Cold water (cp = 4180 J/kg·K) enters the tubes of a heat exchanger with 2-shell passes and 12-tube passes at 14°C at a rate of 3 kg/s, while hot oil (cp = 2200 J/kg·K) enters the shell at 200°C at the same mass flow rate. The overall heat transfer coefficient based on the outer surface of the tube is 300 W/m2·K and the heat transfer surface area on that side is 20 m2. Determine the rate of heat transfer using (a) the LMTD method and (b) the ε–NTU method

Cold water (cp = 4180 J/kg·K) enters the tubes of a heat exchanger with 2-shell passes and 12-tube passes at 14°C at a rate of 3 kg/s, while hot oil (cp = 2200 J/kg·K) enters the shell at 200°C at the same mass flow rate. The overall heat transfer coefficient based on the outer surface of the tube is 300 W/m2·K and the heat transfer surface area on that side is 20 m2. Determine the rate of heat transfer using (a) the LMTD method and (b) the ε–NTU method

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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