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国际能源材料和化学驱动期刊

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ISSN 打印: 2150-766X

ISSN 在线: 2150-7678

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: 0.7 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: 0.7 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: 0.1 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: 0.00016 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: 0.18 SJR: 0.313 SNIP: 0.6 CiteScore™:: 1.6 H-Index: 16

Indexed in

SIMULATION OF ALUMINUM FLAME STRUCTURE RELATING TO THE IMPORTANCE OF HETEROGENEOUS SURFACE REACTIONS

卷 15, 册 5, 2016, pp. 413-433
DOI: 10.1615/IntJEnergeticMaterialsChemProp.2017011510
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摘要

Surface reactions occur during the combustion of aluminum particles in various environments. In solid-propellant/rocket-motor conditions (at agglomerated particle sizes greater than 100 μm and pressure greater than 6.0 MPa), the gas-phase flame dominates the heat feedback to the molten aluminum particle and consumption of the aluminum particle. Combustion regimes where the gas-phase flame dominates have been the focus of much experimental and computational research. Recent experimental and computational work has shown that at low pressures and small particle sizes the kinetic rate of reaction is slower compared to the diffusion rate of the species moving the gaseous flame closer to the surface. This paper reports the results of aluminum particle combustion simulations over a wide range of oxidizer concentrations, pressures, and particle diameters depicting the transition regime from diffusion reactions to kinetic reactions. Calculated burn times are compared with experimental data. Computed flame structures under the various experimental test conditions are compared. Calculated species profiles are used to determine which species are present at the particle surface in the different combustion regimes. Calculations were performed to compare when the simulations transition to kinetic-controlled combustion in oxidizing environments made up of CO2, H2O, and O2. The calculations focus on the transition regime and do not consider the actual surface reactions of the aluminum particle.

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