A self-starting darrieus-type windmill

M.N. Nahas

Energy, 1993, vol. 18, issue 9, 899-906

Abstract: A new design concept is proposed for a Darrieus-type windmill in which the straight blades of the rotor are pitched at low values of the tip-speed ratio to make the angle of attack small in order to avoid stall. The new design makes the windmill self-starting, which allows generation of torque and power at low rotational speed. This change eliminates the need for external means of starting and results in an obvious cost advantage. The expected performance of the windmill is analysed in detail and the torque produced and the power coefficient of the new design are compared with those of a conventional Darrieus machine. The effect of geometry on performance has been analysed.

Date: 1993
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:18:y:1993:i:9:p:899-906

DOI: 10.1016/0360-5442(93)90002-U

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