A wave-absorbing device for wave tank test

Abstract

The present invention discloses a wave-breaking device for wave flume tests, and the technical scheme thereof is as follows: a wave-breaking device for wave flume tests, comprising an arc panel in contact with a water supply surface, the surface of the arc panel being provided with a plurality of circular holes for water supply and circulation, the arc panel being arranged at an end of the flume away from a wave source, and the arc surface of the arc panel facing the wave source, the arc panel being provided with a plurality of steel meshes, the steel meshes being vertically arranged and fixed to the lower surface of the arc panel, and the steel meshes being evenly arranged along the propagation direction of the wave source, the wave propagating to the arc panel can directly pass through the circular holes, and the water flow is directed to the lower part of the arc panel, avoiding the occurrence of reflection events, and the wave passing through the steel meshes is damped by the steel meshes to weaken the wave reflection effect. The present invention achieves the purpose of weakening the wave reflection effect of the flume, maintaining the normal propagation of waves at the inlet of the arc panel of the wave-breaking device, and improving the wave simulation capability of the wave flume.

Description

Technical Field

[0001] The invention relates to the technical field of wave test devices, and in particular to a wave-absorbing device used for wave tank tests. Background Art

[0002] Wave testing in ship and ocean engineering is an important research method in the engineering field, and is of great significance for accurately predicting the hydrodynamic performance of marine structures under waves.

[0003] At present, in the model test of wave tank in the field of marine engineering, the wave source is generated by setting a vibration device in the tank. In order to accurately measure the various responses of the model under various wave conditions, it is necessary to simulate the target wave as much as possible. However, due to the limitations of the wave tank itself, when the wave propagates to the tail end of the tank, wave reflection will occur, which will affect the generation and propagation of the rear waves.

[0004] In order to eliminate the reflection effect of waves as much as possible, it is necessary to improve such a structure to overcome the above defects. Summary of the invention

[0005] The purpose of the present invention is to provide a wave absorbing device for wave tank test, so as to weaken the wave reflection effect of the tank, maintain the normal propagation of waves at the entrance of the curved panel of the wave absorbing device, and improve the wave simulation ability of the wave tank.

[0006] The above technical purpose of the present invention is achieved by the following technical scheme: a wave-breaking device for wave tank test, comprising an arc-shaped panel in contact with a water supply surface, a plurality of circular holes for water flow are provided on the surface of the arc-shaped panel, the arc-shaped panel is arranged at one end of the tank away from the wave source, and the arc-shaped surface of the arc-shaped panel faces the wave source, the arc-shaped panel is provided with a plurality of steel meshes, the steel meshes are vertically arranged and fixed on the lower surface of the arc-shaped panel, and the steel meshes are evenly arranged along the propagation direction of the wave source, the waves can directly pass through the circular holes when propagating to the arc-shaped panel, and the water flow is directed to the lower part of the arc-shaped panel to avoid the occurrence of reflection events, and the waves pass through the steel meshes and are damped by the steel meshes to weaken the wave reflection effect.

[0007] The present invention is further configured as follows: a fixing frame is fixed on the lower surface of the curved panel, the fixing frame includes a frame arranged at the bottom of the sink and a plurality of columns fixed to the frame, the frame is arranged in a rectangular shape, the columns are arranged in two rows, and the two rows of columns are respectively fixed to the edge positions of the curved panel.

[0008] The present invention is further configured as follows: the lower end surface of the wire mesh is fixed to the frame, and both upper and lower end surfaces of the wire mesh are provided with long strip gaskets for clamping and fixing the wire mesh, and the long strip gaskets and the lower surface of the curved panel / frame clamp and tighten the wire mesh and keep the wire mesh in a vertical state.

[0009] The present invention is further configured as follows: the steel wire mesh has 12 meshes, and the spacing between two adjacent steel wire meshes is 8 cm.

[0010] The present invention is further configured as follows: the hole spacing of the circular holes is the same as the hole diameter.

[0011] The present invention is further configured as follows: the arc radius of the arc panel is 6.6m, the thickness of the arc panel is 4mm, and the diameter of the circular hole is 15mm.

[0012] In summary, the present invention has the following beneficial effects:

[0013] 1) When the wave source in the water tank generates waves, when the waves propagate to the position of the curved panel, the waves continue to propagate through the circular holes, and the water flow generated by the waves is led to the lower part of the curved panel, thereby avoiding the occurrence of water flow reflection events. Then the waves pass through the wire mesh in turn and flow back, and the wave reflection effect is weakened by the damping effect of the wire mesh, thereby consuming the wave energy, maintaining the normal propagation of the waves at the entrance of the wave absorbing device, and improving the wave simulation ability of the wave tank;

[0014] 2) By setting the radius of the curved panel to 6.6m, the slope of the curved panel in contact with the water surface can be reduced, which can effectively avoid wave reflection and facilitate waves to pass through the circular hole. At the same time, by setting the wire mesh to 12 meshes, it is convenient for waves to quickly pass through the wire mesh, and by setting multiple wire meshes, it can damp the waves and consume wave energy;

[0015] 3) The wire mesh is clamped and tightened by the long strip gasket, the lower surface of the curved panel and the frame, so as to keep the wire mesh in a vertical tensioned state; the position of the curved panel and the wire mesh is fixed by the fixing frame, so as to facilitate the disassembly and assembly of the present invention and ensure that the curved panel and the wire mesh are fixed in the correct position when the present invention is installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention;

[0017] Figure 2 It is a schematic diagram of a wave passing through the present invention.

[0018] The numbers in the figure represent the corresponding component names: 1. curved panel; 2. round hole; 3. wire mesh; 4. frame; 5. column. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with diagrams and specific embodiments.

