76. All surfaces of an infinitely lang heating element, having a cross section in the shape of a cross, are maintained at 300 C. Due to symmetry, only a quarter of the cross section is shown in the figure Heat is uniformly produced in the element at a rate of 100 kW/m. Find the temperature distribution in the element at the locations shown in the figure. The element thermal conductivity is 35 W/m K. All surfaces are exposed to a convection boundary condition of T; = 40 C and h = 1200 W/m^2c.

76. All surfaces of an infinitely lang heating element, having a cross section in the shape of a cross, are maintained at 300 C. Due to symmetry, only a quarter of the cross section is shown in the figure Heat is uniformly produced in the element at a rate of 100 kW/m. Find the temperature distribution in the element at the locations shown in the figure. The element thermal conductivity is 35 W/m K. All surfaces are exposed to a convection boundary condition of T; = 40 C and h = 1200 W/m^2c.

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.

Chapter8: Natural Convection

Section: Chapter Questions

Problem 8.53P

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