ShipCalculators.com

Cross-Flooding Equalisation Time

Time to equalise an asymmetrically flooded tank pair through a cross-flooding duct - must be ≤ 10 min per MSC.245(83) / MSC.362(92).

Damage stability
Loading calculator…

Formula, assumptions, and limits

V˙=CdA2gh,t=VV˙\dot V = C_d \cdot A \cdot \sqrt{2 g h}, \quad t = \frac{V}{\dot V}
SymbolMeaningUnit
VVFlood-volume to transfer
AADuct cross-section
hhHead differentialm
CdC_dDischarge coefficient

Source: IMO Res MSC.245(83) and MSC.362(92)

In short

Time to equalise an asymmetrically flooded tank pair through a cross-flooding duct - must be \u2264 10 min per MSC.

Learn the theory Intact stability