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Atomization and Sprays

Publication de 12  numéros par an

ISSN Imprimer: 1044-5110

ISSN En ligne: 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

LIQUID JET BREAKUP AND ATOMIZATION BY ANNULAR SWIRLING GAS JET

Volume 15, Numéro 2, 2005, pp. 223-247
DOI: 10.1615/AtomizSpr.v15.i2.70
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RÉSUMÉ

In spray systems, swirl motion is generally imparted to the liquid jet in order to favor its fragmentation. In coaxial atomization applications, however, due to its higher momentum, the dynamics of the flow is controlled mainly by the annular gas jet. As a consequence, we examine the effect of a swirling coaxial gas jet on breakup and atomization of a liquid jet as a function of the rotation intensity, given by the swirl number S, gas-to-liquid momentum flux ratio J, and surrounding pressure. The main results were: low enhancement of the atomization with no major changes of the jet development for low swirl, but, when a critical amount of rotational flow is imparted to the gas stream according to experimental conditions, topology of the flow is significantly modified. This transition leads to a significant decrease in liquid jet breakup length and an inversion of droplet distribution. The second kind of flow is linked with the appearance of a stagnation point on the jet centerline, whose occurrence and characteristics depend on operating conditions.

CITÉ PAR
  1. Ibrahim Ashraf A., Jog Milind A., Nonlinear breakup of a coaxial liquid jet in a swirling gas stream, Physics of Fluids, 18, 11, 2006. Crossref

  2. Dumouchel Christophe, On the experimental investigation on primary atomization of liquid streams, Experiments in Fluids, 45, 3, 2008. Crossref

  3. Ibrahim A.A., Jog M.A., Nonlinear instability of an annular liquid sheet exposed to gas flow, International Journal of Multiphase Flow, 34, 7, 2008. Crossref

  4. Sallam Khaled, Liquid Fuel Atomization Testing, in Industrial Combustion Testing, 2010. Crossref

  5. Kumar Abhijeet, Sahu Srikrishna, Large scale instabilities in coaxial air-water jets with annular air swirl, Physics of Fluids, 31, 12, 2019. Crossref

  6. Sharma Shraddha, Ghate Kushal, Sundararajan Thirumalachari, Sahu Srikrishna, Effects of air swirler geometry on air and spray droplet interactions in a spray chamber, Advances in Mechanical Engineering, 11, 5, 2019. Crossref

  7. Shi Jingtai, Ren Wanxing, Liu Xin, Novel technology for fire suppression using nitrogen-water mist in enclosed spaces, Geomatics, Natural Hazards and Risk, 11, 1, 2020. Crossref

  8. Soni Surendra Kumar, Kolhe Pankaj S., Liquid jet breakup and spray formation with annular swirl air, International Journal of Multiphase Flow, 134, 2021. Crossref

  9. Li Genbao, Li Chuqiao, Experimental study on the spray steadiness of an internal-mixing twin-fluid atomizer, Energy, 226, 2021. Crossref

  10. Kumar Abhijeet, Sahu Srikrishna, Preheated liquid jet breakup dynamics in a twin-fluid injector, Chemical Engineering Science, 257, 2022. Crossref

  11. Burtnett Thomas J., Morgan Timothy B., Dahlstrom Timothy C. , Heindel Theodore J., NEAR-FIELD OBSERVATIONS OF A COAXIAL AIRBLAST ATOMIZER UNDER ELEVATED AMBIENT PRESSURE , Atomization and Sprays, 32, 9, 2022. Crossref

  12. Liang Yifan, Johansen Lars Christian, Linne Mark, Breakup of a laminar liquid jet by coaxial non-swirling and swirling air streams, Physics of Fluids, 34, 9, 2022. Crossref

  13. Liang Yifan, Johansen Lars Christian, Linne Mark, Characteristics of sprays produced by coaxial non-swirling and swirling air–water jets with high aerodynamic Weber numbers, Physics of Fluids, 34, 10, 2022. Crossref

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