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Atomization and Sprays

Published 12 issues per year

ISSN Print: 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

FLOW-FIELD INVESTIGATION OF MULTI-HOLE SUPERHEATED SPRAYS USING HIGH-SPEED PIV. PART I.
CROSS-SECTIONAL DIRECTION

Volume 22, Issue 11, 2012, pp. 983-995
DOI: 10.1615/AtomizSpr.2013006775
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ABSTRACT

Superheated sprays are expected to improve the spray atomization and evaporation processes owing to the flash-boiling effects. However, the breakup mechanism and evaporation processes of superheated sprays have not been fully understood. In this study, a multi-hole spray flow-field on three cross-sectional planes was investigated by using high-speed particle image velocimetry (PIV) in a well-controlled high-pressure constant-volume chamber. Firstly, the spray structure under various superheated degrees was examined: As the superheat degree (SD) starts to increase, the eight individual circular plumes expand; then the expanded plumes gradually move towards the spray axis, connect with adjacent plumes, and form a donut-shaped spray pattern. With further increase of the superheat degree, the spray becomes a pancake-shaped pattern; as the fuel spray enters the fully flashing zone, an octopus-arms spray pattern can be observed. To elucidate the mechanism driving such dramatic change of the spray pattern with superheated degree, the interactions among spray plumes under various superheated conditions were investigated based on PIV data. A mixing zone is formed in between spray plumes when spray plumes approach each other. The dynamic variation of this mixing zone was analyzed through the flow-field measurement results. It is shown that the magnitude of the velocity vector in the mixing zone increases with the superheat degree, and this magnitude can be higher than that in the spray plumes' main stream, as can be observed under fully flashing conditions. The results provide insight into the spray-collapse processes and the interaction between the spray plumes. It is proven that the superheat degree is the predominant factor influencing the structure and the flow-field of the spray.

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  6. Serras-Pereira Jose, Aleiferis Pavlos G, Richardson Dave, An experimental database on the effects of single- and split injection strategies on spray formation and spark discharge in an optical direct-injection spark-ignition engine fuelled with gasoline, iso-octane and alcohols, International Journal of Engine Research, 16, 7, 2015. Crossref

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