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Atomization and Sprays

Published 12 issues per year

ISSN Print: 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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AXISYMMETRIC SIMULATIONS OF DROP DEFORMATION AND BREAKUP FOR VALIDATION OF A MODIFIED TAYLOR ANALOGY BREAKUP MODEL

Volume 27, Issue 5, 2017, pp. 439-455
DOI: 10.1615/AtomizSpr.2017017091
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ABSTRACT

Axisymmetric computational fluid dynamics (CFD) simulations are conducted to investigate the deformation and breakup of water drops in an air stream at different Weber numbers. The type of flows considered lie in the oscillatory, the bag breakup, the stamen breakup, and the stripping breakup regimes. A fully three-dimensional simulation is first performed to justify the axisymmetry assumption used in the remaining CFD simulations. In order to keep the drop within the fixed computational domain, the shifted Eulerian adaption (SEA) method has been developed. In this method all the field values are shifted back by one mesh cell after the center of the liquid mass has moved forward by one cell, while at the same time the boundary conditions are maintained. The CFD results are compared with experimental drop breakup observations, and are used to validate a proposed modification to the Taylor analogy breakup (TAB) model. The modifications to the original TAB model account for the nonlinear change of the drop cross section and the associated change in the drag coefficient. The validations include the critical deformation at which the drop starts disintegrating, the drop oscillation periods, as well as the normalized drop deformation at the initiation time for breakup. The CFD results show good agreement with the modified TAB model, and the breakup behavior qualitatively reflects experimental observations.

CITED BY
  1. Wang Zi-Yu, Zhao Hui, Li Wei-Feng, Xu Jian-Liang, Liu Hai-Feng, Secondary breakup of shear thickening suspension drop, Physics of Fluids, 33, 9, 2021. Crossref

  2. Bian Qingyong, Zhu Chengxiang, Wang Jingxin, Zhao Ning, Zhao Huanyu, Zhu Chunling, Numerical investigation on the characteristics of single droplet deformation in the airflow at different temperatures, Physics of Fluids, 34, 7, 2022. Crossref

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