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Reynolds Number

Contents

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Dimensionless ratio of inertial to viscous forces; the x-axis of every friction-coefficient correlation.

Formula

$$ \text{Re} = \frac{V \cdot L}{\nu} $$

Symbol legend

SymbolMeaningUnitSource
$V$Ship speedm/sderived from knots
$L$Waterline lengthmhydrostatics
$ν$Kinematic viscositym²/sITTC water table

Sources

  • ITTC Recommended Procedure 7.5-02-03.