A Two-Dimensional Methodology to Predict Vertical Axis Wind Turbine Performance

[+] Author and Article Information
B. Fortunato, A. Dadone, V. Trifoni

Instituto di Macchine ed Energetica, Politecnico di Bari, Via Re David 200, 70125 Bari, Italy

J. Sol. Energy Eng 117(3), 187-193 (Aug 01, 1995) (7 pages) doi:10.1115/1.2847779 History: Received January 01, 1994; Revised February 01, 1995; Online February 14, 2008


An accurate two-dimensional methodology, the COIN Lambda Fast Solver, for the computation of the flow field about a vertical axis wind turbine is presented. Such a technique determines the smooth flow field by integrating the compatibility conditions along the bicharacteristic lines. The time-averaged wind turbine effects are introduced by means of an actuator porous cylinder having the same radius of the wind turbine. A time-averaged flow field is determined. The computed vertical axis wind turbine performances are compared with other numerical results. A qualitative comparison with experimental data is also shown. Such comparisons prove the merits of the proposed methodology.

Copyright © 1995 by The American Society of Mechanical Engineers
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