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International Journal of Energetic Materials and Chemical Propulsion

Publicou 6 edições por ano

ISSN Imprimir: 2150-766X

ISSN On-line: 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

ELECTROLYTIC-INDUCED DECOMPOSITION AND IGNITION OF HAN-BASED LIQUID MONOPROPELLANTS

Volume 6, Edição 5, 2007, pp. 575-588
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v6.i5.30
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RESUMO

Experimental results are reported on the ignition characteristics of XM46 liquid propellant at room conditions using electrolysis. The ignition system employed a titanium microfin electrode module, which is comprised of 8 parallel fins evenly spaced with separation distance of 1-mm. Each fin has a dimension of 9 × 19 × 0.25 mm generating a surface area of approximately 350 mm2. Input voltage to the electrodes ranged from 7 to 26 VDC and electrode surface area ranged from 1050 to 4200 mm2. Experiments were performed in a liquid strand burner in which the propellant ignited, combusted, and propagated downward. The propellant initially bubbled at the surface of the electrodes and then ignited to establish a self-propagating thermal wave. The observed linear burning rates were consistent with extrapolated values of published rates at higher pressures. At one atmosphere, a highly luminous gas-phase flame positioned above the surface of the propellant was not observed. A higher input voltage facilitated the gasification of XM46 while minimizing the total energy required. The time delay to peak power (reactivity) decayed exponentially from 160 seconds to 2-3 seconds with an increase in the input voltage from 7 to 12 VDC. Beyond 12 VDC, the time delay dependency became less significant and appeared to remain constant. Peak power increased from 30 to 550 W when the input voltage was increased from 7 to 15 VDC. The power density decreased with increasing surface area indicating that the power was not linearly dependent on electrode surface area. The propellant liquid temperature reached a nearly steady-state temperature of 115°C, which agrees with the temperature or pure HAN during thermal decomposition.

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