CN114910249A - Dynamic coupling experimental device for wind wave current and sea ice and drifting and accumulating experimental method for sea ice - Google Patents
Dynamic coupling experimental device for wind wave current and sea ice and drifting and accumulating experimental method for sea ice Download PDFInfo
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Abstract
The invention relates to a dynamic coupling experiment device of a wave current and sea ice, which comprises a wave current experiment pool and a wave current simulation system connected with the wave current experiment pool, wherein the wave current experiment pool and the wave current simulation system are used for constructing a target combined field for dynamically coupling the wave current and the sea ice; and the two sides of the inner wall of the storm flow experimental water pool are provided with drainage plates for guiding and adjusting the concentration of drifting sea ice. The invention can provide necessary experimental technology for the interaction problem of sea ice and wind wave flow and provide support for the design and operation of polar engineering equipment.
Description
Technical Field
The invention belongs to the technical field of design and manufacture of polar ships and ocean engineering equipment, and particularly relates to a dynamic coupling experimental device for stormy waves and sea ice and a drifting and accumulating experimental method for sea ice.
Background
The sea ice drifting, overlapping and stacking process mechanism induced by the sea stroke-wave-flow load and the interaction characteristics of the sea ice and a structure are long-standing important subjects in the field of polar ocean engineering. With the continuous growth and ablation of polar sea ice, the sea ice cannot be fixed at a specific position on the sea surface, but is often subjected to drifting movement under the action of wind wave current. The accumulation and accumulation of floating ice causes the phenomenon of raft formation or ridge formation, the thickness and hardness of sea ice are increased due to the formed new ice body, the ice load acting on nearby sea structures can be improved due to the accumulated floating ice, and certain potential safety hazards are caused to the stability and normal operation of the structure.
In recent years, much research has been conducted around the physical mechanical properties and stacking process of sea ice. The method mainly comprises the steps of field monitoring, theoretical analysis, model test and numerical simulation. In the aspect of model test technology, the test of sea ice parameters in single-factor environments such as wind, wave, flow and the like is mainly concerned in the past. However, for the coupling experiment of how to realize the wind wave flow combined field, the coupling relationship between the dynamic responses of the sea ice is cleared, and factors such as the sea ice and the structural parameters are comprehensively considered, so that the process of researching the drift and accumulation of the sea ice and the like in a fine manner still needs to be further explored at present.
Therefore, a dynamic response experiment system and a sea ice drifting and accumulating experiment method under the coupling action of sea ice and wind wave flow are urgently needed to be researched and developed, relevant pool model experiments are developed, and support is provided for research and development design of polar region marine equipment and exploration and utilization of polar region resources.
Disclosure of Invention
In order to solve the technical problems, the invention provides a dynamic coupling experiment device for the sea ice and the wave current and a drift accumulation experiment method for the sea ice, which can provide a necessary experiment technology for the interaction problem of the sea ice and the wave current and provide support for the design and operation of polar engineering equipment.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a dynamic coupling experimental device for a wave current and sea ice, which comprises an experimental water pool, a dynamic coupling experimental device for the wave current and the sea ice, and a dynamic coupling experimental device for the wave current and the sea ice, wherein the experimental water pool comprises an experimental water pool, and a carried wave current simulation system is used for constructing a target combined field for the dynamic coupling of the wave current and the sea ice; the two sides of the inner wall of the water pool are provided with drainage plates for guiding and adjusting the concentration of the drifting sea ice; the adjustable marine equipment arranged above the experimental water pool can simulate the behaviors of drifting, stacking, climbing and the like of the sea ice in the collision process of the flowing sea ice and the marine structure. The invention also provides a sea ice drifting and accumulating experimental method which is mainly provided with a plurality of sensors and a monitoring and processing system and measures the drifting and accumulating characteristics of the sea ice array model under the action of different parameters of wind wave currents through a test simulation-feedback-analysis and adjustment mechanism.
