CN108287055A - A kind of adjustable tidal wave experimental trough device - Google Patents
A kind of adjustable tidal wave experimental trough device Download PDFInfo
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- CN108287055A CN108287055A CN201810089195.XA CN201810089195A CN108287055A CN 108287055 A CN108287055 A CN 108287055A CN 201810089195 A CN201810089195 A CN 201810089195A CN 108287055 A CN108287055 A CN 108287055A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
A kind of adjustable tidal wave experimental trough device, ocean engineering and hydrodynamic experiment studying technological domain.Technical solution:Including:Lift water tank, diversion trench, advection slot, tidal wave traveling slot, spill box and mating water circle device, the lift water tank is connect with diversion trench, one end of the advection slot is connect with the diversion trench, the other end is connect with the tidal wave traveling slot, and the mating water circle device import connect with the spill box, exports and is connect with the lift water tank and the advection slot.Advantageous effect is:The present invention can adjust simulated tidal wave flood tide flow, flood strength, the gulf bottom sloping in bay or river mouth, the gulf mouthful shrinking percentage in bay or river mouth, to accurately simulate required tidal wave.Experimental water in the present apparatus can recycle.Present apparatus scientific structure, dependable performance is easy to use, energy conservation and environmental protection.
Description
Technical field
The present invention relates to ocean engineering and hydrodynamic experiment studying technological domains, and in particular to a kind of adjustable tidal wave experiment
Water tank device.
Background technology
Tidal Movement is the citation form of seawater movement, it is the water level fluctuation phenomenon caused by the fluctuation of tide.
Tidal Movement sphere of action is wide, long action time, to the production and life of people important.It is acted in tidal wave larger
Coastal area, economically developed, the density of population is big, is influenced for a long time by tidal wave, especially bay and Hekou Area, Tidal Movement
It is more strong.Further investigation Tidal Movement preferably develops and uses us its tidal wave resource, and the more effective tidal wave that prevents is brought
Disaster, faster push coastal area national economy development have important meaning.
In the lab, using physical model test method, the effect for simulating tidal wave and works is having for tidal wave research
Effect means.In previous tidal wave experiment, sink cannot control the flood tide flow of tidal wave, and flood strength, gulf bottom sloping, gulf mouthful is shunk
The parameters such as rate, it is difficult to simulate true Tidal Movement, prodigious difficulty is brought to tidal wave experiment.So design one kind can be controlled
The adjustable tidal wave experimental trough of kinds of experiments parameter processed, is current urgent problem.
Invention content
In order to provide a kind of flood tide flow that can control tidal wave, flood strength, gulf bottom sloping, gulf mouthful shrinking percentage is real
It tests accurate simulation Tidal Movement in room and item is provided, the present invention provides a kind of adjustable tidal wave experimental trough device, the device energy ring
Protect, conveniently, the more true practical tidal wave of simulation.
Technical solution is as follows:
A kind of adjustable tidal wave experimental trough device, including:Lift water tank, diversion trench, advection slot, tidal wave traveling slot,
Spill box and mating water circle device, the lift water tank are connect with diversion trench, and one end of the advection slot is led with described
Chute connects, and the other end of advection slot is connect with the tidal wave traveling slot, the mating water circle device import and the overflow
Water tank connects, and two outlets of water circle device are connect with the lift water tank, the advection slot respectively, the tidal wave traveling slot
It is connect with the spill box.
Further, the elevating water case includes lifting pedestal, water tank, flow valve, water gate, the water tank peace
On the lifting pedestal, the flow valve is mounted on the outside of water tank outlet, and the water gate is mounted on flow valve
Outside.
Further, the diversion trench includes concertina type rubber belt I, sink I and rotation axis I, and the rotation axis is mounted in institute
It states on sink I, I bottom of concertina type rubber belt is connect with the rotation axis I, the concertina type rubber belt I and the lifting
The water gate of formula water tank connects.
Further, the advection slot include concertina type rubber belt II, concertina type rubber belt III, sink II, rotation axis II,
Rotation axis III and support base, the sink II are mounted in the support base, and the rotation axis II and rotation axis III are distinguished
Mounted on the both ends of the sink II, the bottom of the concertina type rubber belt II is connect with the rotation axis II, the concertina type
The bottom of rubber belt III is connect with the rotation axis III;The concertina type rubber belt II is connect with the diversion trench, described flexible
Type rubber belt III is connect with the tidal wave traveling slot.
