In a double-pipe, counter-flow heatexchanger, water entering at 1.5 kg/sis heated from 25°C to 70°C as it flowsthru the inner pipe. Hot oil enters theheat exchanger at 2.5 kg/s and 115°C.The convection heat transfercoefficients in the cold- and hot-sidesare 100 and 50 kW/m2.°C,respectively. Calculate the requiredheat transfer area in m2. TakeCp=4.18 kJ/kg.°C for water, and cp = 1.67%3D%3DkJ/kg.°C for oil.

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Answered: In a double-pipe, counter-flow heat…

In a double-pipe, counter-flow heat exchanger, water entering at 1.5 kg/s is heated from 25°C to 70°C as it flows thru the inner pipe. Hot oil enters the

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 10.23P

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