Experimental device and method for floating offshore wind turbines using wind and wave equivalent devices
A technology of offshore wind power and experimental equipment, applied in the field of marine engineering, can solve the problems of mismatching Froude number, very high requirements for the function of the wind generating device and the quality of the wind field, and achieve the effect of convenient operation, simple structure and easy installation
Active Publication Date: 2020-07-24
DALIAN UNIV OF TECH
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Problems solved by technology
[0003] For the model test of floating offshore wind turbines, the wind field of wave pools is generally generated by movable fan arrays, but there are two challenges: first, the function of the wind generating device and the quality of the wind field are very high in the wave pool test; Two-Froude number does not match Reynolds number similarity criterion
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[0022] The present invention will be further described below in conjunction with accompanying drawing.
[0023] Such as figure 1 As shown, an experimental method of a floating offshore wind turbine experimental device using a wind wave equivalent device includes the following steps:
[0024] Step 1. The production of the experimental model. In order to ensure that the experimental model and the entity strictly meet the geometric similarity conditions, it is necessary to follow a unified experimental model scale ratio during the production and simulation of the experimental model. When the experimental model is tested in a marine engineering pool , it is necessary to convert these scale parameters and external design dimensions, and describe them by formula (1),
[0025]
[0026] where h m is the water depth of the experimental model during the test, H m is the wave height of the experimental model during the test, λ m is the wavelength of the experimental model during t...
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The invention relates to the technical field of marine engineering and discloses a floating offshore wind turbine experimental device with a wind and wave equivalent device and a method thereof. The method comprises the steps of (1) making an experimental model, (2) setting parameters of an aerodynamic load simulation system, (3) connecting the aerodynamic load simulation system and a monitoring unit, (4) connecting the monitoring unit and a motion control computer, (5) sending control commands, and (6) feeding a motion state back. The experimental device includes an operating system portion of a wave equivalent device, an operating system portion of a wind equivalent device, and an experimental model portion. The experimental device does not need to rely on a wave pool and a wind-making device, an electric cylinder is controlled to load force to a six-degree-of-freedom platform to simulate a motion state under different wave heights and periodic wave loads, the problem of the strict requirements of the function of the wind-making device and the quality of a wind farm is solved, the whole experimental device has the advantages of simple structure, easy installation, convenient operation, and high safety and reliability.
Description
technical field [0001] The invention relates to a floating offshore wind turbine experimental device using a wind wave equivalent device and a method thereof, belonging to the technical field of marine engineering. Background technique [0002] Offshore wind energy, as a clean and renewable energy, has attracted more and more attention from all over the world. When the seawater depth exceeds 50m, the floating offshore wind turbine (FOWT) will have better economic feasibility. As an emerging frontier field, FOWT has extremely complex coupled wind and wave environment physical characteristics and lack of actual construction engineering experience. Relevant numerical research needs to rely more on physical model tests for verification. How to truly reproduce the offshore environment and improve the FOWT model The accuracy of experimental research is a common concern of scholars at home and abroad. [0003] For the model test of floating offshore wind turbines, the wind field o...
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IPC IPC(8): G09B23/18
CPCG09B23/188
Inventor 李玉刚迟凤东陈景杰翟钢军乔东生欧进萍
Owner DALIAN UNIV OF TECH