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Q4/ Derive the formula Friction Factor in Terms of Reynolds Number for Smooth Pipes for turbulent flow and for rough pipe, to show the following Eqns. Hint: For the purposes of obtaining the total flow rate, and hence the mean velocity, the logarithmic profile Vz+ A+B Iny+ can be assumed to hold over the whole pipe, because the laminar sublayer is so thin and contributes = 1.74 ln (Re√) - ev -0.391, 1 =-1.737 In (0.269. 7 in (0.200 — + 1.237) D virtually nothing to the flow.

Q4/ Derive the formula Friction Factor in Terms of Reynolds Number for Smooth Pipes for turbulent flow and for rough pipe, to show the following Eqns. Hint: For the purposes of obtaining the total flow rate, and hence the mean velocity, the logarithmic profile Vz+ A+B Iny+ can be assumed to hold over the whole pipe, because the laminar sublayer is so thin and contributes = 1.74 ln (Re√) - ev -0.391, 1 =-1.737 In (0.269. 7 in (0.200 — + 1.237) D virtually nothing to the flow.

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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Q4/ Derive the formula Friction Factor in Terms of Reynolds Number for Smooth Pipes for turbulent flow and for rough pipe, to show the following Eqns. Hint: For the purposes of obtaining the total flow rate, and hence the mean velocity, the logarithmic profile Vz+ A+B Iny+ can be assumed to hold over the whole pipe, because the laminar sublayer is so thin and contributes = 1.74 ln (Re√) - ev -0.391, 1 =-1.737 In (0.269. 7 in (0.200 — + 1.237) D virtually nothing to the flow.
Transcribed Image Text:Q4/ Derive the formula Friction Factor in Terms of Reynolds Number for Smooth Pipes for turbulent flow and for rough pipe, to show the following Eqns. Hint: For the purposes of obtaining the total flow rate, and hence the mean velocity, the logarithmic profile Vz+ A+B Iny+ can be assumed to hold over the whole pipe, because the laminar sublayer is so thin and contributes = 1.74 ln (Re√) - ev -0.391, 1 =-1.737 In (0.269. 7 in (0.200 — + 1.237) D virtually nothing to the flow.
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