CN106842999A - The device and method of the irregular littoral zone wave tide of generation is coupled in laboratory - Google Patents
The device and method of the irregular littoral zone wave tide of generation is coupled in laboratory Download PDFInfo
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- CN106842999A CN106842999A CN201710039177.6A CN201710039177A CN106842999A CN 106842999 A CN106842999 A CN 106842999A CN 201710039177 A CN201710039177 A CN 201710039177A CN 106842999 A CN106842999 A CN 106842999A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D35/00—Pumps producing waves in liquids, i.e. wave-producers
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Abstract
The present invention couples the device for generating irregular littoral zone wave tide, including tank, mono-pendulum type wave maker, automatic-lifting type tide generator, control computer in disclosing a kind of laboratory；The most upstream arrangement automatic-lifting type tide generator of device, automatic-lifting type tide generator downstream connection water channel entrance, mono-pendulum type wave maker is arranged in tank porch, and the control computer controls water-carrying capacity, the motion of mono-pendulum type wave maker and the lifting of automatic-lifting type tide generator of tank.The invention also discloses the method for work of the device.The tide generating means that the present invention is provided disclosure satisfy that the requirement of water level followability, after being connected by elevation connecting rod with wave maker, rational physical analogy relation be established to the coupling between wave and tide.
Description
Technical field：
The present invention relates to a kind of device and method for coupling the irregular littoral zone wave tide of generation, belong to hydrodynamics and
Marine Sciences crossing domain.
Background technology：
The hydraulic analogy that littoral zone is carried out in hydraulic experiment room generally comprises flow field simulation, wave simulation, tide mould
, there is substantial amounts of correlative simulation method and device in the prior art in the aspects such as plan.Such as it is used for including for wave simulation：
CN201510382133.4 is used for the multi-axis control system and method for wave simulation, a kind of experiments of CN201520366830.6 with pushing away
Board-like wave simulation tank；For including for flow field simulation：A kind of small-sized flow field simulation tanks of CN201520366828.9；For
Tide analog includes：CN201210273081.3 tide analogs TT＆C system and its investigating method, CN201120129825.5
Tide simulated wave-making instrument, CN200810226251.6 maritime works model tide simulations automaton and control method,
CN200810047283.X tide simulation system of bidirectional-reflux variable-frequency control pump, CN200810014811.1 tide analog automatizations
Experimental rig.
1st, existing water flow simulation method is usually that controlling water level and flow are obtained by natural water surface gradient in the sink
Flow velocity.
2nd, the tidal conditions that existing tide analog typically considers are relatively easy, the main power to lead tide for considering the moon and the sun
Caused sea level cyclic fluctuation, i.e.,：M2 and S2 partial tides.Mostly using simple sinusoidal signal (such as half in analog study
Diurnal tide [Li, H., M.C.Boufadel, and J.W.Weaver (2008), Tide-induced seawater-
groundwater circulation inshallow beach aquifers,Journal of Hydrology,352(1-
2),211-224,10.1016/j.jhydrol.2008.01.013；Robinson,C.,L.Li,and D.A.Barry
(2007b),Effect of tidal forcing on a subterranean estuary,Advancesin Water
Resources,30(4),851-865,10.1016/j.advwatres.2006.07.006；Xin,P.,C.Robinson,
L.Li,D.A.Barry,and R.Bakhtyar(2010),Effects of wave forcing on asubterranean
Estuary, Water Resources Research, 46,10.1029/2010wr009632.), the group of tide under natural conditions
It is extremely complex into ripple, currently without appropriate analogy method.
3rd, the general method using using linear superposition of the simulation such as existing tide, wave is generated, but Xin et al.
[2010] research points out that the tide wave factor is unable to linear superposition, and for example tide and wave signal can phases in coastal aquifer
Mutually influence, the submarine groundwater discharge total amount of generation is much smaller than the circulation summation that monofactor is produced.Then, King [2012]
By the submarine groundwater discharge process for studying Brazil Patos lido coast bands, finally it is to be emphasized again that composite factor nonlinear interaction
Importance and clearly propose that widely used linear model can not well quantify submarine groundwater discharge total amount, its extra large side wave
Unrestrained condition is larger with actual deviation.Irregular inland border, compound tide and irregular wave process are influence water-bearing layer hydrodynamic(al)s
The key factor of power process and Contaminants Transport.At present, coupling mechanism of these three hydraulic factors on room and time yardstick
Do not recognized well also.
