Fluid Mechanics
CE 505
Question
2071 ShrawanChapter 9: Flow Past Submerged Bodies9.2 Expressions for Drag and Lift
Automobile having a projected area of 1.6 m² and drag coefficient (C_d=0.35) travels at a uniform speed of 60 km/hr in still air of density 1.2 kg/m³. Calculate the power required to overcome the air resistance. If the drag coefficient of the automobile is reduced by 15% by improving streamlining, what percentage increase in speed could be obtained with the same power?
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