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International Journal of Energetic Materials and Chemical Propulsion

Выходит 6 номеров в год

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

Indexed in

DEGRADATION OF A THERMAL INSULATOR UNDER VIBRATION AND ACCELERATION

Том 5, Выпуск 1-6, 2002, pp. 1006-1017
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v5.i1-6.1030
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Краткое описание

The design of the thermal insulators used in solid rocket propulsion is a key factor in the rocket design; in particular, the characterization of these materials is of strategic importance for future improvements in solid rocket propulsion. Following the experimental evidence showing that internal insulation erosion is higher in flight than in static firings, this paper aims at a preliminary approach of flight condition effects on the char behavior of a silica filled ethylene propylene diene monomer (EPDM) insulator. An experimental set up has been developed to investigate the effects of external mechanical loads, due to accelerations and vibrations, typically induced by flight conditions. Low frequency vibration effects indicate that the vibration modifies the char ejection mode, by breaking the char layers, thus increasing the degradation rate. This behavior is a crucial factor in determining the thermal protection system size.

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