The invention is further improved in that: the wind wave flow simulation system comprises a wind making mechanism, a wave making mechanism and a flow making mechanism, wherein the wind making mechanism comprises a base, a fan and a rectifying grating, the rectifying grating is positioned on the front side of the fan and is arranged on the base together, and the base is fixed on the wall surface of a water pool; the fan comprises a driving motor, fan blades and rudder blades, the driving motor drives the fan blades to rotate, and the rudder blades can adjust left and right wind directions; the rectification grid includes support, transmission shaft, several blade, can adjust the vertical wind direction, and makes the wind current become more even.
The invention is further improved in that: the wave making mechanism comprises a wave making machine and a wave eliminating beach, when the wave making machine works, waves are made on the still water surface in the wave current pool, and the wave energy is attenuated through the multi-hole wave eliminating beach at the tail part of the wave current pool, so that the incident waves are not influenced by the reflection of the waves.
The invention is further improved in that: the flow making mechanism comprises a water pump, a branch flow pipe and a main pipeline, the water body is pressurized by the water pump, is conveyed to the main pipeline through the branch flow pipe and then is uniformly input into the experimental water tank again, and the flow velocity is controlled by the water pump for generating effective water flow circulation with constant velocity.
The invention is further improved in that: the adjustable marine device comprises a slope, a connecting plate, a hydraulic telescopic rod, a six-component measuring instrument, a support and a base, wherein the slope is detachably mounted on the connecting plate, one end of the hydraulic telescopic rod is connected onto the support through a pin, the other end of the hydraulic telescopic rod is rotatably connected onto the connecting plate, the adjustable inclination angle performance of the slope is realized, the six-component measuring instrument is mounted on the hydraulic telescopic rod, and the size of a load applied to the slope by drifting sea ice is measured. Preferably, the adjustable marine equipment is not limited to a slope, and further comprises a curved plate and a simulated marine platform, and the accumulation characteristics of the marine structures with different shapes on drifting sea ice are observed.
The invention is further improved in that: guide board one end rotate through the pivot and articulate in the pond wall, the other end has the otic placode, the bolt of mountable different length adjusts the drainage plate angle to the sea ice density of control inflow.
The invention is further improved in that: the sea ice drifting and accumulating experimental method mainly comprises the following steps: the first step is as follows: adjusting the adjustable marine equipment at the position of the pool reaching the requirement, and correcting the six-component force measuring instrument and the monitoring device arranged on the base; the second step is that: adjusting the angle of the drainage plate, placing a sea ice model in an experimental water pool, and enabling the sea ice with certain density to drift to an adjustable sea equipment position; the third step: firstly, generating a water flow field by a flow making mechanism and achieving a stable target flow rate; then, a wind field with the wind direction being adjustable in the horizontal and vertical directions is generated by a wind generating mechanism, and stable wind speed and a wind profile are achieved; and finally, generating an incident wave field by the wave generating mechanism, and transmitting waves to the position of the sea ice model to reach stable target wave height and wave period so as to obtain a target wave-current combined field which is synchronous and continuous in space and time.
The invention has the beneficial effects that: (1) according to the invention, the wind-making mechanism, the wave-making mechanism and the flow-making mechanism can generate a target wave-making combined field which is synchronous and continuous in space and time, so that the environmental conditions under the real condition can be well matched; (2) the sea ice drainage plate provided by the invention can simulate the condition that sea ice drifts to terrains such as an ice area bay gorge or a port and the like, and can indirectly control the drift density of the sea ice; (3) the adjustable marine equipment provided by the invention can replace different types of marine structures, and the monitoring device installed on the adjustable marine equipment can accurately observe the drifting and accumulation characteristics of the sea ice near the marine equipment, so that support is provided for the design and operation of polar engineering equipment.
Drawings
FIG. 1 is a schematic structural diagram of the overall experimental apparatus of the present invention.
FIG. 2 is a schematic view of the structure of a wave flow experimental water pool of the present invention.
Fig. 3 is a structural schematic diagram of the wind-generating mechanism of the invention.
