3. A double pipe heat exchanger will be used to heat water from 40 oC to 85 oC flowing 70 kg / min. Cp of water = 4.183 kJ / kg. K. Hot fluid used hot oil. Hot oil enters HE 120 oC and exits at 85 oC. Oil Cp = 1.7 kj / kg K. a. Calculate the heat needed to increase water temperatureb. What is the flow rate of oil entering the HE? 3.Suatu double pipe heat exchanger akan digunakan untuk memanaskan air dari 40 oC menjadi 85 oC mengalir70 kg/ min. Cp air = 4,183 kJ/ kg. K. Fluida panas yang digunakan minyak panas. Minyak panas masuk HE 120oC dan keluar pada 85 oC. Cp minyak = 1,7 kj/ kg K.a. Hitung panas yang dibutuhkan untuk menaikan suhu airb. Berapakah laju alir minyak masuk HE tersebut?

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Answered: 3. A double pipe heat exchanger will be…

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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3. A double pipe heat exchanger will be used to heat water from 40 oC to 85 oC flowing 70 kg / min. Cp of water = 4.183 kJ / kg. K. Hot fluid used hot oil. Hot oil enters HE 120 oC and exits at 85 oC. Oil Cp = 1.7 kj / kg K.
a. Calculate the heat needed to increase water temperature

b. What is the flow rate of oil entering the HE?

3.
Suatu double pipe heat exchanger akan digunakan untuk memanaskan air dari 40 oC menjadi 85 oC mengalir
70 kg/ min. Cp air = 4,183 kJ/ kg. K. Fluida panas yang digunakan minyak panas. Minyak panas masuk HE 120
oC dan keluar pada 85 oC. Cp minyak = 1,7 kj/ kg K.
a. Hitung panas yang dibutuhkan untuk menaikan suhu air
b. Berapakah laju alir minyak masuk HE tersebut?

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