The convection coefficient is 55 wm2 k and radiation

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Reference no: EM13644365

A steam pipe of 120 mm outside diameter and is covered with a 20 mm thick layer of calcium silicate insulation (k = 0.089W/m * K ). The surface temperature of the pipe is 800 K, and the ambient air and surrounding temperatures is 300 K. The convection coefficient is 5.5 W/m^2 *k and radiation coefficient is 10 W/m^2 * k. Determine the heat rate per unit length from the pipe (W/M) and the insulation outer surface temperature (K).

Reference no: EM13644365

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