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Performance evaluation of three cross flow vertical axis wind turbine configurations.

By Gareth Colley, Rakesh Mishra, H.V. Rao and R. Woolhead

Abstract

The performance output of three Vertical Axis Wind Turbine (VAWT) configurations has been evaluated using a two-dimensional Computational Fluid Dynamic (CFD) model. Data has been obtained using a quasi-steady Multi Reference Frame (MRF) approach in which the three variants were subjected to an inlet velocity of 4m/s and rotor blade tip speed ratios (λ) in the range of 0 to 0.6. The results obtained show a clear reduction in torque output as both the number of stator and rotor blades decrease. Furthermore, the power output of for each configuration reduces as a function of a reduction in number of stator/rotor blades

Topics: T1, TJ
Publisher: University of Huddersfield
Year: 2009
OAI identifier: oai:eprints.hud.ac.uk:6881

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