Mean value modelling of diesel engine combustion based on parameterized finite stage cylinder process

Congbiao Sui, Enzhe Song, Douwe Stapersma, Yu Ding*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

29 Citations (Scopus)
71 Downloads (Pure)


Mean value diesel engine models are widely used since they focus on the main engine performance and can operate on a time scale that is longer than one revolution, and as a consequence use time steps that are much longer than crank-angle models. Mean Value First Principle (MVFP) models are not primarily intended for engine development but are used for systems studies that are become more important for engine users. In this paper two new variants of Seiliger processes, which characterize the engine in-cylinder process with finite stages are investigated, in particular their ability to correctly model the heat release by a finite number of combustion parameters. MAN 4L20/27 engine measurements are used and conclusions were drawn which Seiliger variant should be used and how to model the combustion shape for more engines. Then expressions to calculate the combustion parameters have been obtained by using a multivariable regression fitting method. The mean value diesel engine model has been corrected and applied to the simulation of a ship propulsion system which contains a modern MAN 18V32/40 diesel engine in its preliminary design stage and the simulation results have shown the capability of the integration of MVFP model into a larger system.

Original languageEnglish
Pages (from-to)218-232
JournalOcean Engineering
Publication statusPublished - 2017

Bibliographical note

Accepted Author Manuscript


  • Combustion parameter
  • Combustion process
  • Diesel engine
  • Mean value model
  • Modelling


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