The velocity profile of water(density 1000 kg/m and viscosity of 0.001 N.S/m² ) in a pipe is u%=²(R² -r²) where R is radius of the pipe and r is any distance from the center of the pipe. %3D The roughness of the pipe is 0.03 mm. i. If the pipe is replaced by another pipe with higher roughness of 0.075 mm, Calculate the pressure drop in two-meter length of the pipe. ii. evaluate the pressure drop in two-meter. ii. Explain your answers (difference or similarity) in parts (i) and (ii).
The velocity profile of water(density 1000 kg/m and viscosity of 0.001 N.S/m² ) in a pipe is u%=²(R² -r²) where R is radius of the pipe and r is any distance from the center of the pipe. %3D The roughness of the pipe is 0.03 mm. i. If the pipe is replaced by another pipe with higher roughness of 0.075 mm, Calculate the pressure drop in two-meter length of the pipe. ii. evaluate the pressure drop in two-meter. ii. Explain your answers (difference or similarity) in parts (i) and (ii).
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter7: Seepage
Section: Chapter Questions
Problem 7.1P
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Transcribed Image Text:The velocity profile of water(density 1000 kg/m and viscosity of 0.001 N.S/m² ) in a pipe is
u%=²(R² -r²) where R is radius of the pipe and r is any distance from the center of the pipe.
%3D
The roughness of the pipe is 0.03 mm.
i.
If the pipe is replaced by another pipe with higher roughness of 0.075 mm,
Calculate the pressure drop in two-meter length of the pipe.
ii.
evaluate the pressure drop in two-meter.
ii.
Explain your answers (difference or similarity) in parts (i) and (ii).
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