What thickness of urethane foam is required to reduce the

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The wall of a spherical tank of 1-m diameter contains an exothermic chemical reaction and is at 200^oC when the ambient air temperature is 25^oC. What thickness of urethane foam is required to reduce the exterior temperature to 40^oC, assuming the convection coefficient is 20 W/m2K for both situations? What is the percentage reduction in heat rate achieved by using the insulation?

Reference no: EM13608074

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