Engineering, 26.08.2019 22:10 lexusdixon3

The wall of a spherical tank of 1-m diameter contains an exothermic chemical reaction and is at 200 c when the ambient air temperature is 25 c. what thickness of urethane foam is required to reduce the exterior temperature to 40 c, assuming the convection coefficient is 20 w/m2 k for both situations? what is the percentage reduction in heat rate achieved by using the insulation?

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The wall of a spherical tank of 1-m diameter contains an exothermic chemical reaction and is at 200...