P6.59 The following data were obtained for flow of 20°C water at 20 m/h through a badly corroded 5-cm-diameter pipe that slopes downward at an angle of 8°:P1 = 420 kPa, z, = 12 m, 2 = 250 kPa, Z2 = 3 m. Estimate (a) the roughness ratio of the pipe and (b) the percentage change in head loss if the pipe were smooth and the flow rate the same. %3D %3D
P6.59 The following data were obtained for flow of 20°C water at 20 m/h through a badly corroded 5-cm-diameter pipe that slopes downward at an angle of 8°:P1 = 420 kPa, z, = 12 m, 2 = 250 kPa, Z2 = 3 m. Estimate (a) the roughness ratio of the pipe and (b) the percentage change in head loss if the pipe were smooth and the flow rate the same. %3D %3D
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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![P6.59 The following data were obtained for flow of 20°C water at
20 m'/h through a badly corroded 5-cm-diameter pipe that
slopes downward at an angle of 8°: p1 = 420 kPa, z, = 12 m,
p2 = 250 kPa, z2 = 3 m. Estimate (a) the roughness ratio of
the pipe and (b) the percentage change in head loss if the
pipe were smooth and the flow rate the same.
%3D
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7fcd8e4b-79d2-4789-acf8-f571fb35c14f%2F98651c3f-eb79-4d0b-ba6c-06c9ab220f30%2Fz8sfo2d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:P6.59 The following data were obtained for flow of 20°C water at
20 m'/h through a badly corroded 5-cm-diameter pipe that
slopes downward at an angle of 8°: p1 = 420 kPa, z, = 12 m,
p2 = 250 kPa, z2 = 3 m. Estimate (a) the roughness ratio of
the pipe and (b) the percentage change in head loss if the
pipe were smooth and the flow rate the same.
%3D
%3D
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