Simulations of a vertical axis turbine in a channel

Anders Goude and Olov Ågren

Renewable Energy, 2014, vol. 63, issue C, 477-485

Abstract: The power coefficient of a turbine increases according to the predictions from streamtube theory for sites with a confined fluid flow. Here, a vertical axis turbine (optimized for free flow) has been simulated by a two-dimensional vortex method, both in a channel and in free flow. The first part of the study concerns the numerical parameters of channel simulations. It is found that for free flow and wide channels, a large number of revolutions is required for convergence (around 100 at the optimal tip speed ratio and increasing with higher tip speed ratio), while for smaller channels, the required number of revolutions decreases.

Keywords: Vertical axis turbine; Vortex method; Channel flow; Simulation; Current power (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:63:y:2014:i:c:p:477-485

DOI: 10.1016/j.renene.2013.09.038

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