Factor (old eq. nr.) (source) | New Formula |
---|---|
EEDI (Simplified) (2) ≥ 10.000 DWT (IMO 2012) | \( \frac{\left(1.025\ast \sum {P}_{MEi}+250\right)}{DWT\ast {V}_{design}} \) (12) |
EEDI (Simplified) (2) < 10.000 DWT (IMO 2012) | \( \frac{\left(1.05\sum {P}_{MEi}\right)}{DWT\ast {V}_{design}} \) (13) |
Power Ratio (4) | ∑PMEi (14) |
Block Coefficient (5) (Watson 1998) | \( 0.70+\frac{1}{8}\ast \arctan \left(\frac{23-100 Fn}{4}\right) \) (15) |
Lightweight (LDT) Ratio (6) | \( \frac{C_b\ast L\ast B\ast T\ast \rho - DWT}{C_b\ast L\ast B\ast T\ast \rho } \) (16) |
Area to volume ratio (10) | \( \frac{1.7\ast L\ast T+\nabla /T}{\sqrt{\nabla \ast L}} \) (17) |