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Atomization and Sprays

Erscheint 12 Ausgaben pro Jahr

ISSN Druckformat: 1044-5110

ISSN Online: 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

EFFECT OF GEOMETRIC VARIATIONS ON THE SPRAY DYNAMICS OF AN ANNULAR FUEL SHEET IN A HYBRID ATOMIZER

Volumen 24, Ausgabe 8, 2014, pp. 673-694
DOI: 10.1615/AtomizSpr.2014008656
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ABSTRAKT

Sustained improvement of the efficiency of the atomization process demands development of advanced and innovative injectors followed by detailed investigation of the spray characteristics. In this work, a hybrid atomizer that combines the characteristics of a pressure swirl and airblast injector has been fabricated and thoroughly investigated. The atomizer in the current study, in which an annular liquid sheet is sandwiched between an outer and an inner airstream, deploys a swirling flow field such that the three streams of fuel, inner air, and outer air are injected tangentially. Additionally, the inner air channel possesses certain flexibilities in the form of reversal of swirl orientation and also can be recessed, leading to a prefilming configuration. The high-speed images obtained for these different geometric variations at varied hydrodynamic conditions are processed to measure different quantitative parameters such as breakup length, the sheet expansion parameter, and fractal dimension, each providing insights regarding the atomization process. The sheet is found to be most stable at a moderate air flow, as is evident from a higher breakup length and lower fractal dimension. A counterswirling inner air is found to increase the instability of the sheet with a lower breakup length and higher fractal dimension. While the presence of prefilming is found to augment the atomization at high outer air flow rates, the reverse trend is observed at lower flow rates.

REFERENZIERT VON
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