In the energy exchange between water (CP-4177 J/kg.K) and light lubricating oil (CP=2090 J/kg.K), a parallel flow heat exchanger with the shell side fluid (water) is constructed with a heat transfer area of 1.53 m?. The oil and water enter the exchanger at 375K and 280 K, respectively. The oil flow rate is 0.5 kg/s. A new pump is attached to the water supply line, enabling water flow rate to increase to 1000 kg/h. What will be the exit temperatures of oil and water after pump addition? The overall heat transfer coefficient may be taken as 250 W/m².K. Use the NTU method.
In the energy exchange between water (CP-4177 J/kg.K) and light lubricating oil (CP=2090 J/kg.K), a parallel flow heat exchanger with the shell side fluid (water) is constructed with a heat transfer area of 1.53 m?. The oil and water enter the exchanger at 375K and 280 K, respectively. The oil flow rate is 0.5 kg/s. A new pump is attached to the water supply line, enabling water flow rate to increase to 1000 kg/h. What will be the exit temperatures of oil and water after pump addition? The overall heat transfer coefficient may be taken as 250 W/m².K. Use the NTU method.
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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Transcribed Image Text:In the energy exchange between water (CP=4177 J/kg.K) and light lubricating oil (CP=2090
J/kg.K), a parallel flow heat exchanger with the shell side fluid (water) is constructed with a heat
transfer area of 1.53 m². The oil and water enter the exchanger at 375K and 280 K, respectively.
The oil flow rate is 0.5 kg/s. A new pump is attached to the water supply line, enabling water
flow rate to increase to 1000 kg/h. What will be the exit temperatures of oil and water after pump
addition? The overall heat transfer coefficient may be taken as 250 W/m?.K. Use the NTU
method.
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