A vortex model for Darrieus turbine using finite element techniques

Fernando L. Ponta and Pablo M. Jacovkis

Renewable Energy, 2001, vol. 24, issue 1, 1-18

Abstract: Since 1970 several aerodynamic prediction models have been formulated for the Darrieus turbine. We can identify two families of models: stream-tube and vortex. The former needs much less computation time but the latter is more accurate. The purpose of this paper is to show a new option for modelling the aerodynamic behaviour of Darrieus turbines. The idea is to combine a classic free vortex model with a finite element analysis of the flow in the surroundings of the blades. This avoids some of the remaining deficiencies in classic vortex models. The agreement between analysis and experiment when predicting instantaneous blade forces and near wake flow behind the rotor is better than the one obtained in previous models.

Keywords: Darrieus turbine; Free vortex model; Finite element; Vertical axis wind turbine; Numerical modelling (search for similar items in EconPapers)
Date: 2001
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:24:y:2001:i:1:p:1-18

DOI: 10.1016/S0960-1481(00)00190-7

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