Further, the tidal wave traveling slot includes mating pedestal, crane, Rectangular Water Trough, both sides moving stop, level
Adjusting rod and flowing water Valve, the Rectangular Water Trough are placed on the mating pedestal, and the crane is located at one end of mating pedestal,
And height adjusting is carried out to support Rectangular Water Trough with up-down mode;The both sides moving stop is placed in Rectangular Water Trough length direction
Opposite sides, the levelling lever connect both sides moving stop for changing both sides moving stop angle;The flowing water Valve
Mounted on the side of Rectangular Water Trough.
Further, the spill box is placed on rear side of tidal wave traveling slot, for collecting the reality discharged after the test
It tests and uses water, for testing recycling next time.
Further, the mating water circle device includes water pump, three-dimensional water valve and ducts, and the water pump is mounted on
In the ducts, the three-dimensional water valve is connected with the lift water tank, advection slot, spill box respectively by ducts
It connects.
Further, the lifting pedestal includes steel rectangular metal bar, cylindrical metal bar and hand hydraulic hoisting device
It forms the steel rectangular metal bar two-by-two to intersect, be flexibly connected by the cylindrical metal bar, the hand hydraulic hoisting
Device is placed between steel rectangular metal bar, the height for adjusting the lifting pedestal.
Further, the diversion trench, advection slot, tidal wave traveling slot side wall be glass.
The beneficial effects of the invention are as follows:
Adjustable tidal wave experimental trough device of the present invention can adjust simulated tidal wave flood tide flow, flood current
The gulf mouthful shrinking percentage in the gulf bottom sloping in speed, bay or river mouth, bay or river mouth, to accurately simulate required tidal wave;
Experimental water in the present apparatus can recycle.Present apparatus scientific structure, dependable performance is easy to use, energy conservation and environmental protection.
1, in the present invention, the flood strength of tidal wave can freely be adjusted by the height of lift water tank;It can be in flood tide
In the case that flow is constant, change the flood strength of tidal wave, to simulate true tidal wave situation.
2, the present invention can be controlled the size of lift water tank water flow, simulated by the size of change flow valve
The tidal wave flow being consistent with virtual condition.
3, the present invention can change the inclination angle of tidal wave traveling slot by adjusting the height of tidal wave traveling slot crane;From
And the bay or river mouth of different gradient are simulated in test, compensate for the deficiencies in the prior art.
4, in the present invention, the shrinking percentage in bay or river mouth can pass through the angle of change traveling wave sink both sides moving stop
It is simulated;In practical operation, only need to rotate levelling lever can easily adjust, easy to operate, highly effective.
5, adjustable tidal wave experimental trough of the invention is furnished with circulating water device;After primary experiment, it can pass through
Water is delivered to lift water tank by circulating water device, for testing use next time;Energy conservation and environmental protection avoids wasting.
Description of the drawings
Fig. 1 is the structural upright schematic diagram of the adjustable tidal wave experimental trough device of the present invention;
Fig. 2 is the structure schematic side view of the adjustable tidal wave experimental trough device of the present invention;
Fig. 3 is the structural upright schematic diagram for the lift water tank that structure of the invention number is 1;
Fig. 4 is the structural upright schematic diagram for the diversion trench that structure of the invention number is 2;
Fig. 5 is the structural upright schematic diagram for the advection slot that structure of the invention number is 3;
Fig. 6 is the structural upright schematic diagram for the tidal wave traveling slot that structure of the invention number is 4;
Fig. 7 is the structural plan schematic diagram for the circulating water device that structure of the invention number is 6;
Fig. 8 is the structural upright schematic diagram for the lifting pedestal that structure of the invention number is 11;
Fig. 9 is the structural profile illustration for the levelling lever that structure of the invention number is 45;
In figure:
1. lift water tank, 2. diversion trenches, 3. advection slots, 4. tidal wave traveling slots;5. spill box, 6. mating water cycle dresses
It sets;
11. lifting pedestal, 12. water tanks, 13. flow valves, 14. water gates;
21. concertina type rubber belt I, 22. sinks I, 23. rotation axis I;
31. concertina type rubber belt II, 32. concertina type rubber belts III, 33. sinks II, 34. rotation axis II, 35. rotation axis
III, 36. support bases;
41. mating pedestal, 42. cranes, 43. Rectangular Water Troughs, 44. both sides moving stops, 45. levelling levers, 46. go out
Penstock;
61. water pump, 62. three-dimensional water valves, 63-66. pipelines.
