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EEDI Phase Factor

Look up the EEDI phase reduction factor Z for any ship type, capacity, and phase per MEPC.328(76) Table 1.

IMODesignMEPC.328(76)
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Formula, assumptions, and limits

Z(y,type,Capacity)=Ztable[y][type][size band]Z(y, \text{type}, \text{Capacity}) = Z_\text{table}[y][\text{type}][\text{size band}]
SymbolMeaningUnit
ZZPhase reduction factor%
yyPhase (0, 1, 2, 3)
typetypeShip type
sizebandsize bandCapacity bucketDWT or GT

Source: IMO MEPC.328(76) Table 1

In short

Look up the EEDI phase reduction factor Z for any ship type, capacity, and phase per MEPC.328(76) Table 1.

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