The content of the invention
Goal of the invention：In order to solve the above technical problems, the present invention provides a kind of generation of simulation in the lab wave tide
The device and method of nighttide, the wave tide for being generated disclosure satisfy that irregular and requirement that is intercoupling.
Technical scheme：The present invention proposes to couple the device for generating irregular littoral zone wave tide, bag in a kind of laboratory
Include tank, mono-pendulum type wave maker, automatic-lifting type tide generator, control computer；The most upstream arrangement automatic lifting of device
Formula tide generator, automatic-lifting type tide generator downstream connection water channel entrance, tank porch arrangement mono-pendulum type makes ripple
Machine, the control computer controls water-carrying capacity, the motion of mono-pendulum type wave maker and the automatic-lifting type tide generator of tank
Lifting.
Further, the tank includes return flume, variable frequency pump, connecting pipe, flume test section and flow control system；
The flume test section connects return flume by connecting pipe, and return flume is by variable frequency pump and automatic-lifting type tide generator
Water inlet is connected.
Further, the mono-pendulum type wave maker includes wave maker motor, drive rod, crankshaft-link rod, push wave plate, push wave plate
Axle, tide elevation connecting rod and support and electric machine control system；The drive rod is " Jiong " shape structure, an including horizon bar, with
And horizon bar two ends and the vertical bar vertical with horizon bar are located at respectively, it is equipped with an emperor at the two ends of horizon bar and vertical bar
Ring gear, drive rod connects wave maker motor, " Jiong " shape structural openings by an imperial crown gear at " Jiong " shape structural corners
The imperial crown gear at place connects a crankshaft-link rod respectively；The crankshaft-link rod is provided with an imperial crown tooth with the connection end of drive rod
Wheel；The push wave plate is quadrilateral structure, and one side corresponding with horizon bar is the elliptic arc opening of indent, relative with elliptic arc side
Side be fixed in push wave board shaft, the both sides adjacent with elliptic arc side are corresponding to be provided with chute；The crankshaft-link rod not with drive rod
One end of connection is embedded in the chute of push wave plate by sliding block；The mono-pendulum type wave maker is fixed on support by drive rod,
The bottom connection tide elevation connecting rod of the support, and be connected with automatic-lifting type tide generator by tide elevation connecting rod.
Further, the push wave plate width is 16cm, and length is 32.5cm, the short axle and horizontal plane of elliptic arc opening
It is parallel, major axis and horizontal plane, corresponding elliptic equation isElliptical openings depth is semi-major axis, i.e.,
16cm, A/F is that short axle is long, i.e. 16cm.
Further, the crankshaft-link rod length is 8cm.
Further, the automatic-lifting type tide generator includes tide casing, positioned at the connection of tide box house
Pipeline, broken line overflow launder and tank is overflowed back, and screw thread lift, elevation crane activity group positioned at tide casing top
Part, elevation crane fixation kit, measurement of higher degree component and elevation crane movable component control system, the automatic-lifting type
Tide generator is connected by elevation crane movable component with mono-pendulum type wave maker, and the water inlet of the tide casing is by connecting
Adapter road connection water channel, the broken line overflow launder outlet connection overflows back tank, the broken line overflow launder and measurement of higher degree component
It is fixed on elevation crane movable component, the elevation crane movable component connects elevation crane by screw thread lift
Fixation kit, the elevation crane fixation kit is fixed on tide casing top.
Further, the push wave plate elliptic arc open bottom elevation is than broken line overflow launder elevation of weir crest 3cm high.
Further, 20 of the excessively stream side line length of the broken line overflow launder not less than maximum stage unit hour luffing
Times, when the excessively stream side line length of broken line overflow launder is less than 20 times of maximum stage unit hour luffing, SEA LEVEL VARIATION can not expire
The followability of tide in foot experiment.