FIG. 4 is a schematic diagram of an array fan according to the present invention.
Fig. 5 is a schematic view of a rectifying grid structure of the present invention.
Fig. 6 is a schematic structural diagram of the wave making mechanism of the invention.
Fig. 7 is a schematic structural view of the flow-generating mechanism of the present invention.
FIG. 8 is a schematic view of the structure of the adjustable marine rig of the present invention.
FIG. 9 is a schematic view of the structure of a different type of marine structure of the present invention.
FIG. 10 is a schematic diagram of the sea ice drift trajectory under the guidance of the present invention.
FIG. 11 is a schematic view of the construction of a flow guide plate according to the present invention.
FIG. 12 is a schematic diagram of the drifting of sea ice accumulated under the coupling of sea ice and curved plate according to the present invention.
FIG. 13 is a schematic diagram of the drifting of sea ice with the sea ice coupled to an ocean platform according to the present invention.
FIG. 14 is a flow chart of an experiment method for drifting and accumulating sea ice under dynamic coupling of wind wave flow and sea ice.
Wherein: 1: a wave flow simulation system; 2: adjustable marine equipment; 3: a sea ice array model; 1-1: a wind-making mechanism; 1-2: a wave making mechanism; 1-3: a flow making mechanism; 1-1-1: a base; 1-1-2: a fan; 1-1-3: a rectifying grid; 1-1-2-1: fan blade, 1-1-2-2: a drive motor; 1-1-2-3: a rudder blade; 1-1-3-1: a support; 1-1-3-2: a drive shaft; 1-1-3-3: a blade; 1-2-1: a wave making machine; 1-2-2: wave-absorbing beach; 1-2-3: a water outlet; 1-3-1: a water pump; 1-3-2: a header pipe; 1-3-3: a bypass pipe; 2-1: a slope; 2-2: a connecting plate; 2-3: a hydraulic telescopic rod; 2-4: a six component force measuring instrument; 2-5: a skid frame; 2-6: a monitoring device; 2-7: a base; 2-8: a curved plate; 2-9: an offshore platform; 3-1: a drainage plate; 3-2: a bolt; 3-1-1: a rotating shaft; 3-1-2: an ear plate.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the embodiments of the invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
As shown in fig. 1, a dynamic coupling experiment device for a wave current and sea ice comprises a wave current experiment pool and a wave current simulation system 1 connected with the wave current experiment pool, wherein the wave current experiment pool and the wave current simulation system 1 are used for constructing a target combined field for dynamically coupling the wave current and the sea ice, and an adjustable sea device 2 is arranged above the wave current experiment pool and can simulate the behaviors of drifting, stacking, climbing and the like of the sea ice in the collision process of the flowing sea ice and a sea structure; and the two sides of the inner wall of the storm flow experimental water pool are provided with drainage plates 3-1 for adjusting the concentration of drifting sea ice.
As shown in fig. 14, the experimental method for sea ice drifting and accumulating under dynamic coupling of wave current and sea ice includes the following steps:
step 1: adjusting the position of the adjustable marine equipment 2 in the storm wave test pool to meet the requirement, and correcting a six-component force measuring instrument 2-4 and a monitoring device 2-6 arranged on a base 2-7, wherein the monitoring device 2-6 is an infrared induction camera, the infrared induction camera can realize on-line monitoring on a drifting sea ice model, grasp the gathering and accumulation characteristics of sea ice in real time, realize automatic transmission of monitoring data, and carry out data sorting and analysis by a computer control center of a processing system.
Step 2: adjusting the angle of the drainage plate to 3-1%, placing a sea ice model in the storm wave test pool, and floating ice with high concentration to the position of ocean equipment, wherein the range value of the concentration can be 60% -90%;
and step 3: generating a water flow field by the flow generating mechanism 1-3 and achieving a stable target flow rate;
and 4, step 4: a wind field with the wind direction being adjustable in the horizontal and vertical directions is generated by the wind making mechanism 1-1, and stable wind speed and wind profile are achieved;
and 5: an incident wave field is generated by the wave making machine 1-2-1, and waves are transmitted to the position of the sea ice model to reach stable target wave height and wave period, so that a specified wind wave flow combined field which is synchronous and continuous in space and time is obtained.
