Bulbous Bow - Retrofit Savings

Fuel-saving estimate from a retrofit optimised bulbous bow - re-designed for the ship's actual operating draft and speed.

Bulbous bowRetrofitESD

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\Delta m = P \cdot H \cdot \eta \cdot \frac{SFOC}{10^8}

Symbol	Meaning	Unit
$\eta$	Efficiency improvement

Source: Schneekluth & Bertram - Ship Design for Efficiency

Fuel-saving estimate from a retrofit optimised bulbous bow - re-designed for the ship's actual operating draft and speed.