5) A double-pipe heat exchanger having an area of 100 m? is used to heat 5 kg/s of water that enters the heat exchanger at 50 °C. The heating fluid is oil having a specific heat of 2.1 kJ/kg °C and a flow rate of 8 kg/s. The oil enters the exchanger at /00 °C and the overall heat-transfer coefficient is /20W/m? °C. Calculate the exit temperature of the oil and the heat transfer if the exchanger operates in a counterflow mode. 5) A double-pipe heat exchanger having an area of 100 m² is used to heat 5 kg/s of waterthat enters the heat exchanger at 50 °C. The heating fluid is oil having a specific heatof 2.1 kJ/kg °C and a flow rate of 8 kg/s. The oil enters the exchanger at 100 °C and theoverall heat-transfer coefficient is 120W/m? °C. Calculate the exit temperature of theoil and the heat transfer if the exchanger operates in a counterflow mode.

Area of the double pipe heat exchanger, A=100 m2 mass flow rate of water, mw=5 kg/s Entering…

Answered: 5) A double-pipe heat exchanger having…

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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5) A double-pipe heat exchanger having an area of 100 m? is used to heat 5 kg/s of water that enters the heat exchanger at 50 °C. The heating fluid is oil having a specific heat of 2.1 kJ/kg °C and a flow rate of 8 kg/s. The oil enters the exchanger at /00 °C and the overall heat-transfer coefficient is /20W/m? °C. Calculate the exit temperature of the oil and the heat transfer if the exchanger operates in a counterflow mode.

5) A double-pipe heat exchanger having an area of 100 m² is used to heat 5 kg/s of water
that enters the heat exchanger at 50 °C. The heating fluid is oil having a specific heat
of 2.1 kJ/kg °C and a flow rate of 8 kg/s. The oil enters the exchanger at 100 °C and the
overall heat-transfer coefficient is 120W/m? °C. Calculate the exit temperature of the
oil and the heat transfer if the exchanger operates in a counterflow mode.

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