A double-pipe, parallel-flow heat exchanger uses oil (ep 1.88kJ/kg. "C) at an initial temperature of 205 °C to heat water, flowing at 225 kg/h, from 16°C to 44 C. The oil flow rate is 270 kg/h. Determine: a) The heat exchanger area is required for an overall heat transfer coefficient of 340 W/m²."C? b) The number of transfer units (NTU).

A double-pipe, parallel-flow heat exchanger uses oil (ep 1.88kJ/kg. "C) at an initial temperature of 205 °C to heat water, flowing at 225 kg/h, from 16°C to 44 C. The oil flow rate is 270 kg/h. Determine: a) The heat exchanger area is required for an overall heat transfer coefficient of 340 W/m²."C? b) The number of transfer units (NTU).

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 10.31P

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