### Write the two dimensional steady state heat equation

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Consider a semi-circular section of a tube with inside radius and outside radius Heat is exchanged by convection along the inside and outside cylindrical surfaces.

The inside temperature and heat transfer coefficient are and The outside temperature and heat transfer coefficient are and The two plane surfaces are maintained at uniform temperature. Write the two-dimensional steady state heat equation and boundary conditions. #### Write the steady state two dimensional heat equation

The heat transfer coefficient is h, emissivity H, ambient temperature T and surroundings temperature is T Use a simplified radiation model and assume that the cable is infi

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