Modelling and the analysis of ignition in solid-propellant rocket engine with the end-burning charge

O. V. Mishchenkova, A. V. Aliev, Е. S. Baymetova

Kalashnikov State Technical University, Izhevsk, Russia

Abstract: Intra-chamber processes in rocket engine with the end-burning propellant charge are considered. A special feature is a non-trivial geometry of volume of rocket engine chamber. The mathematical model of intra-chamber processes assumes a two-dimensional flow of combustion products and is solved using the original schemes of a large particles method. The calculations showed that the ignition of a propellant surface may have spotty character, which in some cases may be the cause of abnormal operation of rocket engine.

Keywords: rocket engine, propellant, mathematical models, gas dynamics, ignition.

UDC: 621.454.3