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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

EFFECTS OF DROP AND FILM VISCOSITY ON DROP IMPACTS ONTO THIN FILMS

卷 23, 册 6, 2013, pp. 525-540
DOI: 10.1615/AtomizSpr.2013007494
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摘要

While drop–film impacts have been studied extensively in the past, little thought has been given towards separating the effects of the drop fluid properties from those of the film. Distinguishing between the behaviors resulting from characteristics of each independently could provide insight into the underlying physical phenomena with a clarity that is unavailable when the drop and the film consist of identical liquids. In this study, the viscosity is the central parameter varied in both drop and film liquid. Using water, aqueous glycerol mixtures, and Fluoroinert FC-72, a range of kinematic viscosity covering 3 orders of magnitude (4 × 10−7 − 6.5 × 10−4 m2/s) is examined; a smaller range of surface tension (0.024−0.072 N/m) is covered, as well. Drop impacts occur over a range of Weber numbers from 20 to 3000 and Reynolds numbers from 20 to 14000. Impact outcomes categorized are both formation of a crown and splashing from the crown. Criteria for each impact outcome are presented in light of both film and drop properties; certain outcomes are found to depend more strongly on either the properties of the drop or the film individually. Crown formation appears to relate more strongly to the film's properties, whereas crown splashing has some dependence on the drop properties. Existing splashing correlations are examined in light of the separation of properties.

对本文的引用
  1. Geppert A., Terzis A., Lamanna G., Marengo M., Weigand B., A benchmark study for the crown-type splashing dynamics of one- and two-component droplet wall–film interactions, Experiments in Fluids, 58, 12, 2017. Crossref

  2. Vaikuntanathan Visakh, Bernard Ronan, Lamanna Grazia, Cossali Gianpietro Elvio, Weigand Bernhard, On the Measurement of Velocity Field Within Wall-Film During Droplet Impact on It Using High-Speed Micro-PIV, in Droplet Interactions and Spray Processes, 121, 2020. Crossref

  3. Bernard Ronan, Vaikuntanathan Visakh, Lamanna Grazia, Weigand Bernhard, A New Perspective for the Characterization of Crown Rim Kinematics, in Droplet Interactions and Spray Processes, 121, 2020. Crossref

  4. Bernard Ronan, Vaikuntanathan Visakh, Weigand Bernhard, Lamanna Grazia, On the crown rim expansion kinematics during droplet impact on wall-films, Experimental Thermal and Fluid Science, 118, 2020. Crossref

  5. Bernard Ronan, Baumgartner David, Brenn Günter, Planchette Carole, Weigand Bernhard, Lamanna Grazia, Miscibility and wettability: how interfacial tension influences droplet impact onto thin wall films, Journal of Fluid Mechanics, 908, 2021. Crossref

  6. Wu Y., Wang Q., Zhao C. Y., A comparative study of the immiscibility effect on liquid drop impacting onto very thin films, Experiments in Fluids, 62, 7, 2021. Crossref

  7. OKAMOTO Shinya, KAWASHIMA Hisanobu, UCHIDA Ryo, TANAKA Daisuke, ISHIMA Tsuneaki, Observation of droplet/liquid film impingement between different kinds of liquid simulating fuel spray collision on engine cylinder wall, Transactions of the JSME (in Japanese), 87, 895, 2021. Crossref

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