文档介绍:Renewable Energy 34 (2009) 2728–2734
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Renewable Energy
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Design of a new urban wind turbine airfoil using a pressure-load
inverse method
. Henriques a,*, F. Marques da Silva b, . Estanqueiro c, . Gato a
a IDMEC, Instituto Superior ico, Universidade ica de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
b LNEC - Laborato´rio Nacional de Engenharia Civil, Av. Brasil, 101, 1700-066 Lisboa, Portugal
c INETI - Instituto Nacional de Engenharia, ologia e Inovaça˜o Estrada do Paço do Lumiar, 1649-038 Lisboa, Portugal
article info abstract
Article history: This paper presents the design methodology of a new wind turbine airfoil that achieves high perfor-
Received 29 July 2008 mance in urban environment by increasing the maximum lift. For this purpose, an inverse method was
Accepted 7 May 2009 applied to obtain a new wind turbine blade section with constant pressure-load along the chord, at the
Available online 27 June 2009
design inlet angle. parison with conventional blade section designs, the new airfoil has increased
maximum lift, reduced leading edge suction peak and controlled soft-stall behaviour, due to a reduction
Keywords: of the adverse pressure gradient on the suction side. Wind tunnel experimental results confirmed the
Wind turbine airfoil
computational results.
Inve