A concentric counterflow heat exchanger is used to cool oil by water. The oil flow rate is 0.1 kg/s and enters at 100 C. Water enters at 30 C and a flow rate of0.2 kg/s. The heat transfer area is 5.223 m2 and the overall heat transfer coefficient is 37.8 W/m2·K. Find the rate of heat transfer and exit temperatures. Data: Cp,h = 2131 J/kg·K and Cp,c = 4178 J/kg·K. [Ans.: Q = 8524 W, Tho = 60 C, and Tco = 40 C].

A concentric counterflow heat exchanger is used to cool oil by water. The oil flow rate is 0.1 kg/s and enters at 100 C. Water enters at 30 C and a flow rate of0.2 kg/s. The heat transfer area is 5.223 m2 and the overall heat transfer coefficient is 37.8 W/m2·K. Find the rate of heat transfer and exit temperatures. Data: Cp,h = 2131 J/kg·K and Cp,c = 4178 J/kg·K. [Ans.: Q = 8524 W, Tho = 60 C, and Tco = 40 C].

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.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.40P

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