What is the heat transfer rate from the steam line

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Reference no: EM131240434

An overhead 25-m-long, uninsulated industrial steam pipe of 100 mm diameter is routed through a building whose walls and air are at 25°C. Pressurized steam maintains a pipe surface temperature of 150°C, and the coefficient associated with free convection is h = 10 W/m² . K . The surface emissivity is ε = 0.8. What is the heat transfer rate from the steam line? Would applying a low emissivity coating (ε = 0.10) to the pipe exterior surface change the heat transfer rate significantly?

Reference no: EM131240434

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