CN214667710U - Extreme wind, rain, wave and flow coupling simulation experiment system - Google Patents
Extreme wind, rain, wave and flow coupling simulation experiment system Download PDFInfo
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- CN214667710U CN214667710U CN202120703917.3U CN202120703917U CN214667710U CN 214667710 U CN214667710 U CN 214667710U CN 202120703917 U CN202120703917 U CN 202120703917U CN 214667710 U CN214667710 U CN 214667710U
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Abstract
The utility model discloses an extreme stormy waves and currents coupling simulation experiment system, include: an experimental water pool; the aerodynamic device is arranged above the experimental water pool and used for blowing air to the upper part of the experimental water pool; the wave generating device is arranged at the upper part of the inner side wall of the experimental water tank so as to form waves on the water surface of the experimental water tank; the wave generating device is arranged on the inner side wall of the experimental water tank and is positioned below the wave generating device so as to enable water in the experimental water tank to form a simulated ocean current; the rain device is arranged on the inner side of the top of the aerodynamic device so as to form simulated rainfall above the experimental water pool. The simulation experiment system can realize the static-dynamic response simulation of the sea-crossing structure, the ocean engineering and the ocean equipment under the extreme condition of the wind-rain-wave-flow coupling action, and can also realize the response simulation of the structure and the equipment under the single-load action.
Description
Technical Field
The utility model relates to a wind engineering, ocean engineering and coast engineering technical field particularly, relate to an extreme stormy waves flow coupling simulation experiment system.
Background
China has abundant ocean resources, but the development and utilization degree is very low, and the ocean resources are advanced to the ocean to serve human beings, so that the method has important significance for the development of economy in China. To comply with the strong ocean strategy, more and more large-scale cross-sea engineering and ocean engineering are being built or are already being built.
Compared with the land environment, the marine environment has high and complex extreme weather frequency, and the research on the static and dynamic response of the structure and the equipment under the coupling action of extreme wind, rain and wave flows is urgent and very necessary for ensuring the safety and the reliability of the structure and the equipment. At present, the existing domestic experimental platform can realize the wind-wave coupling effect, the wave-flow coupling effect and the structural response simulation under the independent effect of various loads, and the simulation of the coupling effect of various loads in an extremely complex environment cannot be realized; in addition, the existing wind load simulation mostly adopts a fan to blow directly on the water surface or a backflow type wind tunnel to blow directly, the wind quality cannot be guaranteed, and the accurate simulation of the unhealthy airflow in the marine environment cannot be realized.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide an extreme stormy waves flow coupling simulation experiment system, this simulation experiment system both can realize cross-sea structure, ocean engineering and ocean and equip the quiet dynamic response simulation under the extreme condition of wind-rain-unrestrained-flow coupling effect, also can realize the structure and equip the response simulation under the single load effect.
In order to achieve the above object, the utility model provides an extreme stormy wave flows coupling simulation experiment system, include:
an experimental water pool;
the aerodynamic device is arranged above the experimental water pool and used for blowing air to the upper part of the experimental water pool;
the wave generating device is arranged at the upper part of the inner side wall of the experimental water tank so as to form waves on the water surface of the experimental water tank;
the wave generating device is arranged on the inner side wall of the experimental water tank and is positioned below the wave generating device so as to enable water in the experimental water tank to form a simulated ocean current;
the rain device is arranged on the inner side of the top of the aerodynamic device so as to form simulated rainfall above the experimental water pool.
Furthermore, the aerodynamic device is a multi-fan active control wind tunnel, the test section of the multi-fan active control wind tunnel is positioned above the experimental water pool, the multi-fan active control wind tunnel is an open type direct current wind tunnel, and a plurality of axial flow fans are installed in the multi-fan active control wind tunnel.
Furthermore, the wave generating device comprises a plurality of push plate type wave generating machines which are distributed on the upper parts of the inner side walls of a plurality of surfaces of the experimental water tank.
