Answered: Air at 20°C and 1 atm fl ows at 50 ft/s…

Air at 20°C and 1 atm fl ows at 50 ft/s past a thin fl at platewhose area (bL) is 24 ft2. If the total friction drag is 0.3 lbf,what are the length and width of the plate?

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 5.30P: Air at 1000C flows at an inlet velocity of 2 m/s between two parallel flat plates spaced 1 cm apart....

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Air at 20°C and 1 atm fl ows at 50 ft/s past a thin fl at plate
whose area (bL) is 24 ft². If the total friction drag is 0.3 lbf,
what are the length and width of the plate?

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