A weighted method for estimating ship propulsion systems based on the type of thrusters used is presented. The analysis was conducted in terms of: maneuverability, overall propulsion efficiency, navigation safety, positioning accuracy requirements, propulsion system complexity, and redundancy. This allows for the comparison of diverse propulsion systems, the estimation of their maneuverability, and an initial assessment of their suitability. It enables the analysis of several possible propulsion system solutions at the preliminary design stage and the selection of the one that is best according to the proposed method. Advanced propulsion systems for vessels with dynamic positioning systems meet this condition and will be adapted in simplified solutions for many other types of ships.On multi-purpose vessels, increasingly complex propulsion systems are encountered, the task of which is to ensure that the ship meets all operational requirements in the event of damage (failure) to a selected element of the propulsion system, or even the entire system from the engine to the thruster. Dynamic positioning classes define the requirements that a ship’s propulsion system must meet in order to obtain the required class [5]. Possessing the minimum required thrust and a specific dynamic positioning class enables the ship to undertake work (…)
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Source: Logistyka Magazine
A method for estimating requirements for ship propulsion systems – PDF file for download