Reynolds number for pipe flow may be expressed as Re = (4 m/ Trd) / µ Where m = mass flow, kg/s d = pipe diameter, m p = viscosity, k/m s In a certain system, the flow rate is 5.448 kg/min ±0.5 %, through a 0.5" (inch) diameter (+0.005"). The viscosity is 1.92x 10-5 kg/m s, ±1 %. Calculate the value of the Reynolds Number and its uncertainty. Determine the main contribution to uncertainity.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Reynolds number for pipe flow may be expressed as
Re = (4 m/ Trd) / µ
Where m = mass flow, kg/s
d= pipe diameter, m
p = viscosity, k/m s
In a certain system, the flow rate is 5.448 kg/min +0.5 %, through a 0.5" (inch)
diameter (±0.005"). The viscosity is 1.92x 10-5 kg/m s, ±1 %. Calculate the
value of the Reynolds Number and its uncertainty. Determine the main
contribution to uncertainity.
Transcribed Image Text:Reynolds number for pipe flow may be expressed as Re = (4 m/ Trd) / µ Where m = mass flow, kg/s d= pipe diameter, m p = viscosity, k/m s In a certain system, the flow rate is 5.448 kg/min +0.5 %, through a 0.5" (inch) diameter (±0.005"). The viscosity is 1.92x 10-5 kg/m s, ±1 %. Calculate the value of the Reynolds Number and its uncertainty. Determine the main contribution to uncertainity.
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