Flowfield around a partially-blocked Savonius rotor

M. A. Kotb and T. K. Aldoss

Applied Energy, 1991, vol. 38, issue 2, 117-132

Abstract: One way of power augmentation in the case of Savonius rotors is through preventing the upstream flow from reaching the upwind bucket. To gain more insight and a deeper understanding of this mechanism, a discrete vortex method was applied to the behaviour of a Savonius rotor with one bucket shielded. The flow around and past the rotor was computed. The wake characteristics are shown for two case studies; namely, rotating and stationary for a number of rotor angular positions.

Date: 1991
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