[0020] like Figure 1 and Figure 2 As shown, a wave-breaking device for wave flume experiments proposed by the present invention includes an arc panel 1 in contact with the water supply surface. The arc panel 1 is located at one end of the flume away from the wave source, and the arc surface of the arc panel 1 faces the wave source. The arc radius of the arc panel 1 is set to 6.6m, and the thickness is set to 4mm. A plurality of circular holes 2 for water circulation are provided on the surface of the arc panel 1. The diameter of the circular hole 2 is set according to the specifications of the flume and can be set to 15mm, and the hole spacing of the circular hole 2 is the same as the hole diameter. A plurality of steel meshes 3 are installed on the lower surface of the arc panel 1. The specification of the steel meshes 3 is selected to be 12 meshes. The steel meshes 3 are arranged along the wave source propagation direction, and the steel meshes 3 are arranged toward the wave source direction. The spacing between two adjacent steel meshes 3 is 8cm. When waves are generated in the water tank by the wave source, when the waves propagate to the position of the curved panel 1, the waves continue to propagate through the circular hole 2, and the water flow generated by the waves is led to the lower part of the curved panel 1, thereby avoiding the occurrence of water flow reflection events, and then the waves pass through the wire mesh 3 in turn and flow back, and the wave reflection effect is weakened by the damping effect of the wire mesh 3, thereby consuming the wave energy, maintaining the normal propagation of the waves at the entrance of the wave absorbing device, and improving the wave simulation ability of the wave tank.

[0021] In addition, by setting the radius of the curved panel 1 to less than 6.6m, the slope of the curved panel 1 in contact with the water surface can be reduced, which can effectively avoid wave reflection and facilitate waves to pass through the circular hole 2. At the same time, by setting the wire mesh 3 to 12 meshes, waves can quickly pass through the wire mesh 3, and by setting multiple wire meshes 3, waves can be damped and wave energy can be consumed.

[0022] In order to facilitate the fixing of the position of the curved panel 1 and the steel mesh 3, a fixing frame is fixed on the lower surface of the curved panel 1. The fixing frame includes a frame 4 installed on the bottom surface of the water tank. The frame 4 is rectangular, and two rows of columns 5 are fixed on the upper end surface of the frame 4. The two rows of columns 5 are arranged along the wave source propagation direction, and the two rows of columns 5 are fixed to the edge position of the curved panel 1, and the columns 5 can be fixed to the curved panel 1 by bolts. The upper and lower ends of the steel mesh 3 are respectively fixed to the lower surface of the curved panel 1 and the frame 4, and long strip gaskets (not shown in the figure) for clamping and fixing the steel mesh 3 are installed on the upper and lower end surfaces of the steel mesh 3. The long strip gaskets and the lower surface of the curved panel 1 and the frame 4 clamp and tighten the steel mesh 3, so as to keep the steel mesh 3 in a vertical tension state. In this way, the position of the curved panel 1 and the steel mesh 3 can be easily fixed by the fixing frame, so as to facilitate the disassembly and assembly of the present invention, and ensure that the curved panel 1 and the steel mesh 3 are fixed in the correct position when the present invention is installed.

[0023] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A wave-absorbing device for wave tank testing, characterized in that: The invention comprises an arc panel (1) in contact with a water supply surface, the surface of the arc panel (1) is provided with a plurality of circular holes (2) for water supply and circulation, the arc panel (1) is arranged at an end of a water tank away from a wave source, and the arc surface of the arc panel (1) faces the wave source, the arc panel (1) is provided with a plurality of steel meshes (3), the steel meshes (3) are vertically arranged and fixed on the lower surface of the arc panel (1), and the steel meshes (3) are evenly arranged along the propagation direction of the wave source, and waves can directly pass through the circular holes (2) when propagating to the arc panel (1), and the water flow is directed to the lower part of the arc panel (1), thereby avoiding the occurrence of reflection events, and the waves pass through the steel meshes (3) and are damped by the steel meshes (3) to weaken the wave reflection effect; A fixing frame is fixed on the lower surface of the curved panel (1), the fixing frame comprising a frame (4) arranged at the bottom of the water tank, and a plurality of columns (5) fixed to the frame (4), the frame (4) is arranged in a rectangular shape, the columns (5) are arranged in two rows, and the two rows of columns (5) are respectively fixed to the edge positions of the curved panel (1); The lower end surface of the steel mesh (3) is fixed to the frame (4), and both upper and lower end surfaces of the steel mesh (3) are provided with long strip gaskets for clamping and fixing the steel mesh (3), and the long strip gaskets and the lower surface of the curved panel (1) / frame (4) clamp and tighten the steel mesh (3) and keep the steel mesh (3) in a vertical state; The steel wire mesh (3) has 12 meshes, and the distance between two adjacent steel wire meshes (3) is 8 cm; When waves are generated in the water tank by a wave source, when the waves propagate to the position of the curved panel (1), the waves continue to propagate through the circular hole (2), and the water flow generated by the waves is guided to the lower part of the curved panel (1), thereby avoiding the occurrence of water flow reflection events. Then, the waves successively pass through the steel wire mesh (3) and flow back, and the wave reflection effect is weakened by the damping effect of the steel wire mesh (3), thereby consuming the wave energy, maintaining the normal propagation of the waves at the entrance of the wave absorbing device, and improving the wave simulation ability of the wave tank.

2. A wave-absorbing device for wave tank test according to claim 1, characterized in that: The hole spacing of the circular holes (2) is the same as the hole diameter.

3. A wave-absorbing device for wave tank test according to claim 2, characterized in that: The arc radius of the arc panel (1) is 6.6 mm, the thickness of the arc panel (1) is 4 mm, and the diameter of the circular hole (2) is 15 mm.

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