counterflow double-pipe heat exchanger is used to heat water from 20 deg * C to 40 deg * C with ahot oil which enters the exchanger at 180 deg * C and leaves at 140 deg * C The flow rate of wateris 3.0 kg/s and the overall heat-transfer coefficient is 200 W/m2.K. Assume the specificheat for oil is 2100 J/ kg .K. Suppose the water flow rate is cut in half. 1. What new oil flow rate would be necessary to maintain a 40 deg * C outlet watertemperature?

counterflow double-pipe heat exchanger is used to heat water from 20 deg * C to 40 deg * C with ahot oil which enters the exchanger at 180 deg * C and leaves at 140 deg * C The flow rate of wateris 3.0 kg/s and the overall heat-transfer coefficient is 200 W/m2.K. Assume the specificheat for oil is 2100 J/ kg .K. Suppose the water flow rate is cut in half. 1. What new oil flow rate would be necessary to maintain a 40 deg * C outlet watertemperature?

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 10.32P

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