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Title:Burning rate of energetic materials with thermal expansion
Author(s):Kuznetsov, Igor R.; Stewart, D. Scott
Abstract:We present a study of one-dimensional flame structure of combusting solid propellants that focuses on the effects of variable material properties. A nonlinear heat equation is derived for a burning thermo-elastic solid with temperature-dependent specific heat, thermal expansion and thermal conductivity coeffcients. It is then solved for different modelling approximations both analytically and numerically. Explicit expressions are derived for the regression rate of the propellant surface as functions of surface temperature. The full structure of propellant flame is studied to identify the influence of temperature dependent material properties on the regression rate, surface temperature and flame stand-off distance. Results are displayed for HMX and compared to experimental data and to numerical simulation with fair success.
Issue Date:2005-05
Publisher:Department of Theoretical and Applied Mechanics (UIUC)
Series/Report:TAM Reports 1016
Genre:Technical Report
Publication Status:published
Peer Reviewed:is peer reviewed
Date Available in IDEALS:2007-03-08
Is Version Of:Published as: Igor R. Kuznetsov and D. S. Stewart. Burning rate of homogeneous energetic materials with thermal expansion and varying thermal properties in the condensed phase. Combustion Theory and Modelling, Volume 9, Issue 2 May 2005 , pages 255 - 272. DOI: 10.1080/13647830500098456. Copyright 2005 Taylor & Francis Group Ltd.

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  • Technical Reports - Theoretical and Applied Mechanics (TAM)
    TAM technical reports include manuscripts intended for publication, theses judged to have general interest, notes prepared for short courses, symposia compiled from outstanding undergraduate projects, and reports prepared for research-sponsoring agencies.

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