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http://dx.doi.org/10.5139/JKSAS.2009.37.1.082

Predicting Extreme-Thickness of Phase Fronts in HMX- and Hydrocarbon-based Propellants  

Yoh, Jai-Ick (서울대학교 기계항공공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.37, no.1, 2009 , pp. 82-88 More about this Journal
Abstract
The structure of steady wave system is considered which is admitted by the continuum equations for materials that undergo phase transformations with exothermic chemical reaction. With its theoretical basis in one-dimensional continuum shock structure analysis, the present approach estimates the micro-width of waves associated with phase transformation phenomena, n-heptane is selected as the hydrocarbon fuel for evaporation and condensation analysis while HMX is used for melting and freezing analysis of solid rocket propellant. The estimated thickness of evaporation - condensation front of n-heptane is on the order of $10^{-2}$ micron while the HMX melting - freezing front thickness is estimated at 1 micron.
Keywords
Phase Front Structure; n-heptane; HMX; Energy Materials; Thermal-Mechanical Modeling; Phase Variable;
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