Water (Cp = 4200 J/kg- °C) is used cool an unknown fluid (with a given Cp = 3810 J/kg.°C) using a two-pass parallel flow double-pipe heat exchanger. The unknown fluid enters the heat exchanger at 66 °C with a flowrate of 1.46 kg/s. Water can be supplied at 10 °C and 1.32 kg/s. If the heat exchanger cool the unknown fluid to 39 °C, then the effectiveness of this heat exchanger is equal to 0.24 0.48 96

Water (Cp = 4200 J/kg- °C) is used cool an unknown fluid (with a given Cp = 3810 J/kg.°C) using a two-pass parallel flow double-pipe heat exchanger. The unknown fluid enters the heat exchanger at 66 °C with a flowrate of 1.46 kg/s. Water can be supplied at 10 °C and 1.32 kg/s. If the heat exchanger cool the unknown fluid to 39 °C, then the effectiveness of this heat exchanger is equal to 0.24 0.48 96

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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Concept explainers

Heat Exchangers

Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.

Heat Exchanger

The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.

Question

Water (Cp = 4200 J/kg- °C) is used
cool an unknown fluid (with a given
Cp = 3810 J/kg °C) using a two-pass
%3D
parallel flow double-pipe heat
exchanger. The unknown fluid enters
the heat exchanger at 66 °C with a
flowrate of 1.46 kg/s. Water can be
supplied at 10 °C and 1.32 kg/s. If the
heat exchanger cool the unknown
fluid to 39 °C, then the effectiveness
of this heat exchanger is equal to
0.24
0.48
0.96
2.08

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