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Combustion of ammonium perchlorate-based composite propellants in presence of methylammonium perchlorates

Jain, SR and Adiga, KC and Verneker, Pai VR (1979) Combustion of ammonium perchlorate-based composite propellants in presence of methylammonium perchlorates. In: Combustion and Flame, 35 . pp. 225-231.

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Official URL: http://dx.doi.org/10.1016/0010-2180(79)90027-0

Abstract

The effect of tri- and tetramethylammonium perchlorates (MAP-3 and MAP-4) on the burning rate of ammonium perchlorate (AP) based propellants has been determined at various pressures. Both additives increase the burning rate; however, MAP-3 has a moderate effect, whereas MAP-4 has a rather large effect. To explain the results, the thermal decomposition and calorimetric values of the propellants having these additives have been examined. Compound MAP-3 affects the thermal decomposition rate considerably, whereas MAP-4 has virtually no effect on the decomposition rate. The contrasting effects of MAP-4 on decomposition and burning rate suggest that the enhancement of burning rate may be due to the catalysis of gas-phase reactions. Further, detailed differences between behaviour of MAP-3, and MAP-4 appear to be attributable to the melting and low-temperature exotherm of MAP-3 and nonmelting and high-temperature exotherm of MAP-4.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Others
Date Deposited: 23 Sep 2010 09:53
Last Modified: 29 Feb 2012 07:39
URI: http://eprints.iisc.ernet.in/id/eprint/32402

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