Free-air performance tests of a 5-metre-diameter Darrieus turbine | Zendy

R.E. Sheldahl | Zendy; B.F. Blackwell | Zendy

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Free-air performance tests of a 5-metre-diameter Darrieus turbine

Author(s) -

R.E. Sheldahl,

B.F. Blackwell

Publication year - 1977

Language(s) - English

Resource type - Reports

DOI - 10.2172/5265052

Subject(s) - metre , turbine , aerodynamics , marine engineering , ram air turbine , wind tunnel , environmental science , wind power , meteorology , engineering , aerospace engineering , physics , electrical engineering , astronomy

A five-meter-diameter vertical-axis wind turbine has been tested at the Sandia Laboratories Wind Turbine Site. The results of these tests and some of the problems associated with free-air testing of wind turbines are presented. The performance data obtained follow the general trend of data obtained in extensive wind tunnel tests of a 2-meter-diameter turbine. However, the power coefficient data are slightly lower than anticipated. The reasons for this discrepancy are explored along with comparisons between experimental data and a computerized aerodynamic prediction model.

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