Answer to Question #167191 in Mechanical Engineering for Allen Ayibadiepreye

Question #167191

water at 80c flows through a 50mm bore steel pipe of 6mm thickness and the atmospheric temperature is 15c. The thermal conductivity of the steel is 48w/m^2k, and the inside and outside heat transfer coefficients are 2800 n 17 w/m^2k. Neglecting radiation, calculate the rate of heat transfer per unit length of pipe. If a layer of insulation 12mm thick of thermal conductivity 0.03w/mk is wrapped round the outside surface, calculate the percentage reduction in heat loss for the pipe


1
Expert's answer
2021-03-01T02:15:43-0500

Rate of heat loss per unit length = 213.12 W


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