Multifunctional experimental device capable of realizing wind wave coupling effect

Abstract

The invention discloses a multifunctional experimental device capable of realizing a wind wave coupling effect, which comprises a deep water experimental area, a transition experimental area and a shallow water experimental area, and is characterized in that a lifting floating bottom mounted at the bottom of a water tank can simulate the elevation change from a deep sea to a shallow sea seabed; a wind generating system is assembled above the water tank and is matched with the flow guide arrays on the two sides to provide a high-quality wind field for the experimental water tank; the L-shaped wave maker can make multi-directional irregular waves, the wave flow experiment water tank and the wind making system are used for constructing a target joint field required by an experiment, and the whole process that the waves are gradually propagated from deep sea to shallow sea under the wind wave coupling effect can be achieved. The device has multiple functions of wind generation, wave generation, current generation and the like, has the function of simulating various load factors which mainly influence ocean engineering structures, and compared with an existing experimental device, the device can achieve the real wind and wave coupling effect, more truly and completely simulate the whole process of ocean wave propagation, and the experimental device has the advantages of being simple in structure and convenient to use. And a more accurate marine simulation environment is provided for experiments.

Description

Technical Field

[0001] The present invention relates to the technical field of deep - sea engineering experimental devices, and particularly relates to a multi - functional experimental device capable of realizing the coupling effect of wind and waves. Background Art

[0002] Ocean engineering is usually affected by complex marine environmental loads, which poses high requirements for the design, construction, and maintenance of engineering structures. In order to deeply understand the impact of the marine environment on structures, it is very necessary to carry out relevant physical experiments. The wind - wave coupling experimental device can simulate the real offshore wind - wave environment, which helps to promote the development of the ocean engineering field and improve the safety of ocean engineering structures.

[0003] Currently, domestic laboratories usually use devices such as fans and wave flumes to simulate wind loads and wave loads, and apply the wind load and wave load to the structure simultaneously. In this method, the wind and waves are independent of each other, without a clear coupling relationship. What is achieved is the combined action of wind and waves on the structure, rather than the true wind - wave coupling effect on the structure, thus limiting the accuracy and reliability of the experiment.

[0004] Therefore, there is an urgent need for a wind - wave coupling experimental device that can simulate the real offshore wind - wave environment to meet the experimental needs of researchers, and then better carry out experimental research and technological innovation in related ocean fields. Summary of the Invention

[0005] The purpose of the present invention is to provide a multi - functional experimental device capable of realizing the coupling effect of wind and waves, which synchronously conducts experimental simulations of multi - factor combined actions, significantly improves the design accuracy, realizes the wind - wave coupling effect on the structure, and simulates the real offshore wind - wave environment.

[0006] To achieve the above - mentioned purpose, the technical solution of the present application is: a multi - functional experimental device capable of realizing the coupling effect of wind and waves, comprising:

[0007] A wave - current experimental flume, which is a containing cavity capable of holding a large amount of water, and its top is an open structure; inside the flume, there are a deep - water experimental area, a transition experimental area, and a shallow - water experimental area arranged in sequence according to the wind direction; with a length of kilometer - level, providing sufficient time and space for the wind - wave coupling.

[0008] A fan array, arranged above the wave - current experimental flume, used to provide a wind field with preset conditions required for the experiment above the water body.

[0009] A flow - guiding array, respectively arranged at the inlet end and the outlet end of the wind field, for guiding and controlling the wind generated by the fan array.

[0010] A current - generating array, communicated with the containing cavity of the wave - current experimental flume, used for generating a current and completing the circulation of the water body in the wave - current experimental flume through a return passage.

[0011] A wave-making array, which is arranged in a wave-current experimental flume and generates waves with different periods and wave heights in the water body;

[0012] A wave-dissipating plate, which is located in the wave-current experimental flume and is used for dissipating the energy of the generated waves, and can avoid the influence of wave reflection on the experimental area;

[0013] A shaking table, which is installed in the shallow-water experimental area and simulates different intensities of seismic loads required for the experiment;

[0014] A lifting floating bottom, which is located in the wave-current experimental flume and is used for simulating different changes in experimental water depths and simulating the change in seabed elevation from the deep sea to the shallow sea.

[0015] Furthermore, two or more groups of the fan arrays are provided and fixed above the wave-current experimental flume, and the diversion arrays are located on both sides of the fan arrays.

[0016] Furthermore, the current-making array is located below the wind field inlet end and is attached to the outer wall surface of the wave-current experimental flume.

[0017] Furthermore, the wave-making array is an L-shaped wave maker, which is respectively located in the deep-water experimental area and the shallow-water experimental area and is attached to the inner wall surface of the wave-current experimental flume.

[0018] Furthermore, the current-making array is arranged below the wave-making array in the deep-water experimental area.

