期刊
ENERGIES
卷 8, 期 8, 页码 8482-8496出版社
MDPI AG
DOI: 10.3390/en8088482
关键词
vertical axis turbine; wind turbine; force; measurement; accuracy; normal force; H-rotor; blades
资金
- J. Gust Richert foundation
- STandUP for Energy
The knowledge of unsteady forces is necessary when designing vertical axis wind turbines (VAWTs). Measurement data for turbines operating at an open site are still very limited. The data obtained from wind tunnels or towing tanks can be used, but have limited applicability when designing large-scale VAWTs. This study presents experimental data on the normal forces of a 12-kW straight-bladed VAWT operated at an open site north of Uppsala, Sweden. The normal forces are measured with four single-axis load cells. The data are obtained for a wide range of tip speed ratios: from 1.7 to 4.6. The behavior of the normal forces is analyzed. The presented data can be used in validations of aerodynamic models and the mechanical design for VAWTs.
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