Generalizations on the Aerodynamic Characteristics of Sedan Type Automobile Bodies 660389

A set of empirical equations are offered which define the variation of aerodynamic coefficients with yaw angle for sedan type automobile bodies. These are derived from wind tunnel tests on 3/8 size models of 21 automobile body forms, of which 17 were production car specimens. The results show that while body form and features exert decisive influence on numerical values of force and moment coefficients, their mode of variation with yaw angle is independent of body shape and size.


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