[0019] Still further, a floating bottom support rod is provided below the lifting floating bottom, and the floating bottom support rod is fixed in the foundation.

[0020] Still further, the shaking table is installed at the bottom of the shallow-water experimental area and fixed in the foundation.

[0021] Still further, the lifting floating bottom is located in the deep-water experimental area and the transition experimental area.

[0022] As still further, the height of the lifting floating bottom is manually controlled. Through the sloping lifting floating bottom section in the transition experimental area, the deep-water experimental area and the shallow-water experimental area are connected and the change in the elevation of the real seabed is simulated;

[0023] As still further, the wind generated by the fan arrays is guided and controlled by the diversion arrays and enters the experimental area above the wave-current experimental flume through the wind field inlet; at the same time, the wave-making array synchronously generates a wave field of regular waves and irregular waves in multiple directions; the wind flowing through the experimental area returns to the position where the fan arrays are located after being guided by the wind field outlet and the diversion arrays, realizing the cyclic reciprocation of the wind field in the experimental area.

[0024] Due to the adoption of the above technical solutions, the present invention can achieve the following technical effects:

[0025] 1. The wind tunnel above the wave-current experimental flume can generate a high-quality wind field. The L-type wave generators on both sides of the flume can generate multi-directional irregular waves. The current generation array in the deep-water experimental area can act together with the wind tunnel, wave generators, etc. to realize the coupled action of wind and waves on the structure and simulate the real offshore wind-wave environment.

[0026] 2. By combining the atmospheric boundary layer wind tunnel with the deep flume, the synchronous reproduction of sea waves and sea breeze is realized, breaking through the current experimental simulation ability that mainly considers single-factor action and synchronously carrying out the combined action of multi-factors, and significantly improving the design accuracy.

[0027] 3. The floating bottom of the wave-current experimental flume can adjust the water depth to meet the requirements of different water depths in the test. At the same time, it can simulate the whole process of wave generation in the open sea and gradual propagation to the shallow sea under the coupled action of wind and waves. Description of the Drawings

[0028] Figure 1 It is a cross-sectional view of a multi-functional experimental device capable of realizing the coupled action of wind and waves;

[0029] Figure 2 It is a top view of a multi-functional experimental device capable of realizing the coupled action of wind and waves;

[0030] Explanation of the numbers in the figure: 1, foundation; 2, lifting floating bottom; 3, floating bottom support rod; 4, shaking table; 5, deep-water experimental area; 6, transition experimental area; 7, shallow-water experimental area; 8, fan array; 9, current generation array; 10, diversion array; 11, L-type wave generator; 12, partition board; 13, return flow path. Detailed Embodiment

[0031] Hereinafter, the principles of the present disclosure will be described with reference to several exemplary embodiments shown in the drawings. Although the preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the description of these embodiments is only for enabling those skilled in the art to better understand and thus implement the present disclosure, rather than limiting the scope of the present disclosure in any way.

[0032] Refer to Figure 1-2 , this embodiment provides a multi-functional experimental device capable of realizing the coupled action of wind and waves, including a foundation 1, a wave-current experimental flume, a lifting floating bottom 2, a floating bottom support rod 3, a shaking table 4, a current generation array 9, a fan array 8, a diversion array 10, an L-type wave generator 11, a partition board 12, and a return flow path 13. The partition board 12 is placed in the wave-current experimental flume to separate the water body. The wave-current experimental flume is internally provided with a deep-water experimental area, a transition experimental area, and a shallow-water experimental area in sequence according to the wind direction; the wind tunnel system above the wave-current experimental flume includes a fan array 8 and a diversion array 10; a lifting floating bottom 2 is arranged at the bottom of the deep-water experimental area 5 and the transition experimental area 6, a shaking table 4 is arranged at the bottom of the shallow-water experimental area 7, and L-type wave generators 11 are arranged on both sides of the flume.

[0033] The fan array 8 can generate a high-intensity wind field and guide the wind flow through the diversion array 10. It can use flow deflectors to reduce the influence of turbulence. The diversion array guides the high-quality wind field into the wind field inlet and conducts guidance and control, providing a high-precision simulation of offshore wind loads for the experiment. The diversion arrays are respectively located at the air inlet and the air outlet. The L-shaped wave maker can generate multi-directional irregular waves to simulate offshore wave loads; the flow generation array 9 is located below the L-shaped wave maker 11 to provide the required stable flow field for the experiment.

[0034] The lifting floating bottom 2 can be lifted to a specified depth position according to the requirements of the experimental water depth change. All the equipment and facilities for model experiments need to be installed on the floating bottom platform; the shaking table 4 can achieve a high-precision simulation of different levels of seismic loads according to the test requirements; the transition test area 6 and the lifting floating bottom 2 act jointly to connect and penetrate the deep-water test area 5 and the shallow-water test area 7, simulating the seabed topography change from the deep sea to the shallow sea.

