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Atomization and Sprays

Journal of the International Institutes for Liquid Atomization and Spray Systems

ISSN for PRINT: 1045-5110

Institutional price:	$787.00
Issues per year:	8

Best Paper Award Selection - Editorial Board Site

2005, Volume15

118 pages

Issue price - $92.00

TWO-FLUID MODELING OF SPRAY PENETRATION AND DISPERSION UNDER DIESEL ENGINE CONDITIONS

John Abraham
School of Mechanical Engineering, Maurice J. Zucrow Laboratories, Purdue University, West Lafayette, IN 47907-2014

Venkatraman Iyer
School of Mechanical Engineering, Purdue University, West Lafayette, Indiana, USA

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.