The present invention also proposes to couple the method for the irregular littoral zone wave tide of generation in a kind of laboratory, including walks as follows
Suddenly：
1) Tide Characteristics are set in control computer, flood tide flow in process control system control variable frequency pump increases stream
Amount, elevation crane movable component control system control elevation crane movable component rises, in elevation crane movable component
Measurement of higher degree component tracks water level and fed back to control computer in uphill process, because broken line overflow launder and elevation crane are lived
Dynamic component is fixedly connected, therefore broken line overflow launder rises jointly with elevation crane movable component, and folding is caused in uphill process
The weir head of line overflow launder remains 2.6cm；After the tidal level that reaches a climax, ebb tide process, flow control are initially entered
System control variable frequency pump reduces flow, and elevation crane movable component control system control elevation crane movable component declines,
Broken line overflow launder declines simultaneously, and it is 2.75cm to keep broken line overflow launder weir head；
2) when elevation crane movable component instructs rise and fall with control computer, the action of rise and fall is passed through
Tide elevation connecting rod passes to mono-pendulum type wave maker, and mono-pendulum type wave maker is lifted jointly with elevation crane movable component, keeps
Water level elevation is constant with mono-pendulum type wave maker relative altitude；
3) electric machine control system calculates the working frequency of wave maker motor according to wave period, makes ripple motor periodic motion,
The horizon bar of drive rod is imparted power to, two on horizon bar imperial crown gear drives vertical bar with horizon bar associated movement,
Vertical bar drives the imperial crown gear of crankshaft-link rod, drives crankshaft-link rod to move in a circle, and the sliding block of crankshaft-link rod connection is in push wave
Straight reciprocating motion is done on plate, and promotes push wave plate to swing, simulate littoral zone wave, and then obtain the coupling of tide and wave
Close.
Beneficial effect：The present invention is had the following advantages that using as above technical scheme：
1st, the tide generating means that the present invention is provided disclosure satisfy that the requirement of water level followability；
2nd, after being connected by elevation connecting rod with wave maker, rational physics is established to the coupling between wave and tide
Simulative relation.
Brief description of the drawings
Fig. 1 is the front view of apparatus of the present invention；
Fig. 2 is the left view of apparatus of the present invention；
Fig. 3 is the structural representation of the automatic-lifting type tide generator of apparatus of the present invention；
Fig. 4 is the structural representation of the mono-pendulum type wave maker of apparatus of the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention, after the present invention has been read, those skilled in the art are to various equivalences of the invention
The modification of form falls within the application appended claims limited range.
The device of the irregular hydraulic factors of littoral zone, including tank 1, mono-pendulum type are simulated in laboratory as Figure 1-3
Wave maker 2, automatic-lifting type tide generator 3, control computer；The most upstream arrangement automatic-lifting type tide generator of device
3, mono-pendulum type wave maker 2 is arranged in the entrance of 3 downstream connection water channel of automatic-lifting type tide generator 1, the porch of tank 1, described
Control computer controls water-carrying capacity, the motion of mono-pendulum type wave maker 2 and the lifting of automatic-lifting type tide generator 3 of tank 1.
The tank 1 includes return flume 4, variable frequency pump 5, connecting pipe 6, flume test section 7 and flow control system；It is described
Flume test section 7 connects return flume 4 by connecting pipe 6, and return flume 4 is by variable frequency pump 5 and automatic-lifting type tide generator
Connecting pipe 17 be connected.
