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雾化与喷雾

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ISSN 打印: 1044-5110

ISSN 在线: 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 CONFINEMENT AND PREFILMING ON THE STABILITY OF AN ANNULAR LIQUID SHEET

卷 23, 册 5, 2013, pp. 401-418
DOI: 10.1615/AtomizSpr.2013007298
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摘要

A linear temporal analysis describing the stability of an annular, swirling, inviscid liquid sheet is presented. The liquid sheet is considered to be exposed to swirling gas flows on either side. Realizing the importance of confining walls in practical atomizers, the effect of the walls on the growth rate of the instability has been elaborately reported in this work. Two different confining configurations have been shown: wall surrounding the outer gas; and confining walls around the annular liquid sheet. The latter geometry eliminates the interaction of the liquid with the outer air. The results are validated with the limiting case when the outer air stream thickness tends to infinity. The efficiency of confining the outer air in terms of increase in the growth rate has been shown. A prefilming atomizer is seen to produce a high critical wave number, which leads to the formation of smaller droplets. A parametric study is carried out with varying hydrodynamic parameters for both axisymmetric and higher helical modes for such atomizers with confinements. The role of swirl in the air streams in shifting the dominant mode from axisymmetric to higher helical modes is clearly shown.

对本文的引用
  1. Chatterjee Souvick, Mukhopadhyay Achintya, Sen Swarnendu, A Comprehensive Model for Estimation of Spray Characteristics, in Droplets and Sprays, 2018. Crossref

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