Wind tunnel test of a novel high efficiency wind water device
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Abstract:
In order to solve the problems of multi blade large solid, low coefficient of wind power utilization, and high production cost of traditional wind water machine, this paper investigate a novel wind water pumping machine with design of low degree and high gas dynamic performance model. Then the similarity theory was deducted which was used in wind turbine, and the physical model of the novel wind water device was established. The blowing experiment was carried out in the wind tunnel laboratory of Hohai University, to measure the wind energy utilization coefficient of wind wheel under rated condition and the flow of the device under different conditions, and draw the flow characteristic curve. Experimental results showed that the device could start at 2.8m/s, the wind energy utilization coefficient of the device could reach more than 0.43 under the rated condition, and could meet the design requirements. The wind turbine and pump could match the best performance under the design head, and the efficiency could reach the maximum under this condition.
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