Specific implementation mode
Embodiment 1
Following example is described in further detail to the present invention, and embodiment is before being with technical solution of the present invention
It puts and is implemented.This gives detailed embodiment and specific operation process, make the embodiment of the present invention purpose,
Technical solution and advantage are clearer.But given embodiment should not be understood as limiting the scope of the invention, therefore
The nonessential modifications and adaptations that content and design philosophy according to the present invention are made should also belong to the scope of protection of the present invention.
This adjustable tidal wave experimental trough experimental provision includes lift water tank 1, diversion flume 2, puts down as shown in Figure 1 and Figure 2
Gutter channel 3, tidal wave traveling slot 4, spill box 5, mating water circle device 6.
Elevating water case as shown in Figure 3 includes lifting pedestal 11, water tank 12, flow valve 13, water gate 14.Such as Fig. 8 institutes
The lifting pedestal shown is made of 6 steel rectangular metal bars and 4 cylindrical metal bars with hand hydraulic hoisting device.Pass through adjusting
Hydraulic jack adjusts the height of lift water tank.Water tank 12 is steel square chest, top uncovered, under sink side
End manufactures tidal wave equipped with square orifice door to sluice.Flow valve 13 is located at mouth outer side of door by the both sides Kou Men valve pool and valve group
At controlling the size of water flow by up and down adjustment valve.Water gate 14 is installed on the outside of flow valve, when water gate is opened
When water tank in water release, formed tidal wave.
Diversion flume as shown in Figure 4 includes concertina type rubber belt I 21, sink I 22, rotation axis I 23.Wherein concertina type rubber
I 21 shape of belt is sector, and material is rubber, mainly for connection water channel and prevents leak.Side opening on sink I 22, side
Wall is glass material, can facilitate observation experiment phenomenon.
Advection sink as shown in Figure 5 includes concertina type rubber belt II 31, concertina type rubber belt III 32, and sink II 33 turns
Moving axis II 34, rotation axis III 35, mating support base 36.Wherein concertina type rubber belt II 31, concertina type rubber belt 32 and water conservancy diversion
21 in sink are identical, and rotation axis II 34, rotation axis III 35 are identical as 23 in diversion flume.II 33 side wall material of sink is glass
Glass, upper side opening.Support base 36 is made of angle steel.
Tidal wave traveling slot as shown in FIG. 6 by mating pedestal 41, crane 42, Rectangular Water Trough 43, both sides moving stop 44,
Levelling lever 45, flowing water Valve 46 form.Mating pedestal 41 is made of angle steel, and upside keeps horizontal.Crane 42 is located at and matches
The tail portion for covering pedestal, is made of rectangular metal bar, rises valence frame and is furnished with hand hydraulic hoisting device, can freely adjust crane height
Degree.Side opening in Rectangular Water Trough 43, side wall are glass material, and the tail portion of sink is equipped with groove, for placing crane.Work as lifting
When frame is put down completely, traveling sink is in horizontality.44 front end of moving stop of both sides and the front end vertical wall of Rectangular Water Trough,
By rotating axis connection.Levelling lever 45 as shown in Figure 9 is connect with the both sides side wall and moving stop of Rectangular Water Trough.It is horizontal
Screw thread is carved on adjusting rod, when adjusting rod rotates, the tail portion of the moving stop of both sides moves round about with adjusting rod,
The angle of two moving stops also changes correspondingly.Flowing water Valve 46 is mounted on the tail portion of Rectangular Water Trough, when the valve is open, in sink
Water exit into spill box 5.
Spill box 5 is steel square chest, and upper side opening, side wall is connected with pipeline 63.
