21. An oil is being pumped inside a 10.0 mm diameter pipe at a Reynolds number of 2100. The oil density is 855 kg/m3 and the viscosity is 2.1X10-Pas. a) What is the velocity in the pipe? b) It is desired to maintain the same Reynold Number of 2100 and the same velocity as in part (a) using a second fluid with a density of 925 kg/m3 and a viscosity of 1.5X10-Pa.s. What pipe diame ter should be used?

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
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this is a fluid mechanics question thank you
21. An oil is being pumped inside a 10.0 mm diameter pipe at a Reynolds number of 210O. The oil
density is 855 kg/m³ and the viscosity is 2.1X10-Pas.
a) What is the velocity in the pipe?
b) It is desired to maintain the same Reynold Number of 2100 and the same velocity as in
part (a) using a second fluid with a density of 925 kg/m³ and a viscosity of 1.5X10-Pa.s.
What pipe diame ter should be used?
Transcribed Image Text:21. An oil is being pumped inside a 10.0 mm diameter pipe at a Reynolds number of 210O. The oil density is 855 kg/m³ and the viscosity is 2.1X10-Pas. a) What is the velocity in the pipe? b) It is desired to maintain the same Reynold Number of 2100 and the same velocity as in part (a) using a second fluid with a density of 925 kg/m³ and a viscosity of 1.5X10-Pa.s. What pipe diame ter should be used?
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