As shown in Fig. P9.74, the aerodynamic drag on a truck can be reduced by the use
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As shown in Fig. P9.74, the aerodynamic drag on a truck can be reduced by the use of appropriate air deflectors. A reduction in drag coefficient from \(C_{D}=0.96\) to \(C_{D}=0.70\) corresponds to a reduction of how many horsepower needed at a highway speed of \(65 \mathrm{mph}\)?
Fig. P9.74
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Related Book For
Munson Young And Okiishi's Fundamentals Of Fluid Mechanics
ISBN: 9781119080701
8th Edition
Authors: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein
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