CN-121994452-A - Wave current pond experiment platform of multi-functional wave current coupling

CN121994452ACN 121994452 ACN121994452 ACN 121994452ACN-121994452-A

Abstract

The application discloses a wave flow water tank experiment platform with multifunctional wave flow coupling, which relates to the field of bridge engineering experiments, and comprises a wave generation system, a flow generation system and a water tank, wherein the flow generation system comprises a main control machine, a flow generation output unit and a flow generation circulation pipeline which are sequentially connected, the wave generation system is used for controlling the experimental water quantity in the water tank, the wave generation system comprises a push plate type wave generator and a wave generation control unit which are mutually connected, the wave height and the period of experimental water waves in the water tank are controlled, the water tank comprises a single L-shaped wave generation gallery, a double L-shaped flow generation gallery, an experiment area, a water tank, an outflow unit and an energy dissipation unit, and the wave flow water tank is used for bearing experimental water and experimental parts and controlling the inlet and outlet of experimental water.

Inventors

LI YONGLE
ZHANG MINGJIN
ZHANG WENBO
WEI KAI
WANG WEI
TI ZILONG
ZHANG JINXIANG

Assignees

西南交通大学

Dates

Publication Date: 20260508
Application Date: 20260409

Claims (9)

1. The utility model provides a multi-functional wave current pond experiment platform of wave current coupling which characterized in that, the experiment platform includes: wave making system, flow making system and water pool; the system comprises a main control machine, a flow-making output unit and a flow-making circulation pipeline, wherein the main control machine, the flow-making output unit and the flow-making circulation pipeline are sequentially connected; the wave-making system comprises a push plate type wave-making machine, a wave-making control unit, a wave height control unit and a wave height control unit, wherein the push plate type wave-making machine and the wave-making control unit are connected with each other; the water tank comprises a single L-shaped wave making gallery, a double L-shaped flow making gallery, an experiment area, a water tank, an outflow unit and an energy dissipation unit, and is used for bearing experiment water and experiment pieces and controlling the inlet and outlet of the experiment water.
2. The multi-functional wave-stream coupled wave-stream pool experimental platform of claim 1, wherein said flow-making system further comprises: A main control machine; generating corresponding flow-making control signals for the multi-directional flow simulated by the multi-directional flow simulation software; The flow-making output unit comprises a bidirectional flow-making water pump, an electromagnetic flowmeter and a flow-making frequency-changing cabinet, wherein the flow-making frequency-changing cabinet is electrically connected with the bidirectional flow-making water pump and controls the electromagnetic flowmeter to output flow-making corresponding to the flow through a flow-making control signal to a valve; the flow-making and circulating pipeline is used for communicating flow making in the valve to the guide pipe.
3. The wave-stream pool experimental platform of a multi-functional wave-stream coupling of claim 1, wherein said wave-making system further comprises: The device comprises a wave generation control unit, a push plate type wave generator, a control unit and a control unit, wherein the wave generation control unit comprises a control computer, multidirectional irregular wave software and an upper controller and a lower controller, and is used for selecting corresponding experimental parameters based on an operation interface generated by the control computer, generating a controller instruction through the multidirectional irregular wave software and sending the generated controller instruction to the push plate type wave generator through the upper controller and the lower controller; The push plate type wave generator comprises a wave generator post-energy absorber, a wave generator unit body and a wave generator push plate which are connected in sequence, wherein the push plate type wave generator is used for controlling the wave generator unit body and the wave generator push plate to control experimental water to correspond to waves with wave height and period based on controller instructions generated by the wave generator control unit.
4. A multi-functional wave-stream coupled wave-stream pool experimental platform according to claim 3, wherein said wave generator post-absorber further comprises: The energy dissipation chamber of the wave generator back energy dissipation device is internally filled with a porous medium, and kinetic energy and potential energy of backward waves are converted into internal energy generated by water flowing through the porous medium.
5. The experimental platform of a wave-stream pool with coupling of a multi-functional wave stream according to claim 4, wherein the double-L-shaped flow-making gallery comprises a first L-shaped flow-making gallery and a second L-shaped flow-making gallery which are formed by adjacent sides of the experimental platform; each side of the experiment platform corresponds to one flow making gallery, and the flow making galleries are a first flow making gallery, a second flow making gallery, a third flow making gallery and a fourth flow making gallery respectively; Each flow making gallery comprises a pressed gallery, a valve gallery and a water inlet and outlet gallery which are connected in sequence; The first L-shaped flow making gallery comprises a first flow making gallery and a fourth flow making gallery which are communicated with each other; the second L-shaped flow making gallery comprises a second flow making gallery and a third flow making gallery which are communicated with each other.
6. The experimental platform of a wave-stream pool with coupling of multi-functional wave streams according to claim 5, wherein the single-L-shaped wave-making gallery comprises a plurality of push plate type wave-making machines which are sequentially arranged along the outer wall of the valve gallery corresponding to the first flow-making gallery and the outer wall of the valve gallery corresponding to the second flow-making gallery; For generating waves of various types in combination with a wave generating system.
7. The multi-functional wave-stream coupled wave-stream pool experimental platform of claim 6, wherein said outflow unit comprises: a flow outlet and a trash rack are arranged along the top end of the third valve gallery and the fourth valve gallery; for entering the tank through the return channel.
8. The wave-stream pool experimental platform of the multi-functional wave-stream coupling according to claim 1, wherein the energy dissipation unit further comprises a groove tail slope type energy dissipation device; The groove tail slope type energy dissipater is provided with an inclined slope body, and the surface of the slope body is provided with a friction contact surface and a plurality of pore structures and is used for dissipating kinetic energy of scattered waves.
9. The multifunctional wave-stream coupled wave-stream pool experimental platform according to claim 1, wherein the experimental area comprises a flushing pit and a model bottom fixing unit; The model bottom fixing unit is used for constructing a simulation area of the submarine topography; The brush pit area is used for carrying out a simulation experiment of basic flushing.

