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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

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A ONE-DIMENSIONAL TWO-PHASE FLOW MODEL AND EXPERIMENTAL VALIDATION FOR A FLASHING VISCOUS LIQUID IN A SPLASH PLATE NOZZLE

Volume 25, Numéro 9, 2015, pp. 795-817
DOI: 10.1615/AtomizSpr.2015011460
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RÉSUMÉ

This article presents a new computational two-phase flow model and extensive validation for an industrial splash plate nozzle. The primary motivation for this work was to develop a simulation tool that can be used to reliably calculate initial droplet velocity data of industrial spray nozzles. This is an important part in properly defining boundary conditions for CFD furnace combustion simulations, for example, in the case of a recovery boiler burning black liquor. The model will also be actively used later for the industrial engineering and design of black liquor nozzle development. The model can also be used for other liquid fuels sprayed under flashing and nonflashing conditions. The model is based on the numerical solution of one-dimensional conservation equations of mass, momentum, energy, steam mass fraction, and bubble number density by using state of the art numerical methods that can track all the relevant mechanisms. Mass-momentum coupling was solved by the SIMPLE method. Scalar equations were solved by the fully implicit control volume method. A totally new and computationally efficient single-equation vapor generation source model was developed including heat transfer to bubble surface, evaporation, and inertial, viscous, and surface tension forces. Non-Newtonian effects were also included. The article presents comparison data for real flashing conditions with industrial black liquor, validating also the model predictions for initial spray velocity, nozzle pressure loss, and mass flow rate.

CITÉ PAR
  1. Laurila Erkki, Izbassarov Daulet, Järvinen Mika, Vuorinen Ville, Numerical study of bubbly flow in a swirl atomizer, Physics of Fluids, 32, 12, 2020. Crossref

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