The wind energy is deemed as one of the most durable energetic variants of the future because the wind resources are immense. Furthermore, one predicts that the small wind turbines will play a vital role in the urban environment. Unfortunately, the complexity and the price of pitch regulated small horizontal-axis wind turbines represent ones of the main obstacles to widespread the use in populated zones. In contrast to these wind turbines, the Darrieus wind turbines are simpler and their price is lower. Unfortunately, their blades run at high variations of angles of attack, in stall and post-stall regimes, which can induce significant vibrations, fatigue and even the wind turbine failure. For this reason, the present paper deals with a blade with sine variation of chord length along the height because it has better behavior in stall and post-stall regimes than the classic blade with constant chord length.
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17 October 2013
11TH INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS 2013: ICNAAM 2013
21–27 September 2013
Rhodes, Greece
Research Article|
October 17 2013
Aerodynamic study of a blade with sine variation of chord length along the height for Darrieus wind turbine
D. E. Crunteanu;
D. E. Crunteanu
University Politehnica of Bucharest, Faculty of Aerospace Engineering, 1-7 Polizu Street, 011061, Bucharest 1,
Romania
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S. G. Constantinescu;
S. G. Constantinescu
Dunãrea de Jos Univerity of Galaţi 47 Strada Domneascã, 800008 Galaţi,
Romania
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M. L. Niculescu
M. L. Niculescu
National Institute for Aerospace Research Elie Carafoli INCAS 220 Iuliu Maniu Avenue, 061126 Bucharest 6,
Romania
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D. E. Crunteanu
S. G. Constantinescu
M. L. Niculescu
University Politehnica of Bucharest, Faculty of Aerospace Engineering, 1-7 Polizu Street, 011061, Bucharest 1,
Romania
AIP Conf. Proc. 1558, 1249–1252 (2013)
Citation
D. E. Crunteanu, S. G. Constantinescu, M. L. Niculescu; Aerodynamic study of a blade with sine variation of chord length along the height for Darrieus wind turbine. AIP Conf. Proc. 17 October 2013; 1558 (1): 1249–1252. https://doi.org/10.1063/1.4825737
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