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Given the following for a simple, cocurrent exchanger: tube outside diameter, Do = 0.75 inches tube inside diameter, Di = 0.62 inches inside heat transfer coefficient, hi = 569 btu/ft2-hr-F outside heat transfer coefficient, ho = 878 btu/ft2-hr-F outside fouling factor, hfo = 542 btu/ft2-hr-F tube wall thermal conductivity, 26 = btu/hr-ft-F What is the tube wall log mean diameter, Dlm in inches? What is the overall heat transfer coefficient, Uo in btu/ft2-hr-F?

Given the following for a simple, cocurrent exchanger: tube outside diameter, Do = 0.75 inches tube inside diameter, Di = 0.62 inches inside heat transfer coefficient, hi = 569 btu/ft2-hr-F outside heat transfer coefficient, ho = 878 btu/ft2-hr-F outside fouling factor, hfo = 542 btu/ft2-hr-F tube wall thermal conductivity, 26 = btu/hr-ft-F What is the tube wall log mean diameter, Dlm in inches? What is the overall heat transfer coefficient, Uo in btu/ft2-hr-F?

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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Given the following for a simple, cocurrent exchanger: tube outside diameter, Do = 0.75 inches tube inside diameter, Di = 0.62 inches inside heat transfer coefficient, hi = 569 btu/ft2-hr-F outside heat transfer coefficient, ho = 878 btu/ft2-hr-F outside fouling factor, hfo = 542 btu/ft2-hr-F tube wall thermal conductivity, 26 = btu/hr-ft-F What is the tube wall log mean diameter, Dlm in inches? What is the overall heat transfer coefficient, Uo in btu/ft2-hr-F?
Transcribed Image Text:Given the following for a simple, cocurrent exchanger: tube outside diameter, Do = 0.75 inches tube inside diameter, Di = 0.62 inches inside heat transfer coefficient, hi = 569 btu/ft2-hr-F outside heat transfer coefficient, ho = 878 btu/ft2-hr-F outside fouling factor, hfo = 542 btu/ft2-hr-F tube wall thermal conductivity, 26 = btu/hr-ft-F What is the tube wall log mean diameter, Dlm in inches? What is the overall heat transfer coefficient, Uo in btu/ft2-hr-F?
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