Insulation Heat Loss - Steel Pipe

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Solved Examples

Estimate heat loss through a 3 inch horizontal pipe insulated with 1.5 inch Mineral wool carrying a fluid at 350 °F. Ambient temperature is 75 °F, and wind speed is 8 mph. Insulation is cladded with All Service Jacket.

Result
Heat Loss 70.54 BTU/h/ft
Surface Temp. 84.75 °F

Estimate heat gain through a 3 inch horizontal pipe insulated with 2 inch Polyisocyanurate carrying a fluid at -100 °F. Ambient temperature is 75 °F, and wind speed is 8 mph. Insulation is cladded with All Service Jacket.

Result
Heat Gain 21.91 BTU/h/ft
Surface Temp. 72.24 °F