A shell-and-tube heat exchanger is used to cool hot water by cold water. The heat exchanger has one shell-side pass and two tube-side passes. The how water at 160°C enters the shell-side with a flowrate of 1.5 kg/s while the cold water at 85°C and 3 kg/s enters the tube-side. If the inner tube outer surface area and the corresponding overall heat transfer coefficient are 10.5 m2 and 840 W/m2K, respectively, calculate the exit temperatures of both fluids. (Take the specific heats of hot and cold water are 4340 J/kgK and 4201 J/kgK, respectively)

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Author:Kreith, Frank; Manglik, Raj M.
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Chapter10: Heat Exchangers
Section: Chapter Questions
Problem 10.14P
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A shell-and-tube heat exchanger is used to cool hot water by cold water. The heat exchanger has one shell-side pass and two tube-side passes. The how water at 160°C enters the shell-side with a flowrate of 1.5 kg/s while the cold water at 85°C and 3 kg/s enters the tube-side. If the inner tube outer surface area and the corresponding overall heat transfer coefficient are 10.5 m2 and 840 W/m2K, respectively, calculate the exit temperatures of both fluids. (Take the specific heats of hot and cold water are 4340 J/kgK and 4201 J/kgK, respectively)      

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A shell-and-tube heat exchanger is used to cool hot water by cold water. The heat exchanger has one
shell-side pass and two tube-side passes. The how water at 160°C enters the shell-side with a
flowrate of 1.5 kg/s while the cold water at 85°C and 3 kg/s enters the tube-side. If the inner tube
outer surface area and the corresponding overall heat transfer coefficient are 10.5 m2 and 840
W/m?K, respectively, calculate the exit temperatures of both fluids. (Take the specific heats of hot and
cold water are 4340 J/kgK and 4201 J/kgK, respectively)
Transcribed Image Text:A shell-and-tube heat exchanger is used to cool hot water by cold water. The heat exchanger has one shell-side pass and two tube-side passes. The how water at 160°C enters the shell-side with a flowrate of 1.5 kg/s while the cold water at 85°C and 3 kg/s enters the tube-side. If the inner tube outer surface area and the corresponding overall heat transfer coefficient are 10.5 m2 and 840 W/m?K, respectively, calculate the exit temperatures of both fluids. (Take the specific heats of hot and cold water are 4340 J/kgK and 4201 J/kgK, respectively)
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