Furthermore, the flow generating device is an omnidirectional flow generating device, and the flow generating device and the wave generating device are positioned on the same side of the experimental water tank.
Furthermore, the rain device includes drenching the rain pipe and drenching the rain head, and it installs at aerodynamic device's the top inboard of test section to drench the rain pipe, and the top that drenches the rain head connection and just be located the experiment pond on drenching the rain pipe.
Furthermore, the shower head is a rotatable shower head; the rain pipe is communicated with the experimental water tank.
Furthermore, the device also comprises a wave absorption device which is a slope type wave absorption system, and the wave absorption device is arranged in the experimental water pool and is positioned on the opposite side of the wave generation device.
Furthermore, an isolating device is arranged between the air power device and the experimental water pool.
Furthermore, a liftable rotary bearing platform is arranged at the bottom of the experimental water pool.
Furthermore, a water inlet is formed in one side of the experimental water pool, a water outlet is formed in the bottom of the other side of the experimental water pool, and a drainage pump is arranged at the water outlet.
By applying the technical scheme of the utility model, the air power device is arranged above the experimental water tank to blow air to form simulated ocean airflow, the wave making device is arranged on the upper part of the inner side wall of the experimental water tank to form simulated ocean waves, the flow making device is arranged on the inner side wall of the experimental water tank to form simulated ocean current, and the rain device is arranged above the experimental water tank to simulate rainfall; the simulation experiment system can realize the accurate simulation of wind field, rainfall, wave and ocean current in extremely complex marine environment by mutually matching the devices, can realize the static and dynamic response simulation of a cross-sea structure, marine engineering and marine equipment under the coupling action of wind-rain-wave-current, and can also realize the response simulation of the structure and the equipment under the action of single load.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of the structure of the simulation experiment system of the present invention.
Fig. 2 is the utility model discloses the inner structure schematic diagram of aerodynamic device axial fan section in the simulation experiment system.
Fig. 3 is the structure diagram of the experimental pond in the simulation experiment system of the utility model.
Wherein the figures include the following reference numerals:
1. an experimental water pool; 2. an aerodynamic device; 3. a wave generating device; 4. a flow-making device; 5. a rain device; 6. a wave-absorbing device; 7. a rotary bearing platform can be lifted; 11. a water inlet; 12. a water outlet; 13. draining pump; 21. an axial flow fan; 51. a rain pipe; 52. a shower head.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of the words "a" or "an" and the like in the description and claims of the present application does not denote a limitation of quantity, but rather denotes the presence of at least one. The terms "connected" and "coupled" and the like are not restricted to direct connections, but may be indirectly connected through other intermediate connections. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1 to fig. 3, an extreme wind, rain and wave flow coupling simulation experiment system according to an embodiment of the present invention mainly includes an experiment pool 1, an aerodynamic device 2, a wave generating device 3, a flow generating device 4 and a rain device 5. The aerodynamic device 2 is arranged above the experimental water pool 1 and used for blowing air to the upper part of the experimental water pool 1 to form a simulated ocean airflow; the wave making device 3 is arranged at the upper part of the inner side wall of the experimental water tank 1 and is used for forming simulated ocean waves on the water surface of the experimental water tank 1; the flow making device 4 is arranged on the inner side wall of the experimental water tank 1 and is positioned below the wave making device 3, and is used for enabling water in the experimental water tank 1 to form a simulated ocean current; the rain device 5 is arranged on the inner side of the top of the aerodynamic device 2 and used for spraying water to form simulated rainfall above the experimental water pool 1.
