Quasi-dimensional diesel engine model with direct calculation of cylinder temperature and pressureReport as inadecuate




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Technical gazette, Vol.24 No.3 June 2017. -

This paper describes the quasi-dimensional numerical model, implemented in previously developed 0D model. The presented model uses direct solution of equations for cylinder pressure and zone temperatures, without numerical iterations which are customary for these models. In the model there is shown a process of averaging from a set of small fuel spray packages volumes into big ones, which is a necessary precondition for the numerical stability. The model uses about fifty submodels. Simulations were performed in eight operating points, on four most sensitive engine cylinder operating parameters. Direct solution of temperature and pressure changes, in conjunction with the fuel spray packages averaging, represents a contribution to quasi-dimensional diesel engine process modelling.

combustion; diesel engine; emissions; fuel spray; quasi-dimensional phenomenological model



Author: Vedran Mrzljak - orcid.org-0000-0003-0323-2600 ; Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000 Rijeka, Croat

Source: http://hrcak.srce.hr/



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