The mono-pendulum type wave maker 2 includes wave maker motor 8, drive rod 9, crankshaft-link rod 10, push wave plate 11, push wave board shaft
12nd, tide elevation connecting rod 13 and support 14 and electric machine control system；The drive rod 9 is " Jiong " shape structure, an including level
Bar, and horizon bar two ends and the vertical bar vertical with horizon bar are located at respectively, it is equipped with the two ends of horizon bar and vertical bar
One imperial crown gear, the imperial crown gear connection wave maker motor 8 at drive rod " Jiong " shape structural corners, " Jiong " shape structure is opened
Imperial crown gear at mouthful connects a crankshaft-link rod 10 respectively；The crankshaft-link rod 10 is provided with one with the connection end of drive rod 9
Imperial crown gear；The push wave plate 11 is quadrilateral structure, and one side corresponding with horizon bar is the elliptic arc opening of indent, with ellipse
Arc is fixed in push wave board shaft 12 while relative, and the both sides adjacent with elliptic arc side are corresponding to be provided with chute；The crankshaft-link rod
10 one end not being connected with drive rod 9 are embedded in the chute of push wave plate 11 by sliding block 15；The mono-pendulum type wave maker is by driving
Lever 9 is fixed on the support 14, the bottom of the support 14 connection tide elevation connecting rod 13, and by tide elevation connecting rod 13 with
The elevation crane movable component 21 of automatic-lifting type tide generator 3 is connected.Specifically, the push wave plate width is 16cm,
Length is 32.5cm, the short axle and plane-parallel of elliptic arc opening, major axis and horizontal plane, and corresponding elliptic equation isElliptical openings depth is semi-major axis, i.e. 16cm, and A/F is that short axle is long, i.e. 16cm.The crankshaft-link rod
10 length are 8cm.
The automatic-lifting type tide generator 3 includes tide casing 16, the connecting pipe inside tide casing 16
17th, broken line overflow launder 18 and tank 19 is overflowed back, and positioned at screw thread lift 20, the elevation crane at the top of tide casing 16
Movable component 21, elevation crane fixation kit 22, measurement of higher degree component 23 and elevation crane movable component control system 24,
The automatic-lifting type tide generator 3 is connected by elevation crane movable component 21 with tide elevation connecting rod 13, the tide
The variable frequency pump 5 that the water inlet of nighttide casing 16 passes through the connection water channel 1 of connecting pipe 17, the outlet of the broken line overflow launder 18 connection overflow
Return flume 19, the broken line overflow launder 18 and measurement of higher degree component 23 are fixed on elevation crane movable component 21, the height
Journey crane movable component 21 connects elevation crane fixation kit 22 by screw thread lift 20, and the elevation crane is fixed
Component 22 is fixed on the top of tide casing 16.Specifically, the elliptic arc open bottom elevation of the push wave plate 11 is than broken line overflow launder
18 elevation of weir crest 3cm high.When the maximum stage unit hour luffing of tide simulation is 8cm, the weir crest of the broken line overflow launder 18
Excessively stream side line length is 160cm.
The corresponding wave tide generation method of said apparatus comprises the following steps：
1) Tide Characteristics are set in control computer, flood tide flow in process control system control variable frequency pump 5 increases stream
Amount, the control elevation crane of elevation crane movable component control system 24 movable component 21 rises, in the activity of elevation crane
Measurement of higher degree component 23 tracks water level and is fed back to control computer in the uphill process of component 21, due to broken line overflow launder 18 and height
Journey crane movable component 21 is fixedly connected, therefore broken line overflow launder 18 rises jointly with elevation crane movable component 21,
Cause that the weir head of broken line overflow launder 18 remains 2.6cm in uphill process；After the tidal level that reaches a climax, initially enter
Ebb tide process, flow control system control variable frequency pump 5 reduces flow, the control elevation of elevation crane movable component control system 24
Crane movable component 21 declines, while broken line overflow launder 18 declines, it is 2.75cm to keep the weir head of broken line overflow launder 18；
2) when elevation crane movable component 21 instructs rise and fall with control computer, the action of rise and fall is led to
Cross tide elevation connecting rod 13 and pass to mono-pendulum type wave maker 2, mono-pendulum type wave maker 2 rises jointly with elevation crane movable component 21
Drop, keeps water level elevation constant with the relative altitude of mono-pendulum type wave maker 2；
3) electric machine control system calculates the working frequency of wave maker motor 8 according to wave period, makes the cycle of ripple motor 8 fortune
It is dynamic, the horizon bar of drive rod 9 is imparted power to, it is vertical that two on horizon bar imperial crown gear drives with horizon bar associated movement
Bar, vertical bar drives the imperial crown gear of crankshaft-link rod 10, drives crankshaft-link rod 10 to move in a circle, the cunning of the connection of crankshaft-link rod 10
Block 15 does straight reciprocating motion on push wave plate 11, and promotes push wave plate 11 to swing, and simulates littoral zone wave, and then obtain tide
The coupling of nighttide and wave.
