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International Journal of Energetic Materials and Chemical Propulsion

Erscheint 6 Ausgaben pro Jahr

ISSN Druckformat: 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

Indexed in

LOW TEMPERATURE COEFFICIENT (LTC) PROPELLANTS

Volumen 6, Ausgabe 3, 2007, pp. 369-376
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v6.i3.70
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ABSTRAKT

Ammunition now has to be safe in each climate zone, especially abroad, when carrying out UN missions. For use in a combat aircraft, for example, the ammunition should have high cook-off stability so that a self ignition reaction of the propellant does not occur while lying in the hot gun barrel. On the other hand, there is still the demand for high ballistic performance with low barrel erosion. Accordingly, conventional single- and multi-base propellants border on their limits.
A new type of propellant was developed to solve the above problem. This new gun propellant (consisting of RDX, a nitrocellulose binder, and a three-component energetic plasticizer) has a high ignition temperature of about 210°C and significantly improved chemical stability compared with conventional gun propellants. Besides a high force constant at a low adiabatic flame temperature and a low molecular weight of the product gases (which is of value in terms of barrel erosion), the novel gun propellant has a further outstanding property: the burning rate hardly depends on the propellant temperature. This means that the temperature coefficient in Vieilles burning law is low. That is why we call the propellant a Low Temperature Coefficient (LTC) propellant.
Since the burning rate does not depend much on the propellant initial temperature, neither does the maximum gas pressure in the gun. Therefore, the maximum permissible gas pressure can be exploited to full advantage and can be used to increase the muzzle velocity. In the meantime, the LTC gun propellant has been investigated successfully in the medium caliber range. The results of that investigation are presented and discussed in this paper.

REFERENZIERT VON
  1. Fu You, Zhu Yao, Liu Zhitao, Xu Bin, Shen Jinpeng, Wang Yingbo, Liao Xin, Temperature Sensitivity Coefficients of RDX‐Based Propellants and Their Mixed Charges, Propellants, Explosives, Pyrotechnics, 46, 10, 2021. Crossref

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