The monitoring data processing system mainly transmits sensor data such as a monitoring device and a six-component force measuring instrument which are installed on the adjustable marine equipment to a computer system, analyzes and arranges the data and visualizes the data through analysis processing software such as force value data acquisition software, measures the drifting accumulation characteristic of the sea ice array model under the action of different parameters of wind and wave flows through a simulation-feedback-control mechanism, and accurately monitors the dynamic characteristic of the dynamic coupling of the drifting accumulation sea ice and the marine equipment.
Example one
The invention relates to a dynamic coupling experiment device for storm currents and sea ice.A storm current simulation system 1 in the coupling experiment device comprises two groups of wind generating mechanisms 1-1, one group of wave generating mechanisms 1-2 and one group of flow generating mechanisms 1-3, as shown in figures 1-5, the two groups of wind generating mechanisms 1-1 are respectively fixed on the wall surface of a storm current experiment pool and positioned at the head part of the storm current experiment pool, and the two groups of wind generating mechanisms are arranged on the pool in an adjacent state.
The specific structure is as shown in fig. 3-5, the wind-generating mechanism 1-1 comprises four bases 1-1-1, the wind-generating mechanism 1-1 is connected with the storm-flow experimental water pool through the bases 1-1-1, the lower end of the base 1-1-1 is installed on the outer side wall surface of the storm-flow experimental water pool through bolts, a fan 1-1-2 is installed on each base 1-1-1, the fan 1-1-2 comprises a driving motor 1-1-2-2 fixed on the base 1-1-1, the driving motor 1-1-2-2 is provided with a fan blade 1-1-2-1 and a rudder blade 1-1-2-3, the driving motor 1-1-2-2 drives the fan blade 1-1-2-1 to rotate, the rudder blade 1-1-2-3 adjusts left and right wind directions, in the embodiment, one group of wind generating mechanisms comprise four bases 1-1-1 and four fans 1-1-2, the front sides of the four fans 1-1-2 of the same group of wind generating mechanisms are provided with rectification grids 1-1-3 arranged on the bases 1-1-1, namely the rectification grids 1-1-3 are two and the two rectification grids 1-1-3 are arranged in close proximity, the rectification grids 1-1-3 comprise two supports 1-1-3-1 fixedly connected with the wall surface of a wave test pool, transmission shafts 1-1-3-2 are respectively arranged on the two supports 1-1-3-1, and a plurality of blades 1-1-3-2 for adjusting the up and down wind directions are arranged between the transmission shafts 1-1-3-2 1-3-3, the rectifying grille can adjust the wind direction up and down and make the wind flow more uniform.
As shown in fig. 2, the wave making mechanism 1-2 is arranged inside the storm water testing pool, as shown in fig. 6, the wave making mechanism 1-2 comprises a wave making machine 1-2-1, a multi-damping hole wave-absorbing beach 1-2-2 and a water inlet and outlet 1-2-3, the wave making machine 1-2-1 is arranged at the head of the storm water testing pool, the multi-damping hole wave-absorbing beach 1-2-2 is obliquely arranged at the tail of the storm water testing pool, one end of the water inlet and outlet 1-2-3 is connected with the head and the tail of the storm water testing pool, the other end of the water inlet and outlet 1-2-3 is connected with a main pipeline 1-3-2 of the wave making mechanism 1-3 through a flange, when the wave making machine works, a still water surface in the storm water pool makes waves, wave energy attenuation is caused by the multi-damping hole wave-absorbing beach 1-2-2 at the tail of the wave-current pool, so that incident waves cannot be influenced by wave reflection.
