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Explain the step by step calculations and assumptions for this problem: Two AES exchangers in series have trouble heating up a process stream from 50ᵒC to 90ᵒC, and cooling down a hot stream with the same flow rate from 110ᵒC to 70ᵒC. Luckily, there is an abandoned AES exchanger available that has four times the surface of the two existing exchangers, and even better, it has the right material and sufficiently high design P & T, and would fit on the plot space occupied by the existing exchangers. Is replacement a good idea?

Explain the step by step calculations and assumptions for this problem: Two AES exchangers in series have trouble heating up a process stream from 50ᵒC to 90ᵒC, and cooling down a hot stream with the same flow rate from 110ᵒC to 70ᵒC. Luckily, there is an abandoned AES exchanger available that has four times the surface of the two existing exchangers, and even better, it has the right material and sufficiently high design P & T, and would fit on the plot space occupied by the existing exchangers. Is replacement a good idea?

Introduction to Chemical Engineering Thermodynamics
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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Explain the step by step calculations and assumptions for this problem: Two AES exchangers in series have trouble heating up a process stream from 50ᵒC to 90ᵒC, and cooling down a hot stream with the same flow rate from 110ᵒC to 70ᵒC. Luckily, there is an abandoned AES exchanger available that has four times the surface of the two existing exchangers, and even better, it has the right material and sufficiently high design P & T, and would fit on the plot space occupied by the existing exchangers. Is replacement a good idea?
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