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A CFD Simulation of a Ducted Wind Turbine With Ejector Assist

[+] Author Affiliations
Demos P. Georgiou, Kypros F. Milidonis, Nikolaos G. Theodoropoulos

University of Patras, Patras, Achaia, Greece

Paper No. ESDA2012-82616, pp. 185-191; 7 pages
doi:10.1115/ESDA2012-82616
From:
  • ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 2: Applied Fluid Mechanics; Electromechanical Systems and Mechatronics; Advanced Energy Systems; Thermal Engineering; Human Factors and Cognitive Engineering
  • Nantes, France, July 2–4, 2012
  • Conference Sponsors: International
  • ISBN: 978-0-7918-4485-4
  • Copyright © 2012 by ASME

abstract

Ducted Wind Turbines have been the subject of numerous studies in the past (both analytic and experimental), but the concept has not found commercial use so far, mainly due to the poor performance of the tested configurations. Our analytical studies, however, have shown that an optimized configuration of a Ducted Wind Turbine with ejector type assist for the exhaust may generated Power Coefficients of the order of CP = 6. This corresponds to the output of nearly 15 conventional un-ducted wind Turbines (with a typical CP = 0.4). The present study simulates the Two Dimensional simplification of such a Wind Turbine Plant by employing the commercial code FLUENT and compares its performance against the case of an open (no turbine) duct.

Copyright © 2012 by ASME

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