As shown in fig. 2, the flow making mechanism 1-3 is disposed outside the wave flow experimental water tank, and the flow making mechanism 1-3 is connected to the wave making mechanism 1-2. As shown in fig. 7, the flow generating mechanism 1-3 includes a water pump 1-3-1, the left and right ends of the water pump 1-3-1 are respectively connected to a main pipe 1-3-2 through a pipe, one side of each of the two main pipes 1-3-2 is provided with a plurality of branch pipes 1-3-3, and the branch pipes 1-3-3 are connected to the wave test pool through water inlets and water outlets 1-2-3 of the wave generating mechanism 1-2. The water is pressurized by the water pump 1-3-1, is transported to the main pipe 1-3-2 by the branch flow pipe 1-3-3, and is then uniformly input into the experimental water tank again, and the water flow velocity is controlled by the water pump 1-3-1 for generating effective water flow circulation with constant velocity.
As shown in figure 1, the drainage plates 3-1 are arranged on two sides of the inner wall of the storm flow experiment pool to guide and adjust the concentration of drifting sea ice. The specific structure is as shown in fig. 10 and 11, one end of the flow guide plate 3-1 is rotatably hinged to the inner wall surface of the storm wave test pool through a rotating shaft 3-1-1, one side, facing the sea ice array model 3, of the other end of the flow guide plate 3-1 is provided with an ear plate 3-1-2, bolts 3-2 with different lengths can be installed, the other end of each bolt 3-2 is connected to the inner wall surface of the storm wave test pool in a connecting mode, the angle of the flow guide plate 3-1 is adjusted, and therefore the density of inflowing sea ice is controlled.
As shown in fig. 8 and 9, the adjustable marine rig 2 comprises a slope 2-1 and two bases 2-7 arranged in parallel, and further comprises a connecting plate 2-2, a hydraulic telescopic rod 2-3, a six-component force measuring instrument 2-4, a skid 2-5 and a monitoring device 2-6, wherein two extension connecting frames are arranged on one side of the slope 2-1, the slope 2-1 is detachably mounted on the connecting plate 2-2 through a detachable bolt and the extension connecting frames, one end of the hydraulic telescopic rod 2-3 is connected on the skid 2-5 through a pin shaft, the other end of the hydraulic telescopic rod 2-3 is rotatably connected on the connecting plate 2-2, so that the adjustable inclination angle performance of the slope 2-1 is realized, the six-component force measuring instrument 2-4 is mounted on the hydraulic telescopic rod 2-3 and is used for measuring the load applied to the slope by drifting sea ice, the lower ends of the bases 2-7 are provided with pulleys, the pulleys are matched with a slide way arranged in the pool to enable the marine equipment to move above the pool, and the two sliding frames 2-5 are arranged between the bases 2-7 in parallel.
As shown in fig. 12 and 13, the drifting and stacking characteristics of the sea ice caused by the different types of marine equipment 2 have obvious differences, and the sea ice accumulation and stacking rule near the marine equipment 2 can be accurately observed through the installed monitoring device, namely the infrared sensing camera 2-6, so that support is provided for polar engineering equipment design and operation, and comparison data is provided for numerical algorithm verification.
Example two
The invention relates to a dynamic coupling experimental device for storm currents and sea ice, which is the same as that in the first embodiment, but in the first embodiment, an ocean structure is a curved plate 2-8, two extending connecting frames are arranged on one side of the curved plate 2-8, and the curved plate 2-8 is detachably arranged on a connecting plate 2-2 through a detachable bolt and the extending connecting frames.
