Air at a temperature of 25°C is blown across a flat plate at a mean velocity of 10 m/s. If the plate surface temperature is 525°C, make calculations for the heat transferred per metre width from both sides of plate over distance of 30 cm from the leading edge. The local value of Nusselt number is given by: ja.17 Nu, =0.332| 9R ² ( Pr) Where T, and T, are the absolute temperature of the plate surface and the free stream of air respectively. The properties of air at the mean film temperature are : p = 0.615 kg/ m ; C, = 1.0465 kJ/ kg.K ; k = 0.046 W/ mk ; p = N.s/ m?

Air at a temperature of 25°C is blown across a flat plate at a mean velocity of 10 m/s. If the plate surface temperature is 525°C, make calculations for the heat transferred per metre width from both sides of plate over distance of 30 cm from the leading edge. The local value of Nusselt number is given by: ja.17 Nu, =0.332| 9R ² ( Pr) Where T, and T, are the absolute temperature of the plate surface and the free stream of air respectively. The properties of air at the mean film temperature are : p = 0.615 kg/ m ; C, = 1.0465 kJ/ kg.K ; k = 0.046 W/ mk ; p = N.s/ m?

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 5.54P

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