Question

A steel spherical vessel thickness of 2 cm and id of 0.3 m with conductivity of 40 w/mk. Vessel is insulated with two consequent layers of 6 cm thickness of conductivity 0.05 and 0.15 w/mk. The inside surface is at 196c. The outside is exposed to air at 30c with convection coefficient of 35 w/m2k. There is a contact resistance of 1 10-3 m2 c/w between the two insulations. Determine the surface temperatures and also heat gain by the inside surface

Answer 1

Answer:

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