Development of a zero-dimensional model and application on a medium-speed marine four-stoke diesel engine

Kalikatzarakis, Miltiadis and Coraddu, Andrea and Theotokatos, Gerasimos and Oneto, Luca (2021) Development of a zero-dimensional model and application on a medium-speed marine four-stoke diesel engine. In: 3rd International Conference on Modelling and Optimisation of Ship Energy Systems, 2021-05-19 - 2021-05-20, Online.

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Abstract

The present study deals with the development of a zero-dimensional model for marine diesel engines of the four-stroke type, as well as a methodology to automate its calibration process. The modelling and calibration approach is validated using experimental and operational data from a Wärtsilä engine, covering several model input and outputs. Validation results suggest that the modelling approach suggested, can predict the stationary and transient responses of the engine within 3.5% on measurements taken during the vessel's operation for a variety of loads ranging between 20% to 100%, with minimal calibration effort from the modeller.

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