Description

Wave current pond experiment platform of multi-functional wave current coupling Technical Field The application relates to the field of bridge engineering experiments, in particular to a multifunctional wave flow water pool experiment platform for wave flow coupling. Background In the prior art, the deep water bridge is faced with a severe service environment, the coupling effect of environmental factors such as waves, ocean currents, earthquakes and the like seriously affects the safety and service time of the deep water bridge, and a series of problems and challenges are still faced by scientific researchers how to deeply study the negative effects of the coupling effect of the environmental factors such as waves, ocean currents, wind, earthquakes and the like on the safety and normal operation and maintenance of the deep water bridge; The existing wave flow experimental device has the great problems of low control precision, single simulation capability, lagging measurement means and serious model distortion, so that the wave flow water tank capable of realizing high-precision synchronization and coupling of multiple physical fields such as waves, flows and the like and obtaining high-precision and quantitative experimental data is required to be invented, and the real and complex environment condition at the bridge site is simulated. Disclosure of Invention The application aims to provide a multifunctional wave-current pool experimental platform which simulates the dynamic response generated by the actions of waves, ocean currents, scouring, seabed fluctuation and the like of a deepwater cross-sea bridge in a real ocean environment, and can generate various types of waves (such as regular waves and irregular waves) and currents with different directions and different speeds by means of accurate control of a computer, so that the action environments of wave-current coupling loads in the ocean at bridge sites and various ocean engineering structures are reproduced to the greatest extent, the action environments are taken as data points, and the bridge is tested in a dynamic and complex ocean environment from a static civil structure, thereby solving the most critical safety and durability problems in design and construction. In order to achieve the above object, the present application provides the following solutions: in a first aspect, the present application provides a multifunctional wave-stream coupled wave-stream pool experimental platform, comprising: wave making system, flow making system and water pool; the system comprises a main control machine, a flow-making output unit and a flow-making circulation pipeline, wherein the main control machine, the flow-making output unit and the flow-making circulation pipeline are sequentially connected; the wave-making system comprises a push plate type wave-making machine, a wave-making control unit, a wave height control unit and a wave height control unit, wherein the push plate type wave-making machine and the wave-making control unit are connected with each other; the water tank comprises a single L-shaped wave making gallery, a double L-shaped flow making gallery, an experiment area, a water tank, an outflow unit and an energy dissipation unit, and is used for bearing experiment water and experiment pieces and controlling the inlet and outlet of the experiment water. Further, the flow generating system further comprises: A main control machine; generating corresponding flow-making control signals for the multi-directional flow simulated by the multi-directional flow simulation software; The flow-making output unit comprises a bidirectional flow-making water pump, an electromagnetic flowmeter and a flow-making frequency-changing cabinet, wherein the flow-making frequency-changing cabinet is electrically connected with the bidirectional flow-making water pump and controls the electromagnetic flowmeter to output flow-making corresponding to the flow through a flow-making control signal to a valve; the flow-making and circulating pipeline is used for communicating flow making in the valve to the guide pipe. Further, the wave generating system further comprises: The device comprises a wave generation control unit, a push plate type wave generator, a control unit and a control unit, wherein the wave generation control unit comprises a control computer, multidirectional irregular wave software and an upper controller and a lower controller, and is used for selecting corresponding experimental parameters based on an operation interface generated by the control computer, generating a controller instruction through the multidirectional irregular wave software and sending the generated controller instruction to the push plate type wave generator through the upper controller and the lower controller; The push plate type wave generator comprises a wave generator post-energy absorber, a wave generator unit body and a wave generator push plate which are connected in s