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国际流体力学研究期刊

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ISSN 打印: 2152-5102

ISSN 在线: 2152-5110

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: 1.1 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: 1.3 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: 0.0002 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: 0.33 SJR: 0.256 SNIP: 0.49 CiteScore™:: 2.4 H-Index: 23

Indexed in

Unsteady Breakup of Liquid Jets in Coaxial Airblast Atomizers

卷 24, 册 1-3, 1997, pp. 416-427
DOI: 10.1615/InterJFluidMechRes.v24.i1-3.420
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摘要

The breakup process of coaxial airblast atomizers, comprising an annular axial air stream with a central liquid jet, was examined with high speed photography over a range of exit Weber numbers from 0 to 2300, air-to-liquid momentum and energy ratios from 0 to 130 and 0 to 11700 respectively, liquid jet Reynolds number from 3000 to 46000 and nozzles with air jet diameter 23, 15 and 9 mm and liquid jets with 2.3 and 1.2 mm. The photographs showed the deterministic unsteadiness of the breakup process leading in the formation of clusters in a nearly periodic manner and quantified the breakup length, frequency, cluster length and velocity, wavelength of the wave responsible for the breakup and the energy transfer from the air to the liquid jet. A simplified breakup model was based on surface waves due to Kelvin-Helmholtz instability, which grow through non-linear processes to form waves with long wavelength relative to the liquid jet diameter.

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