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Unsteady pressure measurement of the wake flow behind a passenger car model
Published May 19, 1999 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Spring Conference
This paper presents a system for measuring unsteady pressure at up to 256 spatial points and at a frequency of 300 Hz. A 1/5- scale model of a sedan was used in this experiment. The passenger car model was placed in a wind tunnel equipped with a moving belt, which moved at the same speed as the uniform flow in the wind tunnel. Pressure measurements were obtained at 252 points on a plane behind the model and perpendicular to the uniform flow. The results obtained were animated, and the fluctuation of the wake was visualized.