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雾化与喷雾

每年出版 12 

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

SPRAY BEHAVIOR IN NONSWIRUNG AND SWIRLING ANNULAR AIR FLOWS

卷 1, 册 3, 1991, pp. 319-336
DOI: 10.1615/AtomizSpr.v1.i3.50
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摘要

Isothermal swirl and nonswirl sprays are investigated experimentally in various annular air streams with and without swirling motions. Spray behavior in nonswirling airflows can be classified into three modes. In mode I, liquid flow dominates and spray characteristics an hardly affected by air flows. In mode II, both air and liquid flows are comparable in strength and initial spray angle is increased significantly, while downstream spray envelope is bent inward. In mode III, airflow completely controls spray characteristics and prevents liquid from reaching the wall. In swirling airflows, spray droplets tend to move outward toward the wall due to centrifugal effects. This greatly increases the chance of fuel droplets impinging on the wall, with adverse effects on combustion performance and pollutant emissions. Conceivably, a bluff-body-type combustor operating in mode III of outer annular air with strong swirling motion of inner annular air would be the best combination for future gas turbine combustors, especially in aircraft applications.

对本文的引用
  1. Lee Sam-Goo, Effects of ALR and configuration ratio on turbulent structures in swirling flows, Journal of Mechanical Science and Technology, 22, 6, 2008. Crossref

  2. Lee Sam-Goo, Geometrical effects on spray characteristics of air-pressurized swirl flows, Journal of Mechanical Science and Technology, 22, 8, 2008. Crossref

  3. Friedman Jacob A., Renksizbulut Metin, Interaction of Annular Air Jet with a Non-Evaporating Liquid Spray, Particle & Particle Systems Characterization, 11, 6, 1994. Crossref

  4. Ramamurthi K., Tharakan T. John, Experimental study of liquid sheets formed in coaxial swirl injectors, Journal of Propulsion and Power, 11, 6, 1995. Crossref

  5. Broniarz-Press L., Włodarczak S., Matuszak M., Ochowiak M., Idziak R., Sobiech Ł., Szulc T., Skrzypczak G., The effect of orifice shape and the injection pressure on enhancement of the atomization process for pressure-swirl atomizers, Crop Protection, 82, 2016. Crossref

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