Performance assessment of a small wind turbine with crossflow runner by numerical simulations

A. Dragomirescu

Renewable Energy, 2011, vol. 36, issue 3, 957-965

Abstract: Most of the classical wind turbines are not able to start at wind speeds as low as 2–3 m/s. Other turbines, like Savonius, have a low maximum efficiency, which renders them useless in poor wind conditions. Therefore, new turbine designs are required to harvest wind power even when the wind speed is low. A wind turbine having a crossflow runner, similar to the Banki water turbine, is studied numerically in this work in order to estimate its performance. The results obtained suggest that this turbine has a considerable high starting torque and its maximum power coefficient is comparable to those of horizontal axis wind turbines. Based on the results obtained, some improvements of the design are proposed in order to further increase turbine performance.

Keywords: Crossflow runner; Power coefficient; Starting torque; Torque coefficient; Wind turbine (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:36:y:2011:i:3:p:957-965

DOI: 10.1016/j.renene.2010.07.028

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