Abstract
A numerical simulation of the two-phase viscous flow in an axial symmetric solid rocket motor is presented. A Eulerian-Lagrangian approach is employed in the computation to couple the gas-particle flow in the tail-pipe nozzle. The analysis is based on a TVD scheme and time-stepping Runge-Kutta method in conjunction with a Finite Volume Method. Calculated results for both one-and two-phase flows are given. The particle influence on the flow field and the rules of particles with different sizes flowing in the tail-pipe nozzle is studied.
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