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The Influence of Engine-Cooling Airflow on Car Performance and Stability
Published May 09, 1995 by Institution of Mechanical Engineers in United Kingdom
The contributions to car aerodynamic drag, lift and side forces due to engine-cooling airflow have been evaluated. Significant effects were found on all three forces and on their associated moments. These effects can be translated into influences on car performances, fuel economy and stability.
In this paper the factors that determine the magnitude of the aerodynamic force contributions due to the cooling airflow are examined. An attempt is made to quantify the influence of each of these factors and, hence, to produce guidelines for optimizing the force contributions due to the cooling airflow.