The temperature at the inner and outer surfaces of a boiler wall made of 25 mm thick steel and covered with an insulating material of 10 mm thickness are 300 C and 50C respectively. If the thermal conductivities of steel and insulating material are 58W/mC and 0.116 W/mC respectively, determine the total resistance through the boiler wall. (Note area of sample boiler wall is 8 m2)
The temperature at the inner and outer surfaces of a boiler wall made of 25 mm thick steel and covered with an insulating material of 10 mm thickness are 300 C and 50C respectively. If the thermal conductivities of steel and insulating material are 58W/mC and 0.116 W/mC respectively, determine the total resistance through the boiler wall. (Note area of sample boiler wall is 8 m2)
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.
Chapter4: Numerical Analysis Of Heat Conduction
Section: Chapter Questions
Problem 4.12P
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The temperature at the inner and outer surfaces of a boiler wall made of 25 mm thick steel and covered with an insulating material of
10 mm thickness are 300 C and 50C respectively. If the thermal conductivities of steel and insulating material are 58W/mC and 0.116
W/mC respectively, determine the total resistance through the boiler wall. (Note area of sample boiler wall is 8 m2)
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