In a pharmaceutical plant, a copper pipe (kc = 400 W/mK) with inner diameter of 20 mm and wall thickness of 2.5 mm is used for c
arrying liquid oxygen to a storage tank. The liquid oxygen flowing in the pipe has an average temperature of -200 deg C and a convention heat transfer coefficient of 120 W/m^2 K.
If the dew point is 10 deg C, determine the thickness of the insulation (ki = 0.05 W/m K) around the copper pipe to avoid condensation on the outer surface. Assume thermal contact resistance is negligible.
If the dew point is 10 deg C, determine the thickness of the insulation (ki = 0.05 W/m K) around the copper pipe to avoid condensation on the outer surface. Assume thermal contact resistance is negligible.
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