2. A spherical container of negligible thickness holding a hot fluid at 150°C and having an outer diameter of .5 m is insulated with three layers of each 40 mm thick insulation of ki = 0.02; k2 = 0.06 and ka = 0.16W/m-K (starting from the inside). The outside surface temperature is 30°C. Determine the interface temperatures of insulating layers (°C). %3D

2. A spherical container of negligible thickness holding a hot fluid at 150°C and having an outer diameter of .5 m is insulated with three layers of each 40 mm thick insulation of ki = 0.02; k2 = 0.06 and ka = 0.16W/m-K (starting from the inside). The outside surface temperature is 30°C. Determine the interface temperatures of insulating layers (°C). %3D

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 8.33P

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