Mating water circle device as shown in Figure 7 is connected by water pump 61, three-dimensional water valve 62, pipeline 63,64,65,66.Work as water
When pump is opened, water flows to 64 by pipeline 63.Three-dimensional water valve can be with the flow in control pipeline 64 to 65 or 66.Water in wherein 65
Lift water tank 1 is flowed into, the flow in pipeline 66 is to advection sink 3.
The specific works step of adjustable tidal wave experimental trough device provided in this embodiment is as follows:
According to the gradient in bay or river mouth, tidal wave traveling slot crane 42 is adjusted, tidal wave traveling slot is adjusted to required angle
Degree.When it is flat bay to simulate bay, without rising crane, the slot of tidal wave traveling at this time is in flat condition.Rotation tide
Wave traveling slot levelling lever 45 is allowed to equal with the shrinking percentage in gulf mouthful to adjust 44 angle of both sides moving stop.
Valve 62 is adjusted to 66 water flowing state of pipe, opens water pump 61, the water in sink is added into hydrostatic level needed for experiment.
The elevation carrection of water level is needed in water surface calmness, the elevation of liquid level under water-meter reading face.Then valve 63 is adjusted to pipe 65
Water flowing state opens water pump 62, the water in lift water tank is added to requirement of experiment liquid level.
According to tidal wave flow velocity needed for experiment, lifting pedestal 11 is adjusted by hydraulic jack, to control lift water tank
12 height.According to tidal wave flow needed for experiment, the openings of sizes of flow valve 13 is adjusted, to control the flood tide flow of tidal wave.It adjusts
After the completion of section, the liquid surface static in sink is waited for.Then water gate 14 is opened, the water in water tank releases, and is flowed by diversion trench 2
Advection slot 3 forms the tidal wave needed for experiment in tidal wave traveling slot 4, and records experimental phenomena later.
After the end of the experiment, first tidal wave crane is minimized, the flowing water Valve of traveling slot is opened, by the water in sink
It all is expelled to spill box, turns off flowing water Valve.The water gate of lift water tank is closed, and flow valve is closed.
Embodiment 2
A kind of adjustable tidal wave experimental trough device, including:Lift water tank 1, diversion trench 2, advection slot 3, tidal wave are advanced
Slot 4, spill box 5 and mating water circle device 6, the lift water tank 1 are connect with diversion trench 2, one end of the advection slot 3
Connect with the diversion trench 2, the other end is connect with the tidal wave traveling slot 4,6 import of mating water circle device with it is described overflow
The connection of flowing water case 5, outlet are connect with the lift water tank 1 and the advection slot 3.
The lift water tank 1 includes lifting pedestal 11, water tank 12, flow valve 13, water gate 14, the water tank 12
On the lifting pedestal 11, the flow valve 13 is mounted on the outside that water tank 12 exports, and the water gate 14 is installed
In the outside of flow valve 13.Wherein lift pedestal 11 is used for adjusting the height of water tank 12.The present apparatus is by controlling water tank
12 height, to change the potential energy of water body in water tank 12, to control the flood strength of tidal wave.Water tank 12 is rectangular iron
Case, upper end opening, the side-lower towards sink are equipped with rectangular water outlet door.Water tank 12 is used for storing the experiment for generating tidal wave
Use water.Flow valve 13 is located at the outside of 12 mouthfuls of doors of water tank, can control water flow by adjusting the size of its valve.Go out
Sluice 14 is located at the outside of flow valve 13, when the guillotine door was open the water outflow of water tank 12, is existed by 2 peace chute 3 of diversion trench
Tidal wave is formed in tidal wave traveling slot 4.
The diversion trench 2 includes concertina type rubber belt I 21, sink I 22 and rotation axis I 23, and the rotation axis 23 is mounted in institute
State on sink I 22, I 21 bottom of concertina type rubber belt is connect with the rotation axis I 23, the concertina type rubber belt I 21 with
The lift water tank 1 connects.The inclination angle of diversion trench 2 changes automatically with the variation of tank height.
