A counterflow, thin-walled concentric tube heat exchanger is used to cool oil (cp: 2.20 kJ / kg ° C) from 150 to 40 ° C, at a rate of 2 kg / s, using water (cp: 4.18 kJ / kg · ° C), which enters at 22 ° C, at a rate of 1.5 kg / s. Determine the heat transfer rate in the exchanger and the water outlet temperature. Please show all of the steps and calculations. Include any assumptions.
A counterflow, thin-walled concentric tube heat exchanger is used to cool oil (cp: 2.20 kJ / kg ° C) from 150 to 40 ° C, at a rate of 2 kg / s, using water (cp: 4.18 kJ / kg · ° C), which enters at 22 ° C, at a rate of 1.5 kg / s. Determine the heat transfer rate in the exchanger and the water outlet temperature. Please show all of the steps and calculations. Include any assumptions.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A counterflow, thin-walled concentric tube heat exchanger is
used to cool oil (cp: 2.20 kJ / kg ° C) from 150 to 40 ° C, at a rate of 2 kg / s, using water (cp: 4.18 kJ / kg · ° C), which enters at 22 ° C, at a rate of 1.5 kg / s. Determine the heat transfer rate in the exchanger and the water outlet temperature.
Please show all of the steps and calculations. Include any assumptions.
Transcribed Image Text:Warm oil
2 kg/s|150 °C
Cold
water
1.5 kg/s
22 °C
40 °C
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