is installed.
4, design energy dissipating plate gauge lattice, determine small aperture and pore density on monolithic energy dissipating plate size and plate.
5, determine the number of plies that energy dissipating plate is laid in energy dissipation tank, make each layer energy dissipating plate be evenly distributed on energy dissipation tank differing heights.Fix energy dissipating plate up and down by angle iron and screw, be allowed to be stabilized in energy dissipation tank.
6, coordinate adjustment water supply pump goes out water-horse power, and when making current arrive test block, kinetic energy substantially eliminates, and then carries out subsequent experimental.
It should be understood that to those of ordinary skill in the art, the present invention can also make some changes or deformation on the premise of not changing the principle of the invention, this also belongs to protection scope of the present invention.
Claims (8)
1., for an energy dissipator for tidal river model, including feed cistern (2), it is arranged in feed cistern
Some water supply pumps (5)；It is characterized in that also setting up one between described feed cistern and subsequent experimental device
The energy dissipation tank (1) that runner is vertically arranged, water pump water outlet oral pore (11) and feed cistern phase are passed through in energy dissipation tank bottom
Logical and energy dissipation tank top connects with subsequent experimental device, it is higher than at the bottom of feed cistern pond at the bottom of energy dissipation tank pond；Described energy dissipating
At least two-layer is installed in pond from top to bottom and close off energy dissipation tank cross section of fluid channel and disappearing the most at a certain distance
Energy plate (3), described energy dissipating plate is uniformly opened and is shaped with multiple permeable aperture.
Energy dissipator for tidal river model the most according to claim 1, it is characterised in that: institute
In at least two-layer energy dissipating plate stated, top layer energy dissipating plate is placed at below energy dissipation tank Chi Ding 15cm, remaining energy dissipating plate
It is equidistantly spaced in energy dissipation tank；The aperture dislocation of adjacent upper and lower two-layer energy dissipating plate is placed, so that current
Kinetic energy uniform distribution.
Energy dissipator for tidal river model the most according to claim 1 and 2, it is characterised in that:
Further, having many load-bearing pillars (9) between energy dissipation tank and feed cistern, load-bearing pillar is uniformly laid in feed cistern
And between energy dissipation tank；Be provided with between load-bearing pillar concrete enclosing fill (8), make energy dissipation tank and feed cistern every
Open；Concrete enclosing is filled bottom and is provided with described water pump water outlet oral pore, the axis horizontal of water pump water outlet oral pore
Arrange.
Energy dissipator for tidal river model the most according to claim 3, it is characterised in that: institute
State the density of setting of aperture be aperture area sum be the 3/6-5/6 of energy dissipating plate area.
Energy dissipator for tidal river model the most according to claim 4, it is characterised in that: institute
The aperture stating aperture is 10mm.
Energy dissipator for tidal river model the most according to claim 5, it is characterised in that: institute
State and at the bottom of the pond of energy dissipation tank, exceed more than 0.5m at the bottom of feed cistern pond.
Energy dissipator for tidal river model the most according to claim 6, it is characterised in that: institute
State load-bearing pillar upper support and be easily installed commissioning staff and the concrete beam of maintainer's operation.
Energy dissipator for tidal river model the most according to claim 7, it is characterised in that: institute
The bottom stating feed cistern is connected with the other end of river model by backwater canal, is used for receiving model backwater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620352162.6U CN205653748U (en) | 2016-04-22 | 2016-04-22 | A energy absorber for morning and evening tides river model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620352162.6U CN205653748U (en) | 2016-04-22 | 2016-04-22 | A energy absorber for morning and evening tides river model |
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| Publication Number | Publication Date |
|---|---|
| CN205653748U true CN205653748U (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620352162.6U Withdrawn - After Issue CN205653748U (en) | 2016-04-22 | 2016-04-22 | A energy absorber for morning and evening tides river model |
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| CN (1) | CN205653748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756010A (en) * | 2016-04-22 | 2016-07-13 | 浙江省水利河口研究院 | Energy dissipater for tidal river model |
-
2016
- 2016-04-22 CN CN201620352162.6U patent/CN205653748U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756010A (en) * | 2016-04-22 | 2016-07-13 | 浙江省水利河口研究院 | Energy dissipater for tidal river model |
| CN105756010B (en) * | 2016-04-22 | 2018-01-02 | 浙江省水利河口研究院 | A kind of energy dissipator for tidal river model |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161019 Effective date of abandoning: 20180102 |