Q1] A shell and tube heat exchanger is used to heat water (C₂= 4236 J/kg. "C) from 80°C to 150°C at a rate of 12.5 kg/s by hot gas that enters the exchanger at 350°C with a rate of 20.36 kg/s. The overall heat transfer coefficient is 290 W/m² °C. The gas making 2-shell passes and the water making 4-tube passes. Calculate the heat transfer surface area (Cp (gas) = 1.04 kJ/kg.°C).

Q1] A shell and tube heat exchanger is used to heat water (C₂= 4236 J/kg. "C) from 80°C to 150°C at a rate of 12.5 kg/s by hot gas that enters the exchanger at 350°C with a rate of 20.36 kg/s. The overall heat transfer coefficient is 290 W/m² °C. The gas making 2-shell passes and the water making 4-tube passes. Calculate the heat transfer surface area (Cp (gas) = 1.04 kJ/kg.°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.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.42P

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