Journal
Energies
Volume 8, Issue 10, Pages 11800-11820Publisher
MDPI AG
DOI: 10.3390/en81011800
Keywords
wind turbine; vertical axis turbine; force; measurement; open site; simulation; vortex model; dynamic stall
Categories
Funding
- STandUP for Energy
- J. Gust Richert foundation
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Cyclic blade motion during operation of vertical axis wind turbines (VAWTs) imposes challenges on the simulations models of the aerodynamics of VAWTs. A two-dimensional vortex model is validated against the new experimental data on a 12-kW straight-bladed VAWT, which is operated at an open site. The results on the normal force on one blade are analyzed. The model is assessed against the measured data in the wide range of tip speed ratios: from 1.8 to 4.6. The predicted results within one revolution have a similar shape and magnitude as the measured data, though the model does not reproduce every detail of the experimental data. The present model can be used when dimensioning the turbine for maximum loads.
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