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Hot water at an average temperature of 53°C and an average velocity of 04 ms is flowing through a 5m section of a thin walled hot water pipe that has an outer diameter of 25 cm The pipe passes

Hot water at an average temperature of 53°C and an average velocity of 04 ms is flowing through a 5m section of a thin walled hot water pipe that has an outer diameter of 25 cm The pipe passes

Hot water at an average temperature of 53°C and an average velocity of 0.4 m/s is flowing through a 5-m section of a thin-walled hot-water pipe that has an outer diameter of 2.5 cm. The pipe passes through the center of a 14-cm-thick wall filled with fiberglass insulation (k = 0.035 W/m·K). If the surfaces of the wall are at 18°C, determine (a) the rate of heat transfer from the pipe to the air in the rooms and (b) the temperature drop of the hot water as it flows through this 5-m-long section of the wall.

 

 

 
rahul 21-Jul-2020

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