(a) Why is it necessary to include an LMTD correction factor into the design equation for most practical heat exchangers?

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
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(a) Why is it necessary to include an LMTD correction factor into the design equation for most
practical heat exchangers?
(b)The T profiles for the two fluids in a S&T heat exchanger are given below. Determine the
number of shell passes required to accomplish this design.
130°C
750
shell
tube
90°c
40°C
5
Transcribed Image Text:(a) Why is it necessary to include an LMTD correction factor into the design equation for most practical heat exchangers? (b)The T profiles for the two fluids in a S&T heat exchanger are given below. Determine the number of shell passes required to accomplish this design. 130°C 750 shell tube 90°c 40°C 5
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