2. A heat exchanger like that is used to heat an oil in the tubes (c = 1.9 kJ/kg- °C) from 15-C to 85°C. Blowing across the outside of the tubes is steam that enters at 130-C and leaves at 110°C with a mass flow of 5.2 kg/sec. The overall heat-transfer coefficient is 275 W/m² °C and c for steam is 1.86 kJ/kg C. Calculate the surface area of the heat exchanger (Holman, 2002). 130 85 Steam Oil 110

2. A heat exchanger like that is used to heat an oil in the tubes (c = 1.9 kJ/kg- °C) from 15-C to 85°C. Blowing across the outside of the tubes is steam that enters at 130-C and leaves at 110°C with a mass flow of 5.2 kg/sec. The overall heat-transfer coefficient is 275 W/m² °C and c for steam is 1.86 kJ/kg C. Calculate the surface area of the heat exchanger (Holman, 2002). 130 85 Steam Oil 110

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 10.45P

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