Reynolds Number for Gas
Reynolds Number for Gas Formula |
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\( Re = 20,100 \; ( SG \; Q \;/\; d \; \eta \;) \) | ||
Symbol | English | Metric |
\( Re \) = Reynolds number | \( dimensionless \) | |
\( Q \) = flow rate of gas | \(ft^3\;/\;sec\) | \(m^3\;/\;s\) |
\( SG \) = gas specific gravity relative to water (water = 1) | \( dimensionless \) | |
\( d \) = inside diameter of pipe | \( in\) | \( mm \) |
\( \eta \) (Greek symbol eta) = viscosity of gas | \(lbf - sec\;/\;ft^2\) | \(Pa-s\) |