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Atomization and Sprays

Publicado 12 números por año

ISSN Imprimir: 1044-5110

ISSN En Línea: 1936-2684

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.2 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.8 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00095 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.28 SJR: 0.341 SNIP: 0.536 CiteScore™:: 1.9 H-Index: 57

Indexed in

CFD SIMULATION OF DIESEL SPRAYS OVER A WIDE RANGE OF AMBIENT GAS DENSITIES USING AN IMPROVED GAS JET SPRAY MODEL

Volumen 21, Edición 7, 2011, pp. 591-609
DOI: 10.1615/AtomizSpr.2011003978
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SINOPSIS

The spray tip penetration of diesel sprays was simulated over wide ranges of ambient gas densities using a uniform profile gas jet model equation, which uses the concept of an effective injection velocity. The spray tip penetration obtained with this correlation equation shows a nearly complete match with available experimental data over the range of ambient gas densities from 3.6 to 124 kg/m3. The spray penetration over this wide range of ambient gas densities was also simulated using the KIVA code, which was implemented with various gas jet submodels, including uniform profile and normal or Gaussian gas jet profile models. The effects of the model’s gas entrainment coefficient K and breakup length coefficient Cb on the spray penetration were investigated by parametric studies. Improved predictions of the spray tip penetration where obtained using the Normal Gas Jet Profile model with an entrainment coefficient K = 0.7, in agreement with previous research. An optimal breakup length coefficient Cb = 1.9 was also found when the model includes both the ambient gas density and the spray cone angle as parameters.

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