Characterization of the Flow Separation of a Variable Camber Airfoil

YANG Wen-Chao; WANG Hui; YANG Jian-Ting; YANG Ji-Ming

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Characterization of the Flow Separation of a Variable Camber Airfoil

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An experimental investigation is carried out to study the How separation behaviors of a variable camber airfoil. The aerodynamic load measurements and related flow visualization show that there are two types of stalls caused by the deformation on the camber: the leading-edge stall and the trailing-edge stall. Static measurements of aerodynamic force show a drastic leading-edge stall, while the serial measurements on an airfoil with camber deformation illustrate a trailing-edge stall and gradual bending-over on the aerodynamic coefficient curve. Under flow separation circumstances, the Bow structure is related not only to current boundary conditions, but also the previous flow characteristics, so the quasi-steady aerodynamic characteristics are significantly distinct from those of the static measurements.%An experimental investigation is carried out to study the flow separation behaviors of a variable camber airfoil.The aerodynamic load measurements and related flow visualization show that there are two types of stalls caused by the deformation on the camber:the leading-edge stall and the trailing-edge stall.Static measurements of aerodynamic force show a drastic leading-edge stall,while the serial measurements on an airfoil with camber deformation illustrate a trailing-edge stall and gradual bending-over on the aerodynamic coefficient curve.Under flow separation circumstances,the flow structure is related not only to current boundary conditions,but also the previous flow characteristics,so the quasi-steady aerodynamic characteristics are significantly distinct from those of the static measurements.

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《中国物理快报：英文版》 |2012年第4期|137-140|共4页
作者
YANG Wen-Chao; WANG Hui; YANG Jian-Ting; YANG Ji-Ming;
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Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027;

Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027;

Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027;

Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027;

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Characterization of the Flow Separation of a Variable Camber Airfoil

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