Claims (9)
1. the device of the irregular littoral zone wave tide of generation is coupled in a kind of laboratory, it is characterised in that including tank, single pendulum
Formula wave maker, automatic-lifting type tide generator, control computer；The most upstream arrangement automatic-lifting type tide of device occurs
Device, automatic-lifting type tide generator downstream connection water channel entrance, tank porch arrangement mono-pendulum type wave maker, the control
The water-carrying capacity of computer controls tank, the motion of mono-pendulum type wave maker and the lifting of automatic-lifting type tide generator.
2. the device of the irregular littoral zone wave tide of generation is coupled in laboratory according to claim 1, and its feature exists
In the tank includes return flume, variable frequency pump, connecting pipe, flume test section and flow control system；The flume test section
Return flume is connected by connecting pipe, return flume is connected by variable frequency pump with the water inlet of automatic-lifting type tide generator.
3. the device of the irregular littoral zone wave tide of generation is coupled in laboratory according to claim 1, and its feature exists
In the mono-pendulum type wave maker includes that wave maker motor, drive rod, crankshaft-link rod, push wave plate, push wave board shaft, tide elevation connect
Bar and support and electric machine control system；The drive rod is " Jiong " shape structure, an including horizon bar, and is located at level respectively
Bar two ends and the vertical bar vertical with horizon bar, an imperial crown gear, drive rod are equipped with the two ends of horizon bar and vertical bar
Wave maker motor is connected by an imperial crown gear at " Jiong " shape structural corners, the imperial crown gear at " Jiong " shape structural openings point
Lian Jie not a crankshaft-link rod；The crankshaft-link rod is provided with an imperial crown gear with the connection end of drive rod；The push wave plate is
Quadrilateral structure, one side corresponding with horizon bar is the elliptic arc opening of indent, and push wave is fixed on while relative with elliptic arc
In board shaft, the both sides adjacent with elliptic arc side are corresponding to be provided with chute；One end that the crankshaft-link rod is not connected with drive rod passes through
In the chute of sliding block insertion push wave plate；The mono-pendulum type wave maker is fixed on support by drive rod, the bottom of the support
Connection tide elevation connecting rod, and be connected with automatic-lifting type tide generator by tide elevation connecting rod.
4. the device of the irregular littoral zone wave tide of generation is coupled in laboratory according to claim 3, and its feature exists
In the push wave plate width is 16cm, and length is 32.5cm, the short axle and plane-parallel of elliptic arc opening, major axis and level
Face is vertical, and corresponding elliptic equation isElliptical openings depth is semi-major axis, i.e. 16cm, and A/F is short
Axial length, i.e. 16cm.
5. the device of the irregular littoral zone wave tide of generation is coupled in laboratory according to claim 3, and its feature exists
In the crankshaft-link rod length is 8cm.
6. the device of the irregular littoral zone wave tide of generation is coupled in laboratory according to claim 3, and its feature exists
In the automatic-lifting type tide generator includes tide casing, connecting pipe, broken line overflow launder positioned at tide box house
With overflow back tank, and screw thread lift positioned at tide casing top, elevation crane movable component, elevation crane are consolidated
Determine component, measurement of higher degree component and elevation crane movable component control system, the automatic-lifting type tide generator passes through
Elevation crane movable component is connected with mono-pendulum type wave maker, and the water inlet of the tide casing connects water by connecting pipe
Groove, the broken line overflow launder outlet connection overflows back tank, and the broken line overflow launder and measurement of higher degree component are fixed on elevation liter
On drop frame movable component, the elevation crane movable component connects elevation crane fixation kit, institute by screw thread lift
State elevation crane fixation kit and be fixed on tide casing top.
7. the device of the irregular littoral zone wave tide of generation is coupled in laboratory according to claim 6, and its feature exists
In the push wave plate elliptic arc open bottom elevation is than broken line overflow launder elevation of weir crest 3cm high.
