Hot water at 60℃ is cooled to 36℃ through the tube side of a 1–shell pass and 2-tube passes heat exchanger. The coolant is also a water stream, for which the inlet and outlet temperatures are 7℃ and 31℃, respectively. The overall heat transfer coefficient and the heat transfer area are 950 W/m2 K and 15 m2 , respectively. Calculate the mass flow rates of hot and cold water streams in steady operation. (Answers: 3.63 kg/s for both stream)

Hot water at 60℃ is cooled to 36℃ through the tube side of a 1–shell pass and 2-tube passes heat exchanger. The coolant is also a water stream, for which the inlet and outlet temperatures are 7℃ and 31℃, respectively. The overall heat transfer coefficient and the heat transfer area are 950 W/m2 K and 15 m2 , respectively. Calculate the mass flow rates of hot and cold water streams in steady operation. (Answers: 3.63 kg/s for both stream)

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.54P

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