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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

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A CFD ANALYSIS OF THE INFLUENCE OF DIESEL NOZZLE GEOMETRY ON THE INCEPTION OF CAVITATION

Volumen 13, Ausgabe 5&6, 2003, pp. 579-604
DOI: 10.1615/AtomizSpr.v13.i56.80
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ABSTRAKT

An extensive computational fluid dynamics (CFD) study has been performed in order to analyze the influence of nozzle geometry on the internal flow characteristics of a diesel injector. The flow through cylindrical and conical nozzles with different grades of hydro-grinding and at various needle lift positions and injection pressures was calculated to observe the individual effect of these parameters on the inception of cavitation. Most calculations were based on the assumption that the nozzle flow is axisymmetric. The set of calculations that was carried out to identify the most influential parameters for the onset of cavitation was determined by means of an experimental design technique. A correlation study was made in order to obtain a numerical expression that relates the critical cavitation number to geometric dimensions. Experiments were performed to validate both numerical calculations and conditions at which cavitation appears.

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