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International Journal of Energetic Materials and Chemical Propulsion

Published 6 issues per year

ISSN Print: 2150-766X

ISSN Online: 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

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DIFFUSION FLAME STRUCTURE OF HNF SANDWICHES

Volume 5, Issue 1-6, 2002, pp. 523-532
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v5.i1-6.560
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ABSTRACT

The planar laser induced fluorescence technique (PLIF) has been used to study the diffusion flame structure of propellants consisting of hydrazinium nitroformate (HNF) and glycidyl azide polymer (GAP). Goal of the experiment is to obtain more insight in the effect of the particle size distribution on the combustion properties of HNF/GAP propellants. OH and CN-distributions were measured at different pressures. In addition to neat HNF and HNF-propellants, HNF/GAP/HNF-sandwiches, which have a simple two-dimensional structure, were used for a more accurate determination of the interaction between the HNF flame and the GAP flame. The results are compared to CFD calculations. It was found that a diffusion flame was present but it is located higher above the surface than the monopropellant flame. At higher pressure the diffusion flame is smaller, but its height is almost independent of the pressure. The results imply that the burn rate of HNF/GAP-propellants will not depend on the particle size as is seen in AP-based propellants, where diffusion flames appear to be strong and close to the surface.

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