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Simulation of double base propellant combustion using the ICT-cellular-combustion-algorithm

: Wurster, Sebastian

Volltext urn:nbn:de:0011-n-4023233 (1009 KByte PDF)
MD5 Fingerprint: dd588a524cc9eecdeea1e1d6d7979ac1
Erstellt am: 12.7.2016

Fraunhofer-Institut für Chemische Technologie -ICT-, Pfinztal:
Energetic Materials. Synthesis, Characterization, Processing : 47th International Annual Conference of ICT, June 28 to July 1, 2016, Karlsruhe, Germany, Proceedings
Pfinztal: Fraunhofer ICT, 2016
11 S.
Fraunhofer-Institut für Chemische Technologie (International Annual Conference) <47, 2016, Karlsruhe>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ICT ()

Closed vessel experiments with a 7 perforated double base propellant have been conducted and are compared to simulation results from a new interior ballistic model. The new model implements the two dimensional ICT-Cellular-Combustion-Algorithm (ICCA) which makes it possible to simulate 2D form functions of propellant cross sections. Together with a preprocessing algorithm and a lumped parameter model based on STANAG 4367 this makes the simulation of 3D propellants with a complex cross sectional geometry possible. The used lumped parameter model goes beyond STANAG 4367 in considering the pressure dependent thermochemistry of the product gases. It is shown that the new model is able to reproduce the dynamic vivacities from closed vessel experiments with a high degree of accuracy.