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RESEARCH PAPERS

Experimental Study on the Aerodynamic Performance of a Savonius Rotor

[+] Author and Article Information
Nobuyuki Fujisawa, Futoshi Gotoh

Department of Mechanical Engineering, Gunma University, Kiryu 376, Japan

J. Sol. Energy Eng 116(3), 148-152 (Aug 01, 1994) (5 pages) doi:10.1115/1.2930074 History: Received May 01, 1991; Revised April 01, 1994; Online June 06, 2008

Abstract

The aerodynamic performance of a Savonius rotor has been studied by measuring the pressure distributions on the blade surfaces at various rotor angles and tip-speed ratios. It is found that the pressure distributions on the rotating rotor differ remarkably from those on the still rotor especially on the convex side of the advancing blade, where a low pressure region is formed by the moving wall effect of the blade. The torque and power performances, evaluated by integrating the pressure, are in close agreement with those by the direct torque measurement. The drag and side force performance is also studied.

Copyright © 1994 by The American Society of Mechanical Engineers
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