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International Journal of Energetic Materials and Chemical Propulsion

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ISSN Печать: 2150-766X

ISSN Онлайн: 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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BURNING RATE AND PRESSURE DEFLAGRATION LIMIT (PDL) CHARACTERISTICS OF A GAP/AP PROPELLANT SYSTEM

Том 5, Выпуск 1-6, 2002, pp. 513-522
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v5.i1-6.550
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Краткое описание

For the application to a mass flux controllable gas generator, GAP is one of the most suitable high energetic materials because of its relatively high pressure exponent. However, its PDL and low pressure burning rate characteristics are not fully investigated yet and it is necessary to know them in detail for such an application. Moreover, a GAP/AP propellant system is considered more feasible because the addition of AP to GAP may be effective to extend the combustible region. Therefore, peculiar attention should be paid to burning rate characteristics of a GAP/AP propellant system.
High pressure burning rate of a GAP/AP propellant system has been obtained with a strand burner, and PDL and low pressure burning rates have been investigated by means of a X-ray device as functions of AP content, AP particle size and depressurization rate. The X-ray device is, basically, composed of X-ray source, combustion chamber and X-ray sensor, and the depressurization rate is controllable. The signal at the output of the sensor is sent to a digital acquisition system controlled by PC. Precise calibration between sample length and X-ray signal gives instantaneous sample length during the burning test, thus, instantaneous burning rate taking its time derivative. Therefore, it is possible to obtain low pressure burning rate and PDL simultaneously in one test at a certain depressurization rate. Results of PDL and low pressure burning rate measurements of a GAP/AP propellant system are hereafter presented and discussed.

Ключевые слова: GAP, GAP/ÀÐ, PDL, X-ray, Burning Rate
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