EXAMPLE III
As shown in FIG. 9, the invention is a dynamic coupling experiment device for storm current and sea ice, the other settings are the same as the first embodiment, in the first embodiment, the adjustable ocean equipment 2 comprises a simulated ocean platform 2-9 and two bases 2-7 arranged in parallel, the lower ends of the bases 2-7 are respectively provided with a pulley moving in a track above a storm current test pool, two skid frames 2-5 are arranged between the two parallel bases 2-7 in parallel, the skid frames 2-5 are connected with hydraulic telescopic rods 2-3 through pin shafts, the other ends of the hydraulic telescopic rods 2-3 are rotatably connected on a connecting plate 2-2, the simulated ocean platform 2-9 comprises two parallel connecting rods which are distributed and detachably connected with the connecting plate 2-2 through detachable bolts, an upper connecting rod and a lower connecting rod are fixedly arranged between the two connecting plates in parallel, a transverse connecting rod is arranged perpendicular to the upper connecting rod, simulation cylinders are arranged through the upper connecting rod and the lower connecting rod respectively, the simulation cylinders are arranged at the positions, 2-2 away from the connecting plates, of the upper connecting rod, the simulation cylinders are arranged at the two ends of the transverse connecting rod, and the accumulation characteristics of the ocean structures with different shapes on drifting sea ice can be observed by changing the shapes of the ocean structures.
For a complex marine environment, the dynamic coupling experimental device for wind wave flow and sea ice and the sea ice drifting and accumulating experimental method provided by the invention can accurately measure the dynamic characteristics of drifting sea ice under the action of wind wave flow, can well verify the relevant numerical simulation results, and provide certain reference for reasonable design of structures such as an ice area marine platform and the like.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a stormy wave flows and sea ice dynamic coupling experimental apparatus which characterized in that: the coupling experiment device comprises a wave flow experiment water tank and a wave flow simulation system (1) connected with the wave flow experiment water tank, the wave flow experiment water tank and the wave flow simulation system (1) are used for constructing a target combined field for dynamically coupling wave flow and sea ice, and adjustable ocean equipment (2) is arranged above the wave flow experiment water tank and used for simulating behaviors generated in the collision process of flowing sea ice and an ocean structure; and drainage plates (3-1) are arranged on two sides of the inner wall of the storm flow experimental water pool to guide and adjust the concentration of drifting sea ice.
2. The dynamic coupling experimental device of the stormy waves and the sea ice according to claim 1, characterized in that: the wave flow simulation system (1) comprises at least one group of wind making mechanism (1-1), a wave making mechanism (1-2) and a flow making mechanism (1-3), wherein the wind making mechanism (1-1) is fixed on the wall surface of the wave flow experiment pool, the wave making mechanism (1-2) is arranged inside the wave flow experiment pool, the flow making mechanism (1-3) is arranged on the outer side of the wave flow experiment pool, and the flow making mechanism (1-3) is connected with the wave making mechanism (1-2).
3. The dynamic coupling experimental device of the stormy waves and the sea ice according to claim 2, characterized in that: the wind generating mechanism (1-1) comprises a plurality of bases (1-1-1) for connecting the wind generating mechanism (1-1) with the wave and current test water tank, the bases (1-1-1) are installed on the outer side wall surface of the wave and current test water tank through bolts, a fan (1-1-2) is arranged on each base (1-1-1), a rectifying grating (1-1-3) installed on each base (1-1-1) is arranged on the front side of each fan (1-1-2), each fan (1-1-2) comprises a driving motor (1-1-2-2) fixed on each base (1-1-1-1), and each driving motor (1-1-2-2) is provided with a fan blade (1-1-2-1) and a rudder blade (1-1) and a rudder blade (2-1) (1-1-2-3), a driving motor (1-1-2-2) drives a fan blade (1-1-2-1) to rotate, a rudder blade (1-1-2-3) adjusts the left and right wind directions, the rectifying grating (1-1-3) comprises two supports (1-1-3-1) fixedly connected with the wall surface of the storm wave test pool, transmission shafts (1-1-3-2) are respectively arranged on the two supports (1-1-3-1), and a plurality of blades (1-1-3-3) for adjusting the up and down wind directions are arranged between the transmission shafts (1-1-3-2).
4. The dynamic coupling experimental device of the stormy waves and the sea ice according to claim 2, characterized in that: the wave making mechanism (1-2) comprises a wave making machine (1-2-1) arranged at the head of the wave test pool, a multi-damping-hole wave absorbing beach (1-2-2) obliquely arranged at the tail of the wave test pool, the wave making mechanism (1-2) further comprises a water inlet and a water outlet (1-2-3), one end of the water inlet and the water outlet (1-2-3) is connected with the head and the tail of the wave test pool, and the other end of the water inlet and the water outlet (1-2-3) is connected with the wave making mechanism (1-3) through a flange.
