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Mechanical Engineering
ent of a vehicle increases when its windows are rolled down or its sunroof is opened. A sports car has a frontal area of 18 ft2 and a drag coefficient of 0.32 when the windows and sunroof are closed. The drag coefficient increases to 0.41 when the sunroof is open. Take the density of air to be 0.075 lbm/ft3. Determine the additional power consumption of the car when the sunro

ent of a vehicle increases when its windows are rolled down or its sunroof is opened. A sports car has a frontal area of 18 ft2 and a drag coefficient of 0.32 when the windows and sunroof are closed. The drag coefficient increases to 0.41 when the sunroof is open. Take the density of air to be 0.075 lbm/ft3. Determine the additional power consumption of the car when the sunro

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter1: Heat, Temperature, And Pressure
Section: Chapter Questions
Problem 17RQ: Convert 22C to Fahrenheit.
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The drag coefficient of a vehicle increases when its windows are rolled down or its sunroof is opened. A sports car has a frontal area of 18 ft2 and a drag coefficient of 0.32 when the windows and sunroof are closed. The drag coefficient increases to 0.41 when the sunroof is open. Take the density of air to be 0.075 lbm/ft3. Determine the additional power consumption of the car when the sunroof is opened at (a) 32 mi/h and (b) 70 mi/h.

Cp = 0.32 CD=0.41 Sunroof closed Sunroof open
Transcribed Image Text:Cp = 0.32 CD=0.41 Sunroof closed Sunroof open
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