The Performance of Two Savonius Rotors Running Side by Side

An experimental investigation of the performance of two Savonius rotors operated side by side is carried out. It is found that there is an optimum separation distance between the two rotors at which the maximum power output can be obtained. Two configurations are considered: I — Two counter-rotating...

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Bibliographic Details
Published in:Wind engineering 1987-01, Vol.11 (2), p.79-88
Main Authors: Aldoss, Taha K., Najjar, Yousef S. H., Najjor, Y.S.H.
Format: Article
Language:English
Subjects:
Aerospace engineering
Coefficients
Energy engineering
Flow velocity
Running
Speed
Torque
Velocity distribution
Wind power
Wind tunnels
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Summary:An experimental investigation of the performance of two Savonius rotors operated side by side is carried out. It is found that there is an optimum separation distance between the two rotors at which the maximum power output can be obtained. Two configurations are considered: I — Two counter-rotating rotors are placed side by side with their driving blades running in the middle region between them. II — As in I, but with the upwind blades running in the middle region. The optimum separation distance is found to be the same for the above two configurations, but configuration I is found to give higher power output. Power augmentation is also found to be achieved by both configurations.
ISSN:0309-524X
2048-402X