A 4m x 4m flat plate maintained at a constant temperature of 80°C is subjected to parallel flow of air at 1 atm, 20°C, and 10 m/s. The total drag force acting on the upper surface of the plate is measured to be 2.4N. Determine the average convection heat transfer coefficient, and the rate of heat transfer between the upper surface of the plate and the air. The properties of air at 20°C and 1 atm from tables, are: p= 1.204 kg/m', C, =1.007 kJ/kg.K, Pr = 0.7309

A 4m x 4m flat plate maintained at a constant temperature of 80°C is subjected to parallel flow of air at 1 atm, 20°C, and 10 m/s. The total drag force acting on the upper surface of the plate is measured to be 2.4N. Determine the average convection heat transfer coefficient, and the rate of heat transfer between the upper surface of the plate and the air. The properties of air at 20°C and 1 atm from tables, are: p= 1.204 kg/m', C, =1.007 kJ/kg.K, Pr = 0.7309

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 5.65P

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