8. the device of the irregular littoral zone wave tide of generation is coupled in laboratory according to claim 6, and its feature exists
In 20 times of excessively stream side line length not less than maximum stage unit hour luffing of the broken line overflow launder.
9. a kind of method that the irregular littoral zone wave tide of generation is coupled in laboratory, it is characterised in that comprise the following steps：
1) Tide Characteristics are set in control computer, flood tide flow in process control system control variable frequency pump increases flow, high
Journey crane movable component control system control elevation crane movable component rises, and rises in elevation crane movable component
Measurement of higher degree component tracks water level and fed back to control computer in journey, due to broken line overflow launder and elevation crane movable component
It is fixedly connected, therefore broken line overflow launder rises jointly with elevation crane movable component, and broken line overflow is caused in uphill process
The weir head of groove remains 2.6cm；After the tidal level that reaches a climax, ebb tide process, flow control system control are initially entered
Variable frequency pump processed reduces flow, and elevation crane movable component control system control elevation crane movable component declines, while folding
Line overflow launder declines, and it is 2.75cm to keep broken line overflow launder weir head；
2) when elevation crane movable component instructs rise and fall with control computer, the action of rise and fall is passed through into tide
Elevation connecting rod passes to mono-pendulum type wave maker, and mono-pendulum type wave maker is lifted jointly with elevation crane movable component, keeps water level
Elevation is constant with mono-pendulum type wave maker relative altitude；
3) electric machine control system calculates the working frequency of wave maker motor according to wave period, makes ripple motor periodic motion, will be dynamic
Power passes to the horizon bar of drive rod, and two on horizon bar imperial crown gear drives vertical bar with horizon bar associated movement, vertically
Bar drives the imperial crown gear of crankshaft-link rod, drives crankshaft-link rod to move in a circle, and the sliding block of crankshaft-link rod connection is on push wave plate
Straight reciprocating motion is done, and promotes push wave plate to swing, simulate littoral zone wave, and then obtain the coupling of tide and wave.
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| CN201710039177.6A CN106842999B (en) | 2017-01-19 | 2017-01-19 | Coupling generates the device and method of irregular littoral zone wave tide in laboratory |
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| CN201710039177.6A CN106842999B (en) | 2017-01-19 | 2017-01-19 | Coupling generates the device and method of irregular littoral zone wave tide in laboratory |
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| CN108130883A (en) * | 2017-12-31 | 2018-06-08 | 浙江大学 | A kind of water-level fluctuation device of tide simulation load |
| CN108731912A (en) * | 2018-05-29 | 2018-11-02 | 水利部交通运输部国家能源局南京水利科学研究院 | Storm tide, wave Dynamic Coupling analogy method and its equipment in two-dimensional flume |
| CN113639959A (en) * | 2021-10-18 | 2021-11-12 | 中国水产科学研究院渔业工程研究所 | Water tank wave flow generation system with rear-mounted outflow opening |
| CN114324820A (en) * | 2021-12-07 | 2022-04-12 | 中国电建集团华东勘测设计研究院有限公司 | Test device for simulating overall process of weakening of seabed gas-containing slope and landslide |
| CN116806585A (en) * | 2023-06-30 | 2023-09-29 | 河海大学 | Experimental method for exploring field planting growth of salt-biogas plants under combined action of wave tide |
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| CN113639959B (en) * | 2021-10-18 | 2022-02-11 | 中国水产科学研究院渔业工程研究所 | Water tank wave flow generation system with rear-mounted outflow opening |
| US11624678B1 (en) | 2021-10-18 | 2023-04-11 | Fishery Engineering Research Institute, Chinese Academy Of Fishery Sciences | Tank wave-current generation system with rear-mounted outlet |
| CN114324820A (en) * | 2021-12-07 | 2022-04-12 | 中国电建集团华东勘测设计研究院有限公司 | Test device for simulating overall process of weakening of seabed gas-containing slope and landslide |
| CN116806585A (en) * | 2023-06-30 | 2023-09-29 | 河海大学 | Experimental method for exploring field planting growth of salt-biogas plants under combined action of wave tide |
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