Reynolds Number for Liquid

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Reynolds Number for Liquid Formula

\( Re \;=\; 92.1\; SG \; Q \;/\; d \; \eta \) 
Symbol English Metric
\( Re \) = Reynolds number \( dimensionless \)  
\( Q \) = flow rate of liquid \(ft^3\;/\;sec\) \(m^3\;/\;s\)
\( d \) = inside diameter of pipe \( in\) \( mm \)
\( SG \) = liquid specific gravity relative to water (water = 1) \( dimensionless \)
\( \eta \)  (Greek symbol eta)  = viscosity of liquid \(lbf - sec\;/\;ft^2\) \(Pa-s\)

 

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Tags: Heat Transfer Flow Liquid Orifice and Nozzle Pipeline