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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

A METHOD TO ESTIMATE GAS-DROPLET VELOCITY CROSS-CORRELATIONS IN SPRAYS

Volume 13, Issue 2&3, 2003, 23 pages
DOI: 10.1615/AtomizSpr.v13.i23.70
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ABSTRACT

A method has been developed for the estimation of gas-droplet velocity cross-correlation functions in sprays using a phase Doppler interferometer. The method combines time-dependent velocity measurements of droplets in sprays and a droplet—eddy interaction model for the estimate of the value of the cross-correlation function at zero time delay, which cannot be measured directly due to limitation to single droplets т the probe volume of the interferometer. Measurements of gas—droplet velocity cross- and gas velocity auto-correlation functions were obtained in a spray from a coaxial air-blast atomizer and are presented for droplet sizes with turbulent Stokes numbers of 0.1. It was found that the droplet-gas velocity cross-correlation function was asymmetric around zero time delay and the presence of a mean slip velocity between the two phases shifted its maximum to nonzero time delays. In addition, the generation of series of liquid clusters during the breakup process of the liquid jet at the nozzle exit caused nearly deterministic temporal fluctuations of droplet concentration, which induced fluctuations on the gas flow velocity.

CITED BY
  1. Borowsky Joseph F., Wei Timothy, Two-phase interactions through turbulent events as described by fluid–particle correlations, Chemical Engineering Science, 66, 2, 2011. Crossref

  2. Horender S., Hardalupas Y., Turbulent particle mass flux in a two-phase shear flow, Powder Technology, 192, 2, 2009. Crossref

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