Premixed Combustion of a Fine AP/HTPB Composite Propellant Based on Detailed Chemical Kinetics

Abstract:

A model for Premixed Ammonium Perchlorate (AP)/Hydroxyl-terminated Polybutadiene (HTPB) combustion based on detailed chemical kinetics was established on two-dimensional cylindrical coordinates using the Vorticity-Velocity formulation, finite difference methods and several essential mathematical algorithms. This model includes both solid and condensed phase combustion mechanisms and the detailed chemical kinetics of the gas phase with 37 species and 127 reactions. Results obtained from the model, such as temperature and burning rate, match data from experiments. It is found that the model established in the current study is reliable and accurate, and the Vorticity-Velocity approach combined with finite difference methods is capable of and efficient in dealing with premixed AP/HTPB combustion.

• Periodical: Applied Mechanics and Materials (Volume 390)
• Pages: 320-326
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.390.320
• Online since: August 2013
• Authors: Chen Cheng, Fu Ting Bao, Yu Zhao, Hao Xu
• Keywords: Ap/HTPB, Chemical Kinetics, Premixed Combustion, Vorticity-Velocity Approach

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