10 The Reynolds number is a dimensionless fluid flow in pipes. The Reynolds number is defincd as DVp Re where D, is the inside diameter of the pipe, V is the average velocity of the fluid in the pipe, p is the fluid density and u is the absolute viscosity of the fluid. For flow in pipes, a Reynolds number of less than 2000 indicates that the flow is laminar, while a value of greater than 10,000 indicates that the flow is turbulent. For a pipe diameter of 5 em, and fluid of density 1 g/cm and viscosity of 1 centipoise, find the minimum velocity that results in turbulent flow.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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10 The Reynolds number is a dimensionless quantity used in calculations of
fluid flow in pipes. The Reynolds nummber is defined as
D,Vp
NRe
where D; is the inside diameter of the pipe, V is the average velocity of the
fluid in the pipe, p is the fluid density and u is the absolute viscosity of the
fluid. For flow in pipes, a Reynolds number of less than 2000 indicates that
the flow is laminar, while a value of greater than 10,000 indicates that the
flow is turbulent. For a pipe diameter of 5 cm, and fluid of density 1 g/cm
and viscosity of 1 centipoise, find the minimum velocity that results in
turbulent flow.
Transcribed Image Text:10 The Reynolds number is a dimensionless quantity used in calculations of fluid flow in pipes. The Reynolds nummber is defined as D,Vp NRe where D; is the inside diameter of the pipe, V is the average velocity of the fluid in the pipe, p is the fluid density and u is the absolute viscosity of the fluid. For flow in pipes, a Reynolds number of less than 2000 indicates that the flow is laminar, while a value of greater than 10,000 indicates that the flow is turbulent. For a pipe diameter of 5 cm, and fluid of density 1 g/cm and viscosity of 1 centipoise, find the minimum velocity that results in turbulent flow.
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