The advection slot 3 include concertina type rubber belt II 31, concertina type rubber belt III 32, sink II 33, rotation axis II 34,
Rotation axis III 35 and support base 36, the sink II 33 be mounted on the support base 36 on, the rotation axis II 34 and turn
Moving axis III 35 is separately mounted to the both ends of the sink II 33, bottom and the rotation axis II of the concertina type rubber belt II 31
34 connections, the bottom of the concertina type rubber belt III 32 is connect with the rotation axis III 35;The concertina type rubber belt II 31 with
The diversion trench 2 connects, and the concertina type rubber belt III 32 is connect with the tidal wave traveling slot 4.The effect of advection slot 3 is will be damp
The angle that wave is advanced is adjusted to horizontal, and it is uniform and stable so that tidal wave is risen.
The tidal wave traveling slot 4 includes mating pedestal 41, crane 42, Rectangular Water Trough 43, both sides moving stop 44, level
Adjusting rod 45 and flowing water Valve 46, the Rectangular Water Trough 43 are placed on the mating pedestal 41, and the crane 42 is located at mating
One end of pedestal 41 is used to support Rectangular Water Trough 43 and carries out height adjusting;The both sides moving stop 44 is placed in Rectangular Water Trough 43
Both sides, the levelling lever 45 connect both sides moving stop 44, for changing 44 angle of both sides moving stop;The water outlet
Valve 46 is mounted on the side of Rectangular Water Trough 43.By adjusting the height of crane 42, to control the inclination of tidal wave traveling slot 4
Angle.During the experiment, the inclination angle of tidal wave traveling slot 4 is corresponding with the slope angle in the bay, river mouth simulated.The tail portion of sink is set
Fluted, the upper end of crane 42 is located among groove, and when crane 42 is put down completely, tidal wave traveling slot 3 is in horizontal
State.On the inside of the left and right of Rectangular Water Trough 43, there are one vertical moving stops for each dress.The front end of baffle front end and Rectangular Water Trough 43
Vertical wall, by rotating axis connection.The rear end of two baffles is connected by levelling lever 45 with 43 side wall of Rectangular Water Trough.It is horizontal
It is carved with screw thread on adjusting rod 45, can change the spacing of 44 tail portion of both sides moving stop by rotating levelling lever 45, to
Adjust the angle of both sides moving stop 44.Moving stop 44 angle in both sides is according to the gulf in simulated bay or river mouth mouthful shrinking percentage
It determines.Flowing water Valve 46 is mounted on the rearward position of tidal wave traveling slot 4, is mainly used to after experiment, will be in Rectangular Water Trough 43
Experimental water is discharged into spill box 5.
The spill box 5 is placed on 4 rear side of tidal wave traveling slot, for collecting the experimental water discharged after the test,
For testing recycling next time.
The mating water circle device 6 includes water pump 61, three-dimensional water valve 62 and ducts, and the water pump 61 is mounted on institute
State in ducts, the three-dimensional water valve 62 by ducts respectively with the lift water tank 1, advection slot 3, spill box
5 connections.Water pump 61 can extract the water in spill box 5 out.Three-dimensional water valve 62 can control the experimental water of spill box, stream
Enter in lift water tank 1 or advection slot 3.
The lifting pedestal 11 includes described in steel rectangular metal bar, cylindrical metal bar and hand hydraulic hoisting device composition
Steel rectangular metal bar intersects two-by-two, is flexibly connected by the cylindrical metal bar, and the hand hydraulic hoisting device is placed in steel
Between rectangular metal bar processed, it to be used for the height of the lifting pedestal 11.
The diversion trench 2, advection slot 3, tidal wave traveling slot 4 side wall be glass.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope of present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of adjustable tidal wave experimental trough device, which is characterized in that including:Lift water tank (1), diversion trench (2), advection
Slot (3), tidal wave traveling slot (4), spill box (5) and mating water circle device (6), the lift water tank (1) and diversion trench
(2) it connects, one end of the advection slot (3) is connect with the diversion trench (2), the other end of advection slot (3) and the tidal wave row
It is connected into slot (4), mating water circle device (6) import is connect with the spill box (5), water circle device (6) two
Outlet is connect with the lift water tank (1), the advection slot (3) respectively, the tidal wave traveling slot (4) and the spill box
(5) it connects.
