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International Journal of Energetic Materials and Chemical Propulsion

Published 6 issues per year

ISSN Print: 2150-766X

ISSN Online: 2150-7678

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: 0.7 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: 0.7 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: 0.1 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: 0.00016 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: 0.18 SJR: 0.313 SNIP: 0.6 CiteScore™:: 1.6 H-Index: 16

Indexed in

IMAGING OF IMPINGING JET BREAKUP AND ATOMIZATION PROCESSES USING COPPER-VAPOR-LASER-SHEET-ILLUMINATED PHOTOGRAPHY

Volume 3, Issue 1-6, 1994, pp. 552-568
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v3.i1-6.560
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ABSTRACT

Observation of a like-on-like injector element in the near-injector region has been accomplished with laser-sheet- illuminated photography to investigate spray characteristics as a function of jet velocity and injector geometry. Short duration exposures from single laser pulses produced instantaneous pictures of the injection and subsequent breakup processes, while multiple-exposure photographs revealed a time-averaged representation of the spray. In addition to the four previously documented spray regimes, the data suggested inclusion of a higher Reynolds number regime in which the pre-impingement jets are fully turbulent and undergoing surface breakup. The equation of a conic section was used to map multiple-exposure photographs revealing the overall spray shape. Further examination of the higher Reynolds number regime using transparent injector pieces revealed the presence of a cavitating region within the orifice. Discharge coefficients were calculated and found to be relatively constant for each injector tested, regardless of the presence of cavitation. The orientation of the injector orifice created a stable cavitating region in which the phenomenon of hydraulic flip was not observed, but the enhanced turbulence level led to an onset of jet atomization prior to impingement.

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