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Rainfall simulation device for wind and rain coupling test of wind turbine

A technology for simulating rainfall and wind turbines, applied in the field of wind engineering, can solve the problems of ignoring the combination of multiple particle sizes of raindrop particles and low level of automatic operation, and achieve the effects of economical cost, display and controllable parameters, and simple installation.

Inactive Publication Date: 2018-03-06
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

However, the existing test equipment often ignores the multi-particle size combination of raindrop particles, and the control of key parameters such as rain intensity, combined with other test factors, is not at a high level of automation

Method used

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  • Rainfall simulation device for wind and rain coupling test of wind turbine
  • Rainfall simulation device for wind and rain coupling test of wind turbine

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with specific examples.

[0021] A simulated rainfall device for simulating wind and rain coupling tests of wind turbines, such as figure 1 As shown, it includes four parts: water delivery system, multi-aperture rainfall injection system, integrated control system and collection and drainage system:

[0022] The water delivery system is composed of a water supply tank 1, a submersible pump 2, and a water injection pipe 3; the outer frame of the water supply tank 1 is composed of angle steel to ensure that it has sufficient strength and stability, and the surrounding and bottom panels of the model box are made of transparent steel. Glass, to ensure that it has good observability, and control the water injection speed; the submersible pump 2 is used to realize that the rainwater enters the water injection pipe 3 from the water supply tank 1; the water injection pipe 3 is a rigid water pipe, made of stain...

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Abstract

The invention relates to a rainfall simulation device for a wind and rain coupling test of a wind turbine. The rainfall simulation device comprises a water delivery system, a multi-aperture rainfall injection system, an integrated control system and a collection and drainage system. The water delivery system is composed of a water supply tank and a pumping module. The multi-aperture rainfall injection system consists of a system bracket, a nozzle body, a flow control valve, a steering bearing, and a multi-aperture nozzle. The integrated control system consists of a wind speed measuring instrument, a rain sensor, a temperature sensor, a display, and a connectivity controller. The collection and drainage system consists of a collection tank, a drainage pipe and a manual valve. The rainfall simulation device in the invention is suitable for the field of the wind and rain coupling test of the wind turbine, can be used for effectively researching the wind field change and aerodynamic performance of the wind turbine under dual-phase flow, and can be widely applied to the research on the wind turbine wind field under the action of various kinds of dual-phase flow.

Description

technical field [0001] The invention relates to the technical field of wind engineering, in particular to a simulated rainfall device for a wind-rain coupling test of a wind turbine. Background technique [0002] In recent years, as our country continues to promote the use of clean energy, wind turbines have gradually been applied in our country. However, the wind turbine structure is a typical wind-sensitive structure, and it is mostly placed in areas with strong winds such as mountain suburbs and coasts. Torrential rains and strong winds are often accompanied by each other, forming extreme loads under the coupling of two loads. The dynamic response of wind turbines is more complicated. , The relationship between rain intensity, surface pressure, and raindrop load is still inconclusive, which will greatly affect the safety of wind turbine operation. [0003] The simulated rainfall device is a test system that simulates the natural rainfall process through artificial condit...

Claims

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Application Information

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IPC IPC(8): G01M9/00
CPCG01M9/00
Inventor 杨青柯世堂王同光
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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