Class 1 (Chief Engineer) Engineering Management 📅 Oct 2023

Exam Question

Optimization of Hull Forms is recognized as means to improve energy efficiency of ships. Discuss scope and impact of optimization of the following in improving energy efficiency of ships: (16)

(i) Forebody optimization

(ii) Aft body Optimization

(iii) Twin Skeg Design.

Reference Answer

### Introduction
Hull form optimization is a fundamental aspect of naval architecture aimed at minimizing the total resistance a ship experiences while underway, thereby improving its overall energy efficiency. This is a critical factor in complying with international regulations such as the Energy Efficiency Design Index (EEDI) and the Carbon Intensity Indicator (CII). The total resistance ($$R_T$$) is a summation of several components:
$$ R_T = R_F + R_W + R_{form} + R_A $$
Where:

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