The drag characteristics for a newly designed automobilehaving a maximum characteristic
Chapter 7, Problem 7.64(choose chapter or problem)
The drag characteristics for a newly designed automobilehaving a maximum characteristic length of 20 ft are to be determinedthrough a model study. The characteristics at both low speed(approximately 20 mph) and high speed (90 mph) are of interest.For a series of projected model tests, an unpressurized wind tunnelthat will accommodate a model with a maximum characteristiclength of 4 ft is to be used. Determine the range of air velocitiesthat would be required for the wind tunnel if Reynolds numbersimilarity is desired. Are the velocities suitable? Explain.
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