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Titolo:
Studies on a horizontal axis wind turbine with passive pitch-flap mechanism (performance and flow analysis around wind turbine)
Autore:
Shimizu, Y; Kamada, Y;
Indirizzi:
Mie Univ, Dept Mech Engn, Tsu, Mie 5148507, Japan Mie Univ Tsu Mie Japan 5148507 v, Dept Mech Engn, Tsu, Mie 5148507, Japan
Titolo Testata:
JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME
fascicolo: 3, volume: 123, anno: 2001,
pagine: 516 - 522
SICI:
0098-2202(200109)123:3<516:SOAHAW>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Keywords:
fluid machinery; horizontal axis wind turbine; passive control; pitching and flapping motions; flow pattern; flow visualization; vortex ring;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
7
Recensione:
Indirizzi per estratti:
Indirizzo: Shimizu, Y Mie Univ, Dept Mech Engn, 1515 Kamihama Cho, Tsu, Mie 5148507, Japan Mie Univ 1515 Kamihama Cho Tsu Mie Japan 5148507 5148507, Japan
Citazione:
Y. Shimizu e Y. Kamada, "Studies on a horizontal axis wind turbine with passive pitch-flap mechanism (performance and flow analysis around wind turbine)", J FLUID ENG, 123(3), 2001, pp. 516-522

Abstract

This paper describes the development of a passive system to control the output power of a horizontal axis wind turbine. This pitch-flap coupling mechanism call reduce rotor power above rated wind speed. This mechanism has two kinds of blade motions: the flapping and the pitching motions. In this paper, braking effects are investigated experimentally . It is found that thebreaking effect is improved when the ratio of pitch to flap motions is large. Also, the flow pattern around the wind turbine is investigated. It is found that the braking effects are caused by a couple of ring vortices.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/04/20 alle ore 00:14:53