In the extreme wind, rain and wave flow coupling simulation experiment system, the aerodynamic device 2 is arranged above the experiment pool 1 to blow air to form simulated ocean wind flow, the wave making device 3 is arranged on the upper part of the inner side wall of the experiment pool 1 to form simulated ocean waves, the current making device 4 is arranged on the inner side wall of the experiment pool 1 to form simulated ocean current, and the rain device 5 is arranged above the experiment pool 1 to simulate rainfall; the simulation experiment system can realize the accurate simulation of wind field, rainfall, wave and ocean current in extremely complex marine environment by mutually matching the devices, can realize the static and dynamic response simulation of a cross-sea structure, marine engineering and marine equipment under the coupling action of wind-rain-wave-current, and can also realize the response simulation of the structure and the equipment under the action of single load.
Specifically, referring to fig. 1 and 2, the aerodynamic device 2 is specifically a multi-fan active control wind tunnel, a test section of the multi-fan active control wind tunnel is located above the experimental water tank 1, the multi-fan active control wind tunnel is an open direct current wind tunnel, and a plurality of axial flow fans 21 are installed in a fan section of the multi-fan active control wind tunnel. Wind is blown to a test section (namely the upper part of the test water pool 1) of the aerodynamic device 2 by a plurality of axial flow fans 21, and ocean wind flow is simulated. Further, the test section of the aerodynamic device 2 may be configured to be composed of a plurality of test sections that can be assembled, so that the visualization device and the isolation device can be inserted according to the test requirements.
The multi-fan active control wind tunnel can actively control the direction and the speed change of the airflow by controlling the rotating speed of a plurality of small axial flow fans 21. The multi-fan active control wind tunnel can simulate steady flow, single-frequency/multi-frequency wind speed change and wind speed change with spectral characteristics, and is used for wind tunnel tests which are difficult to realize in conventional steady wind tunnels. The axial flow fans 21 can simulate typhoon, downburst and other high turbulence and severe shear natural disasters. The multiple fans actively control the wind tunnel to be equal in length and width to the experimental water pool 1, and the wind height is specifically adjusted according to the height requirement of the rain device 5.
In this embodiment, the wave generator 3 includes a plurality of push plate type wave generators distributed on the upper portion of the inner side wall of the plurality of surfaces of the experimental water tank 1. The wave generating device 3 is used for generating simulated ocean waves on the water surface of the experimental water tank 1. The wave making devices 3 are distributed on three sides of the experimental water pool 1, can be accurately arranged according to specific requirements, and can realize that the wave making angle range is +/-90 degrees. The wave generating device 3 can simulate regular waves such as sine waves, elliptic cosine waves and the like, frequency spectrums (including P-M spectrums, MPM spectrums, B spectrums, J spectrums and port hydrological standard spectrums) commonly used at home and abroad, and irregular waves, oblique waves and multidirectional irregular waves described by user-defined frequency spectrums.
In this embodiment, the flow generator 4 is an omnidirectional flow generator, and the flow generator 4 and the wave generator 3 are located on the same side of the experimental pond 1 and below the wave generator 3. The current generating device 4 is used for generating simulated ocean current, and the ocean current generated by the current generating device 4 can be superposed with the waves generated by the wave generating device 3 to jointly act on the simulated wave current. The flow making device 4 is located below the wave making device 3, can generate an omnidirectional flow field in the experimental water tank 1, has controllable flow speed and flow, and cannot influence the generation of waves of the wave making device 3 on the premise of ensuring the self flow making quality.
In the present embodiment, the shower device 5 includes a plurality of shower pipes 51 and a plurality of shower heads 52. Wherein the rain pipe 51 is arranged at the inner side of the top of the test section of the aerodynamic device 2, and the rain head 52 is connected on the rain pipe 51 and is positioned above the test water tank 1. The shower head 52 is supplied with water through the shower pipe 51, and the shower head 52 ejects the water to form a simulated rainfall above the experimental pond 1.
Furthermore, the rotatable rain head 52 is adopted as the rain head 52, so that the rain angle can be changed at any time in a rain test, the harsh conditions of the real natural environment are reflected in sequence, and the experimental result has higher reference. The rain pipe 51 is communicated with the experimental water tank 1 to provide a required water source for the rain device 5.
