Published 12 issues per year
ISSN Print: 1044-5110
ISSN Online: 1936-2684
Indexed in
TWO-FLUID MODELING OF SPRAY PENETRATION AND DISPERSION UNDER DIESEL ENGINE CONDITIONS
ABSTRACT
In this work, a two-fluid Eulerian-liquid Eulerian-gas (ELEG) model for diesel sprays is employed to carry out computations of liquid penetrations in nonvaporizing and vaporizing sprays, vapor penetration in vaporizing sprays, and spray dispersion angles. Comparisons of computed and measured results are made for a wide range of conditions. Adequate agreement is obtained in all cases. In the case of modeling the liquid penetration in vaporizing sprays, a lack of understanding of the atomization process is shown to be a limitation. The two-fluid modeling approach is shown to give numerically converged results for liquid penetration and spray dispersion angle, unlike the Lagrangian-drop Eulerian-fluid (LDEF) approach which is widely employed in multidimensional spray models.
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Bajaj Chetan, Ameen Muhsin, Abraham John, Evaluation of an Unsteady Flamelet Progress Variable Model for Autoignition and Flame Lift-Off in Diesel Jets, Combustion Science and Technology, 185, 3, 2013. Crossref
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Abraham John, Critical observations on the modeling of nonreacting and reacting diesel sprays, Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 229, 11, 2015. Crossref