Hypergolic Studies of Ethanol Based Gelled Bi-Propellant System for Propulsion Application

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The experiments conducted in this study examined the hypergolicity and ignition delay of the formulated ethanol gelled fuel and hydrogen peroxide oxidizer bipropellant system. The hypergolicity and ignition delay data for bipropellant system are very important for propulsion applications. It was observed that the ethanol based gelled fuel systems were hypergolic with hydrogen peroxide (90% pure) in a presence of a suitable catalyst. The observed ignition delay was within the range of 10 approximate to 50ms, which was comparable with the existing liquid hypergolic bipropellant systems. Temperature profile also indicated that the hypergolic system attained a very high temperature profile range of 1000 degrees C to 1400 degrees C for a very small weight percent of fuel. Experiments conducted with two separate volumes of oxidizer, 14l and 50l. In both cases the propellant system was fuel rich. It was also observed that the formation of cage in the gel network, which could encapsulate the higher temperature gases and flame in a network, might be a plausible reason for recorded higher ignition delay.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2017-06
Language
English
Article Type
Article
Keywords

RHEOLOGICAL CHARACTERIZATION

Citation

PROPELLANTS EXPLOSIVES PYROTECHNICS, v.42, no.6, pp.676 - 682

ISSN
0721-3115
DOI
10.1002/prep.201700046
URI
http://hdl.handle.net/10203/224892
Appears in Collection
AE-Journal Papers(저널논문)
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