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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

Indexed in

EFFECT OF COANDA-DEFLECTION-OPENINGS ON THE SPRAY BEHAVIOR OF PRESSURE SWIRL NOZZLES

Volume 28, Issue 3, 2018, pp. 281-297
DOI: 10.1615/AtomizSpr.2018025126
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ABSTRACT

Pressure swirl nozzles equipped with a convex deflection orifice are used for enlargement of the spray angle up to 180° and smaller drop sizes are expected from that operation. The sheet deflection behavior is investigated quantitatively by spray angle measurements for a wide range of operating conditions and nozzles geometries. To achieve proper deflection, the radius of the trumpet contour has to be adapted to the flow conditions generated upstream. Besides the spray angle, the sheet velocity is also known to have a major influence on the drop size and has been measured as compared to common nozzle types. For the deflected sheet, the velocity coefficient may go down to φ ≈ 0.7 compared to plain orifice geometries with φ > 0.9 depending on swirl ratio and viscosity. Finally, the drop size depending on the deflection geometry is measured by laser diffraction and opposed results were found depending on the operating conditions, especially on the viscosity. For low viscosity disturbances were amplified by the deflection orifice and lead to considerably lower breakup length.

CITED BY
  1. Gad H.M., Baraya E.A., Farag T.M., Ibrahim I.A., Effect of geometric parameters on spray characteristics of air assisted pressure swirl atomizer, Alexandria Engineering Journal, 61, 7, 2022. Crossref

  2. Di Martino Massimiliano, Ahirwal Deepak, Maffettone Pier Luca, Computational fluid dynamics characterization of the hollow-cone atomization: Newtonian and non-Newtonian spray comparison, Physics of Fluids, 34, 9, 2022. Crossref

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