On the structural behaviour of variable-geometry oval-trajectory Darrieus wind turbines

A.D. Otero and F.L. Ponta

Renewable Energy, 2009, vol. 34, issue 3, 827-832

Abstract: We developed a computational model based on a finite-element mixed formulation with quadratic isoparametric beam elements. We applied this model to the analysis of a blade-wagon: a novel structure characteristic of an innovative concept in wind-power called VGOT Darrieus turbine. We studied the structural behaviour of its main components: chassis, suspension and blade, using combinations of beam/bar elements in an appropriate assembling. We defined a set of parameters to characterize the structural behaviour which help to understand the contribution of the different components and assist the process of redesign.

Keywords: Finite-element method; Wind-turbine structure; Mixed-formulation isoparametric element; Timoshenko beam element; Wind-turbine innovative concept (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:34:y:2009:i:3:p:827-832

DOI: 10.1016/j.renene.2008.06.007

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