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雾化与喷雾

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ISSN 打印: 1044-5110

ISSN 在线: 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

NUMERICAL SIMULATION OF DIESEL SPRAY EVAPORATION EXPLOITING THE "STABILIZED COOL FLAME" PHENOMENON

卷 15, 册 1, 2005, pp. 1-18
DOI: 10.1615/AtomizSpr.v15.i1.10
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摘要

An alternative approach to enhance conventional liquid fuel evaporation can be based on the stabilized cool flame phenomenon. To demonstrate this, the present work numerically simulates the flow field inside an atmospheric-pressure cool flame reactor, using a two-phase computational fluid dynamics code, based on the solution of the RANS equations. Such a reactor exploits the "stabilized cool flame” phenomenon, augmenting local evaporation rates and leading to a partially oxidised mixture that can be subsequently burnt. A Eulerian-Lagrangian formulation is adopted for the description of the gas field and droplet motion equations, respectively, and a stochastic approach is implemented to account for the effects of turbulence on the droplet motion. Droplet evaporation is modeled with the use of an evaporation model incorporating the Stefan blowing effect. In addition, a semiempirical model developed especially for this purpose is used to model the heat release due to the exothermic cool flame reactions. Numerical simulations are presented for test cases with and without cool flame reactions and compared to available experimental data. The satisfactory agreement between experiments and predictions confirms the ability of the approach to simulate reasonably well the main phenomena observed in a cool flame reactor.

对本文的引用
  1. Kolaitis Dionysios I., Founti Maria A., Cool Flames, in Handbook of Combustion, 2010. Crossref

  2. Kolaitis Dionysios I., Founti Maria A., Numerical Simulation of Diesel Spray Evaporation in a “Stabilized Cool Flame” Reactor: A Comparative Study, Flow, Turbulence and Combustion, 82, 4, 2009. Crossref

  3. Kolaitis Dionysios I., Founti Maria A., A 3D CFD Modelling Study of a Diesel Oil Evaporation Device Operating in the Stabilized Cool Flame Regime, The Journal of Computational Multiphase Flows, 2, 4, 2010. Crossref

  4. Kolaitis D.I., Founti M.A., A comparative study of numerical models for Eulerian–Lagrangian simulations of turbulent evaporating sprays, International Journal of Heat and Fluid Flow, 27, 3, 2006. Crossref

  5. Kontogeorgos D.A., Keramida E.P., Founti M.A., Assessment of simplified thermal radiation models for engineering calculations in natural gas-fired furnace, International Journal of Heat and Mass Transfer, 50, 25-26, 2007. Crossref

  6. Kolaitis D.I., Founti M.A., A tabulated chemistry approach for numerical modeling of diesel spray evaporation in a “stabilized cool flame” environment, Combustion and Flame, 145, 1-2, 2006. Crossref

  7. Vourliotakis George, Kolaitis Dionysios I., Founti Maria A., Development and Parametric Evaluation of a Tabulated Chemistry Tool for the Simulation of n-Heptane Low-Temperature Oxidation and Autoignition Phenomena, Journal of Combustion, 2014, 2014. Crossref

  8. Sikka Raghav, Vågsæther Knut, Bjerketvedt Dag, Lundberg Joachim, Atomization characteristics of a bluff body-assisted sonic twin-fluid atomizer, International Journal of Spray and Combustion Dynamics, 2022. Crossref

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