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Atomization and Sprays
Импакт фактор: 1.262 5-летний Импакт фактор: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 1.6

ISSN Печать: 1044-5110
ISSN Онлайн: 1936-2684

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Atomization and Sprays

DOI: 10.1615/AtomizSpr.v17.i3.10
pages 193-231

EVAPORATIVE DIESEL SPRAY MODELING

Jose M. Desantes
CMT-Motores Termicos, Universitat Politecnica de Valencia, 46022, Spain
J. Javier Lopez
CMT-Motores Térmicos, Universidad Politécnica de Valencia, Camino de Vera, s/n. 46022 Valencia, Spain
Jose M. Garcia
CMT-Motores Térmicos, Universidad Politécnica de Valencia, Camino de Vera, s/n. 46022 Valencia, Spain
Jose M. Pastor
CMT-Motores Termicos - Universitat Politecnica de Valencia

Краткое описание

A one-dimensional nonevaporative spray model has been extended to take into account the effects of evaporation under direct-injection diesel engine conditions. The approach is based on the assumption that evaporation is limited by the mixing process between fuel and ambient gas, and makes use of nonideal gas state relationships for the description of the whole spray. Experimental results have been obtained by means of backlight illumination from a hot spray test rig. Comparisons between experimental and modeling results confirm the initial hypotheses. The model accurately predicts the influence of fuel type and both ambient and injection conditions on liquid spray penetration. An adequate prediction of the liquid penetration of a reference diesel fuel is achieved by considering the state relationships of a single-component surrogate fuel.


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