The drag force on a truck moving at a speed of 95 kmh is to be estimated using the measured data of a similar 1:10 scale model tested in a wind tunnel, Standard air is the fluid in both the prototype and the model, The truck frontal area is 10.7 m* and the measured drag force on the model is 3000 N. Determine: a) the air velocity used in the wind tunnel model tests, and b) the prototype drag force in terms of the measured model drag force.

The drag force on a truck moving at a speed of 95 kmh is to be estimated using the measured data of a similar 1:10 scale model tested in a wind tunnel, Standard air is the fluid in both the prototype and the model, The truck frontal area is 10.7 m* and the measured drag force on the model is 3000 N. Determine: a) the air velocity used in the wind tunnel model tests, and b) the prototype drag force in terms of the measured model drag force.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.8P

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