Hot water at 80C flows through a thin-walled copper tube of 30-mm diameter. The tube is...
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Hot water at 80C flows through a thin-walled copper tube of 30-mm diameter. The tube is enclosed by an eccentric cylindrical shell that is maintained at 35C and has a diameter of 135 mm. The eccentricity, defined as the separation between the centers of the tube and shell, is 15 mm. The space between the tube and shell is filled with an insulating material having a thermal conductivity of 0.05 W/m.K. Calculate the rate of heat loss per unit length of the tube and the heat loss rate for a concentric arrangement, both in W/m. gec = q'con = W/m W/m Hot water at 80C flows through a thin-walled copper tube of 30-mm diameter. The tube is enclosed by an eccentric cylindrical shell that is maintained at 35C and has a diameter of 135 mm. The eccentricity, defined as the separation between the centers of the tube and shell, is 15 mm. The space between the tube and shell is filled with an insulating material having a thermal conductivity of 0.05 W/m.K. Calculate the rate of heat loss per unit length of the tube and the heat loss rate for a concentric arrangement, both in W/m. gec = q'con = W/m W/m
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