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Question: thermal engineering...

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A spherical iron shell container as shown in Figure Q1(A) is filled with a hot fluid. The inner and outer radius of the container is0.4 m and ro 0.8 m, respectively. The temperature measurement of inner surface temperature is Ti = 180 °C and the outer surface temperature s To-60 °C a) List five (5) assumptions needed to solve the problem. Using the differential equation method, obtain the equation for the one dimensional temperature distribution with no heat generation inside the shell, and calculate the surface temperature at r = 0.6 m. b) Three dimensional conduction heat transfer equation in spherical coordinates (10 marks)

*Thermal Engineering

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