2. adjustable tidal wave experimental trough device according to claim 1, it is characterised in that:The lift water tank (1)
Including lifting pedestal (11), water tank (12), flow valve (13), water gate (14), the water tank (12) is mounted on the liter
It drops on pedestal (11), the flow valve (13) is mounted on the outside of water tank (12) outlet, and the water gate (14) is mounted on stream
Measure the outside of valve (13).
3. adjustable tidal wave experimental trough device according to claim 1, it is characterised in that:The diversion trench (2) includes
Concertina type rubber belt I (21), sink I (22) and rotation axis I (23), the rotation axis (23) is on the sink I (22), institute
It states concertina type rubber belt I (21) bottom to connect with the rotation axis I (23), the concertina type rubber belt I (21) and the lifting
The water gate (14) of formula water tank (1) connects.
4. adjustable tidal wave experimental trough device according to claim 1, it is characterised in that:The advection slot (3) includes
Concertina type rubber belt II (31), concertina type rubber belt III (32), sink II (33), rotation axis II (34), rotation axis III (35) and
Support base (36), the sink II (33) are mounted in the support base (36), the rotation axis II (34) and rotation axis
III (35) are separately mounted to the both ends of the sink II (33), bottom and the rotation axis of the concertina type rubber belt II (31)
II (34) connect, and the bottom of the concertina type rubber belt III (32) is connect with the rotation axis III (35);The concertina type rubber
Band II (31) is connect with the diversion trench (2), and the concertina type rubber belt III (32) connect with the tidal wave traveling slot (4).
5. adjustable tidal wave experimental trough device according to claim 1, it is characterised in that:The tidal wave traveling slot (4)
Including mating pedestal (41), crane (42), Rectangular Water Trough (43), both sides moving stop (44), levelling lever (45) and go out
Penstock (46), the Rectangular Water Trough (43) are placed on the mating pedestal (41), and the crane (42) is located at mating pedestal
(41) one end, and height adjusting is carried out to support Rectangular Water Trough (43) with up-down mode;The both sides moving stop (44) is set
In the opposite sides of Rectangular Water Trough (43) length direction, levelling lever (45) the connection both sides moving stop (44) is for changing
Become both sides moving stop (44) angle;The flowing water Valve (46) is mounted on the side of Rectangular Water Trough (43).
6. adjustable tidal wave experimental trough device according to claim 1, it is characterised in that:The spill box (5) is put
It sets on rear side of tidal wave traveling slot (4), for collecting the experimental water discharged after the test, for testing recycling next time.
7. adjustable tidal wave experimental trough device according to claim 1, it is characterised in that:The mating water circle device
(6) include water pump (61), three-dimensional water valve (62) and ducts, the water pump (61) is mounted in the ducts, described
Three-dimensional water valve (62) is connect with the lift water tank (1), advection slot (3), spill box (5) respectively by ducts.
8. adjustable tidal wave experimental trough device according to claim 2, it is characterised in that:Lifting pedestal (11) packet
Steel rectangular metal bar, cylindrical metal bar and the hand hydraulic hoisting device composition steel rectangular metal bar is included two-by-two to intersect,
It is flexibly connected by the cylindrical metal bar, the hand hydraulic hoisting device is placed between steel rectangular metal bar, for adjusting
Save the height of the lifting pedestal (11).
9. according to the adjustable tidal wave experimental trough device of claim 1-8 any one of them, it is characterised in that:The diversion trench
(2), advection slot (3), tidal wave traveling slot (4) side wall be glass.
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CN108287055B CN108287055B (en) | 2020-04-14 |
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CN112382186A (en) * | 2020-09-27 | 2021-02-19 | 山东大学 | Multifunctional experimental water tank |
CN112432762A (en) * | 2021-01-06 | 2021-03-02 | 福州大学 | Device for tsunami wave research by detachable water channel matched with movable water tank |
CN112629818A (en) * | 2021-01-06 | 2021-04-09 | 福州大学 | Hydraulic elevator and PIV (particle image velocimetry) combined tsunami wave experimental device for measuring and controlling wave velocity |
CN113340384A (en) * | 2021-05-28 | 2021-09-03 | 昆明理工大学 | Non-contact flow measurement method inspection device for open scene |
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