[0035] The wind field provided by the fan array 8 of the present invention enters and exits the water tank test area through the diversion array 10, and acts jointly with the L-shaped wave maker 11 and the flow generation array, enabling the whole process of wave generation at the deep sea and gradually spreading from the deep sea to the shallow sea under the coupling action of wind and waves, and finally breaking in the shallow-water test area 7, providing a more real and accurate offshore environment for the experiment.

[0036] The present invention includes various functions such as wind generation, wave generation, and flow generation, and has the simulation function of various load factors that mainly affect ocean engineering structures. Compared with the existing experimental devices, the present invention can achieve a true wind-wave coupling effect and more realistically and completely simulate the whole process of offshore wave propagation.

[0037] The above description is only an optional embodiment of the present disclosure and is not intended to limit the present disclosure. For those skilled in the art, the present disclosure can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included within the protection scope of the present disclosure.

[0038] Although the claims in the present application have been formulated for specific combinations of features, it should be understood that the scope of the present disclosure also includes any novel feature or any novel combination of features that are explicitly or implicitly disclosed herein or any generalization thereof, regardless of whether it relates to the same solution in any of the currently claimed claims.

Claims

1. A multifunctional experimental device capable of realizing the coupling effect of wind and waves, characterized in that, Including: A wave and current experimental flume, which is a containment chamber capable of holding water, with an open structure at the top; inside the flume, there are a deep-water experimental area, a transition experimental area, and a shallow-water experimental area arranged in the wind direction in sequence; with a length of kilometer level, providing sufficient time and space for wind-wave coupling. A wind turbine array, arranged above the wave and current experimental flume, used to provide a wind field with preset conditions required for the experiment above the water body. A flow guiding array, respectively arranged at the inlet end and the outlet end of the wind field, for guiding and controlling the wind generated by the wind turbine array. A current generating array, communicated with the containment chamber of the wave and current experimental flume, used for generating current and completing the circulation of water in the wave and current experimental flume through a return passage. A wave generating array, arranged in the wave and current experimental flume, generating waves with different periods and wave heights for the water body. A wave dissipating plate, located in the wave and current experimental flume, used for dissipating the energy of the generated waves. A shaking table, installed in the shallow-water experimental area, providing different intensities of seismic loads required for experimental simulation. A lifting floating bottom, located in the wave and current experimental flume, used for simulating different experimental water depth changes and simulating the seabed elevation changes from the deep sea to the shallow sea.

2. The multifunctional experimental device capable of realizing the coupling effect of wind and waves according to claim 1, characterized in that, Two or more groups of the wind turbine arrays are provided, fixed above the wave and current experimental flume, and the flow guiding array is located on both sides of the wind turbine array.

3. The multifunctional experimental device capable of realizing the coupled action of wind and waves according to claim 1, characterized in that, The current generating array is located below the inlet end of the wind field and fits the outer wall surface of the wave and current experimental flume.

4. A multifunctional experimental device capable of realizing the coupling effect of wind and waves according to claim 3, characterized in that, The wave generating array is an L-shaped wave generator, respectively located in the deep-water experimental area and the shallow-water experimental area, and fits the inner wall surface of the wave and current experimental flume.

5. The multifunctional experimental device capable of realizing the coupling effect of wind and waves according to claim 4, characterized in that, The current generating array is arranged below the wave generating array in the deep-water experimental area.

6. The multifunctional experimental device capable of realizing the coupling effect of wind and waves according to claim 1, characterized in that, Below the lifting floating bottom is a floating bottom support rod, and the floating bottom support rod is fixed in the foundation.

7. The multifunctional experimental device capable of realizing the coupling effect of wind and waves according to claim 1, wherein, The shaking table is installed at the bottom of the shallow-water experimental area and fixed in the foundation.

8. The multifunctional experimental device capable of realizing the coupling effect of wind and waves according to claim 1, wherein The lifting floating bottom is located in the deep-water experimental area and the transition experimental area.

9. The multifunctional experimental device capable of realizing the coupling effect of wind and waves according to claim 8, wherein, The height of the lifting floating bottom is manually controlled. Through the sloping lifting floating bottom section in the transition experimental area, it connects the deep-water experimental area and the shallow-water experimental area, and simulates the elevation change of the real seabed.

10. The multifunctional experimental device capable of realizing the coupled action of wind and waves according to claim 1, characterized in that, The wind generated by the wind turbine array is guided and controlled by the flow guiding array, enters the experimental area above the wave and current experimental flume through the wind field inlet; at the same time, the wave generating array synchronously generates a wave field of regular waves and irregular waves in multiple directions; the wind flowing through the experimental area returns to the position where the wind turbine array is located after being guided by the wind field outlet and the flow guiding array, realizing the cyclic reciprocation of the wind field in the experimental area.

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