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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

NONLINEAR SIMULATION OF A HIGH-SPEED, VISCOUS LIQUID JET

Volume 8, Numéro 2, 1998, pp. 155-178
DOI: 10.1615/AtomizSpr.v8.i2.20
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RÉSUMÉ

A model has been developed to simulate the nonlinear, unsteady evolution of a high-speed viscous liquid jet issuing from a circular orifice. The model is based on a zonal approach in which an integral method is utilized for a thin viscous region at the jet periphery, while a boundary-element method is used for the inviscid "core" flow. Results indicate that steady-state solutions are possible neglecting the presence of the gas. Under these conditions, the jet "swells" in diameter and the boundary layer thins to a shear layer over a length of about half an orifice radius. Because boundary-layer relaxation is occurring during these simulations in which steady-state solutions appear, atomization mechanisms relying on this process cannot explain the observed behavior. The swelling phenomenon has the potential to explain several fundamental experimental atomization observations regarding turbulence and orifice design.

CITÉ PAR
  1. Park Hongbok, Heister Stephen D., Nonlinear simulation of free surfaces and atomization in pressure swirl atomizers, Physics of Fluids, 18, 5, 2006. Crossref

  2. Sirignano W.A, Mehring C, Review of theory of distortion and disintegration of liquid streams, Progress in Energy and Combustion Science, 26, 4-6, 2000. Crossref

  3. Park Ki Sun, Heister Stephen D., Nonlinear modeling of drop size distributions produced by pressure-swirl atomizers, International Journal of Multiphase Flow, 36, 1, 2010. Crossref

  4. Ahmed M., Youssef M., Abou-Al-Sood M., Two-dimensional modeling of viscous liquid jet breakup, Acta Mechanica, 224, 3, 2013. Crossref

  5. Distortion and Disintegration of Liquid Streams, in Liquid Rocket Thrust Chambers, 2004. Crossref

  6. Heister S., Modeling primary atomization processes, 34th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, 1998. Crossref

  7. Ibrahim Essam, Kenny Robert, Walker Nathan, A Computational and Experimental Investigation of Shear Coaxial Jet Atomization, 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2006. Crossref

  8. Heister S. D., Plain Orifice Spray Nozzles, in Handbook of Atomization and Sprays, 2011. Crossref

  9. Chandra Budi, Collicott Steven, Low Gravity Propellant Slosh Prediction Using Surface Evolver, 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2002. Crossref

  10. Popp Michael, Hulka James, Yang Vigor, Habiballah Mohammed, Liquid Rocket Thrust Chambers, 2004. Crossref

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