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http://dx.doi.org/10.6108/KSPE.2021.25.4.012

Combustion Properties of PCP/Nitramine/AP Propellants  

Kim, Sung June (The 1st R&D Institute 1st Directorate, Agency for Defense Development)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.25, no.4, 2021 , pp. 12-18 More about this Journal
Abstract
This study aimed at preparing the solid propellants featuring high pressure exponent available for throttleable rocket system development. The combustion properties of solid propellant based on PCP as a prepolymer were investigated with the different nitramine oxidizer, HMX and HNIW. As a main oxidizer, HNIW could deliver higher burning rate, specific impulse and flame temperature than HMX. In addition, the introduction of AP as a co-oxidizer in PCP/Nitramine propellants could enhance burning rate, specific impulse and flame temperature, showing the lower pressure exponent with increasing the content of fine-sized AP, total solids and plasticizer. Moreover, we examined the temperature sensitivity on burning rate of propellants between 150 psia and 2,500 psia.
Keywords
Pintle; Pressure Exponent; Burning Rate; Solid Propellant; Nitramine;
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