5. The dynamic coupling experimental device for storm currents and sea ice according to claim 2, characterized in that: the flow making mechanism (1-3) comprises a water pump (1-3-1) and main pipelines (1-3-2) connected to two sides of the water pump (1-3-1), one end of each of the two main pipelines (1-3-2) is connected with a plurality of branch pipes (1-3-3), and the branch pipes (1-3-3) are connected to the wind and wave test water pool through the wave making mechanism (1-2).
6. The dynamic coupling experimental device of the stormy waves and the sea ice according to claim 1, characterized in that: one end of the drainage plate (3-1) is rotatably hinged to the inner wall face of the storm wave test pool through a rotating shaft (3-1-1), one side, facing the sea ice array model (3), of the other end of the drainage plate (3-1) is provided with an ear plate (3-1-2), a plug pin (3-2) for adjusting the angle of the drainage plate (3-1) is installed in the ear plate (3-1-2), and the other end of the plug pin (3-2) is connected with the inner wall face of the storm wave test pool in a connecting mode.
7. The dynamic coupling experimental device of the stormy waves and the sea ice according to claim 1, characterized in that: the adjustable marine device (2) comprises a marine structure and two bases (2-7) which are arranged in parallel, pulleys moving in a track above the wind wave test pool are arranged at the lower ends of the bases (2-7), two sliding frames (2-5) are arranged between the two parallel bases (2-7) in parallel, the sliding frames (2-5) are connected with hydraulic telescopic rods (2-3) through pin shafts, the other ends of the hydraulic telescopic rods (2-3) are rotatably connected onto a connecting plate (2-2), and the marine structure is detachably mounted on the connecting plate (2-2) through detachable bolts.
8. The dynamic coupling experimental device of stormy waves and sea ice as claimed in claim 7, wherein: a six-component force measuring instrument (2-4) for measuring the load applied to the marine structure by the drifting sea ice is arranged on the hydraulic telescopic rod (2-3).
9. The dynamic coupling experimental device of stormy waves and sea ice as claimed in claim 7, wherein: the ocean structure is a slope (2-1), a curved plate (2-8) or a simulated ocean platform (2-9).
10. The dynamic coupling experiment device for the storm currents and the sea ice according to any one of claims 1 to 9, characterized in that: the experimental method for drifting and accumulating the sea ice under the dynamic coupling of the wind wave flow and the sea ice comprises the following steps:
step 1: adjusting the position of the adjustable ocean equipment (2) in the storm wave test pool to reach the required position, and correcting a six-component force measuring instrument (2-4) and a monitoring device (2-6) arranged on a base (2-7);
step 2: adjusting the angle of the drainage plate (3-1), placing a sea ice model in the storm wave test pool, and enabling the sea ice to drift to the position of the adjustable marine equipment (2) at a certain concentration;
and step 3: a water flow field is generated by the flow generating mechanism (1-3) and a stable target flow rate is achieved;
and 4, step 4: a wind field with the wind direction being adjustable in the horizontal and vertical directions is generated by the wind-making mechanism (1-1), and stable wind speed and wind profile are achieved;
and 5: an incident wave field is generated by a wave generator (1-2-1), and waves are transmitted to the position of the sea ice model to reach stable target wave height and wave period, so that a specified wind wave flow combined field which is synchronous and continuous in space and time is obtained.
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| CN118130043A (en) * | 2024-04-30 | 2024-06-04 | 中国海洋大学 | Annular totally-enclosed infinite interval wind-wave generation physical pool, system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118130043A (en) * | 2024-04-30 | 2024-06-04 | 中国海洋大学 | Annular totally-enclosed infinite interval wind-wave generation physical pool, system and method |
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