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Flooding Time - Simple Orifice Estimate

Contents

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Flooding time through a simple orifice - √(2gh) exit velocity + compartment volume.

Formula

$$ \dot V = C_d A \sqrt{2gh} $$

Symbol legend

SymbolMeaningUnitSource
$A$Hole areadamage case
$h$Water head above holemhydrostatics
$C_d$Discharge coefficient-sharp-edged orifice 0.6

Sources

  • Bernoulli’s principle + Torricelli.