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Atomization and Sprays

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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

CRITICAL EVALUATION OF MOMENTUM FLUX RATIO RELATIVE TO A LIQUID JET IN CROSSFLOW

Volumen 28, Ausgabe 7, 2018, pp. 599-620
DOI: 10.1615/AtomizSpr.2018027032
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ABSTRAKT

Injecting a liquid jet into a gaseous crossflow is a common atomization technique used in propulsion and power generation systems. This has led to a substantial number of fundamental cold-flow studies analyzing the atomization characteristics and dynamics of the chosen liquid. A prevalent parameter used in many jet in crossflow works is the momentum flux ratio, q, which is formulated through the calculation of the liquid injection velocity. This work investigates various methods of calculating liquid injection velocity that are utilized in literature, their effect on the formulation of q, and the interpretation of results and conclusions. Velocity calculated through dividing mass flow rate with the geometric orifice area and through Bernoulli's principle are evaluated using an array of injector designs. Injector diameter and length-to-diameter ratio, L/d, are varied to test the generality of the interpretation of results. Basing results on q through mass flow rate divided by geometric orifice area yields discrepancies in conclusion interpretation across the different injector designs. Additionally, this method and through using Bernoulli's principle provide different interpretations which may cause disagreements in conclusions in previous works. A new liquid injection velocity calculation method is presented which provides consistent interpretations across the different injector designs. "Ideal" experimental data are utilized to identify the liquid jet diameter which produces a certain flow condition. This jet diameter yields an effective area to give an effective liquid injection velocity by dividing mass flow rate by the effective area. This method agrees qualitatively with injection velocity determination through the use of computational fluid dynamics.

REFERENZIERT VON
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