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3. Water is flowing at an average velocity of 7 ft/s in a 6-in pipe. What is the pressure drop per nit length

3. Water is flowing at an average velocity of 7 ft/s in a 6-in pipe. What is the pressure drop per nit length

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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| 3. Water is flowing at an average velocity of 7 ft/s in a 6-in pipe. What is the pressure drop per unit length
Transcribed Image Text:| 3. Water is flowing at an average velocity of 7 ft/s in a 6-in pipe. What is the pressure drop per unit length
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i am confused on where you are getting these equations. 
is f--- friction? why is it 64/row VD/viscosity? 

are there other units at play here? 

i am not seeing how they cancel out to become Pa/m

Dynamic Viscosity, μ-1.8E-3kg/m.s Property of Water Density 0°C 20° C 40° C 60° C 80° C 100° C 999.84 998.21 992.22 983.20 971.82 958.40 Thermal Expansion -0.07 0.207 0.385 0.523 0.643 0.752 Isothermal Compression 5.0879 4.5895 4.4241 4.4507 4.6418 4.9015 (Volume Viscosity) Dynamic Viscosity Kinematic Viscosity ΔΡ L = FricpV² 2D 1.793 1.002 0.6532 0.4665 0.3544 0.2818 10-3 kg m-1 s-1 (Pa s) 1.787 1.004 0.658 0.475 0.365 0.294 *10-6 m² s-1 64μpV² 2pVD * D Fric = 64 OVD μ 32 *μ* V D² = 64μ pVD Units kg m-3 *10-3 K-1 *10-10 Pa-1 kg m. s (0.152)² 32 1.8E 3 - * 2.133 m S 5.31Pa m
Transcribed Image Text:Dynamic Viscosity, μ-1.8E-3kg/m.s Property of Water Density 0°C 20° C 40° C 60° C 80° C 100° C 999.84 998.21 992.22 983.20 971.82 958.40 Thermal Expansion -0.07 0.207 0.385 0.523 0.643 0.752 Isothermal Compression 5.0879 4.5895 4.4241 4.4507 4.6418 4.9015 (Volume Viscosity) Dynamic Viscosity Kinematic Viscosity ΔΡ L = FricpV² 2D 1.793 1.002 0.6532 0.4665 0.3544 0.2818 10-3 kg m-1 s-1 (Pa s) 1.787 1.004 0.658 0.475 0.365 0.294 *10-6 m² s-1 64μpV² 2pVD * D Fric = 64 OVD μ 32 *μ* V D² = 64μ pVD Units kg m-3 *10-3 K-1 *10-10 Pa-1 kg m. s (0.152)² 32 1.8E 3 - * 2.133 m S 5.31Pa m
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