On the Highest Efficiency Windmill Design

[+] Author and Article Information
S. Galetuse

Department of Aeronautical Engineering, Polytechnic Institute of Bucharest, Bucharest, Romania

J. Sol. Energy Eng 108(1), 41-48 (Feb 01, 1986) (8 pages) doi:10.1115/1.3268062 History: Received June 01, 1984; Online November 11, 2009


A discussion concerning the effect of profile drag on induced velocities is presented. It is concluded that Glauert’s relations for the ideal windmill are also valid for a real windmill. Using these results, the optimum conditions for induced efficiency and power coefficient are obtained. The chord distribution and the twist of the blade are then given as a function of constant K 2 for highest power coefficient.

Copyright © 1986 by ASME
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