In this embodiment, the simulation experiment system further includes a wave absorbing device 6, the wave absorbing device 6 is a slope type wave absorbing system, and the wave absorbing device 6 is disposed in the experiment pool 1 and located on the opposite side (opposite to the bank) of the wave generating device 3. The wave absorbing device 6 is matched with the wave making device 3 and is used for absorbing the pool reflected waves in the experimental pool 1. Specifically, the wave-absorbing device 6 comprises a vertical energy-absorbing net, a horizontal energy-absorbing net, a nylon cable tie and the like, and provides a wave test environment closer to the actual ocean by effectively absorbing wave energy.
In order to make the simulation experiment system more convenient to perform separate wind tunnel test and rain test, in this embodiment, an isolation device (not shown in the figure) is further disposed between the aerodynamic device 2 and the experimental water tank 1. The isolating device is used for separating or communicating the test section of the aerodynamic device 2 with the experimental water pool 1. When the static power response simulation under the coupling action of wind, rain, wave and current is needed, the test section of the aerodynamic device 2 is communicated with the experimental water pool 1 through the isolation device; when the wind tunnel experiment and the rain experiment need to be completed independently, the test section of the aerodynamic device 2 is separated from the experiment pool 1 through the isolation device, and the wind tunnel experiment and the rain experiment can be completed independently in the multi-fan active control wind tunnel during isolation.
Referring to fig. 3, in this embodiment, a liftable rotation platform 7 is further installed at the middle position of the bottom of the experimental pond 1, a structure and equipment are placed on the liftable rotation platform 7 for an experiment, and the lifting height and the rotation angle of the liftable rotation platform 7 can be adjusted according to the experiment requirements.
Referring to fig. 1 and 3, the test water tank 1 is a rectangular water tank, a water inlet 11 is provided at one side of the test water tank 1, a water outlet 12 is provided at the bottom of the other side of the test water tank 1, and a drainage pump 13 is installed at the water outlet 12 for draining water in the test water tank 1.
Generally, the utility model discloses an extreme wind and rain wave flows coupling simulation experiment system through aerodynamic device 2, makes ripples device 3, makes and flow device 4, drenches with rain device 5, disappears mutually supporting of ripples device 6 and isolating device etc. can realize the accurate simulation of wind field, rainfall, wave and ocean current in the extreme complicated marine environment, both can realize striding sea structure, ocean engineering and ocean and equip the static and dynamic response simulation under the coupling of wind-rain-wave-flow, also can realize the structure and equip the response simulation under the single load effect.
The aerodynamic device 2 adopts a multi-fan active control wind tunnel to realize the simulation of a non-stable random process so as to study the unsteady and instantaneous effect of wind on the structure, can simulate the constant flow, the single-frequency/multi-frequency wind speed change and the wind speed change with the frequency spectrum characteristic, and is used for carrying out the wind tunnel test which is difficult to realize in the conventional constant wind tunnel and actively controlling the airflow; the aerodynamic device 2 and the experimental water pool 1 are isolated through an automatic isolation device, so that the wind power system, the water power system and the rain system can work simultaneously to simulate the coupling effect of each load, and the systems can work independently.
