Culvert device of horizontal axis wind-driven generator

Abstract

The invention relates to a culvert device of a horizontal axis wind-driven generator. The culvert device is arranged on the horizontal axis wind-driven generator, and flow field structures around the horizontal axis wind-driven generator are reasonably arranged by using appearance design of inner and outer surfaces of a culvert. The device mainly comprises an inner flow passage formed inside the culvert and an outer flow passage formed outside the culvert; the outer flow passage comprises an external acceleration section (2), an external transition section (3) and an external deceleration section (4); the inner flow passage comprises an internal acceleration section (9), an internal transition section (10) and an internal deceleration section (11); suction passages (6) for connecting the inner and outer flow passages of the culvert are formed between the inner and outer flow passages; the opening size of the suction passages (6) is controlled through a baffle plate; and a plurality of suction passages (6) are uniformly distributed in the wall between the inner and outer flow passages. The device controls a suction device according to the working condition of the culvert wind-driven generator, and the working condition of a wind blade is improved by adjusting the opening size of the suction device.

Description

technical field [0001] The invention relates to a flow field control of a horizontal axis wind power generator. Background technique [0002] At present, wind power generation has attracted more and more attention and attention from various countries because of its huge development potential, among which horizontal axis wind power generators are very popular. However, the power generation efficiency of this type of wind turbine is still low, and the requirements for starting wind speed are high, and the aerodynamic noise of the blades is relatively large during operation, especially when the blades are exposed outdoors for a long time, they are particularly vulnerable to damage from natural factors such as lightning. With the progress and development of society, the concept of energy conservation and environmental protection has become more and more popular, and using clean wind resources as a driving force has become a development direction for society to achieve energy con...

AI Technical Summary

Problems solved by technology

However, the power generation efficiency of this type of wind turbine is still low, the starting wind speed is high, and the aerodynamic noise of the blades is relatively large during operation, especially when the blades are exposed to the outdoors for a long time, they are particularly vulnerable to damage from natural factors such as lightning.

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