Saturated steam at 1 atm is condensed on the external surface of a copper tube with an outside diameter 16 mm and tube wall of thickness 0.5 mm. The tube is cooled internally by water with a mass flow rate of 0.06 kg/s, which in turn is raised in temperature from 15 oC to 60 oC as it flows through the tube. Take the heat-transfer coefficient at the condensing side as 10.0 kW/m2 K and the isobaric specific heat-capacity of water as 4180 J/kg K. i) Calculate the heat transfer rate to the cooling water. ii) Calculate the length of the tube. Use the steam property table (Roger and Mayhew)
Saturated steam at 1 atm is condensed on the external surface of a copper tube with an outside diameter 16 mm and tube wall of thickness 0.5 mm. The tube is cooled internally by water with a mass flow rate of 0.06 kg/s, which in turn is raised in temperature from 15 oC to 60 oC as it flows through the tube. Take the heat-transfer coefficient at the condensing side as 10.0 kW/m2 K and the isobaric specific heat-capacity of water as 4180 J/kg K. i) Calculate the heat transfer rate to the cooling water. ii) Calculate the length of the tube. Use the steam property table (Roger and Mayhew)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Saturated steam at 1 atm is condensed on the external surface of a copper tube with
an outside diameter 16 mm and tube wall of thickness 0.5 mm. The tube is cooled
internally by water with a mass flow rate of 0.06 kg/s, which in turn is raised in
temperature from 15 oC to 60 oC as it flows through the tube.
Take the heat-transfer coefficient at the condensing side as 10.0 kW/m2
K and the
isobaric specific heat-capacity of water as 4180 J/kg K.
i) Calculate the heat transfer rate to the cooling water.
ii) Calculate the length of the tube.
Use the steam property table (Roger and Mayhew)
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