The wave making device 3 can generate regular waves such as sine waves, elliptic cosine waves and the like, frequency spectrums (including P-M spectrums, MPM spectrums, B spectrums, J spectrums and port hydrological standard spectrums) commonly used at home and abroad and irregular waves, oblique waves and multidirectional irregular waves described by user-defined frequency spectrums through a computer control system, and wave making machines are respectively arranged on three sides of the experimental water pool 1, so that the wave making angle range can be +/-90 degrees; the flow making device 4 can not only generate a uniform and stable high-quality flow field, but also can not influence the wave generated by the wave making device 3 on the premise of ensuring the flow making quality; the wave absorption device 6 adopts a slope type wave absorption device, and can provide a test environment closer to the actual ocean by effectively eliminating wave energy.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an extreme stormy wave flows coupling simulation experiment system which characterized in that includes:
an experimental water pool (1);
the aerodynamic device (2) is arranged above the experimental water pool (1) and used for blowing air to the upper part of the experimental water pool (1);
the wave generating device (3) is arranged at the upper part of the inner side wall of the experimental water tank (1) and is used for forming waves on the water surface of the experimental water tank (1);
the flow-making device (4) is arranged on the inner side wall of the experimental water tank (1) and is positioned below the wave-making device (3) so as to enable water in the experimental water tank (1) to form a simulated ocean current;
and the rain device (5) is arranged on the inner side of the top of the aerodynamic device (2) so as to form simulated rainfall above the experimental water tank (1).
2. The extreme wind, rain and wave flow coupling simulation experiment system as claimed in claim 1, wherein the aerodynamic device (2) is a multi-fan active control wind tunnel, the test section of the multi-fan active control wind tunnel is located above the experiment water tank (1), the multi-fan active control wind tunnel is an open type direct current wind tunnel, and a plurality of axial flow fans (21) are installed in the multi-fan active control wind tunnel.
3. The extreme storm wave flow coupling simulation experiment system of claim 1, wherein the wave generating device (3) comprises a plurality of push plate type wave generating machines which are distributed on the upper portion of the inner side wall of the plurality of surfaces of the experimental water tank (1).
4. The extreme wind, rain and wave flow coupling simulation experiment system of claim 1, wherein the flow generator (4) is an omnidirectional flow generator, and the flow generator (4) and the wave generator (3) are located on the same side of the experimental water tank (1).
5. The extreme wind, rain and wave flow coupling simulation experiment system according to claim 1, wherein the rain device (5) comprises a rain pipe (51) and a rain head (52), the rain pipe (51) is installed inside the top of the test section of the aerodynamic device (2), and the rain head (52) is connected to the rain pipe (51) and located above the test pool (1).
6. The extreme wind, rain and flow coupled simulation experiment system of claim 5, wherein the rain head (52) is a rotatable rain head (52); the rain pipe (51) is communicated with the experimental water pool (1).
7. The extreme wind, rain and wave flow coupling simulation experiment system according to any one of claims 1 to 6, further comprising a wave absorption device (6), wherein the wave absorption device (6) is a slope type wave absorption system, and the wave absorption device (6) is arranged in the experiment water pool (1) and is located on the opposite side of the wave generation device (3).
8. The extreme wind, rain, wave and flow coupling simulation experiment system of any one of claims 1 to 6, wherein an isolation device is further arranged between the aerodynamic device (2) and the experiment pool (1).
9. The extreme wind, rain and wave flow coupling simulation experiment system of any one of claims 1 to 6, wherein a liftable and rotatable bearing platform (7) is installed at the bottom of the experiment pool (1).
10. The extreme wind, rain and wave flow coupling simulation experiment system according to any one of claims 1 to 6, wherein a water inlet (11) is arranged at one side of the experiment pool (1), a water outlet (12) is arranged at the bottom of the other side of the experiment pool, and a drainage pump (13) is arranged at the water outlet (12).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160214A (en) * | 2021-11-10 | 2022-03-11 | 中国空气动力研究与发展中心空天技术研究所 | Unmanned aerial vehicle extreme environment simulation laboratory |
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2021
- 2021-04-07 CN CN202120703917.3U patent/CN214667710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160214A (en) * | 2021-11-10 | 2022-03-11 | 中国空气动力研究与发展中心空天技术研究所 | Unmanned aerial vehicle extreme environment simulation laboratory |
| CN114160214B (en) * | 2021-11-10 | 2023-10-27 | 中国空气动力研究与发展中心空天技术研究所 | Unmanned aerial vehicle extreme environment simulation laboratory |
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