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Research on the Muzzle Blast Flow with Gas-Particle Mixtures Based on Eulerian-Eulerian Approach

Published online by Cambridge University Press:  16 July 2015

C.-F. Zhuo ,
W.-J. Yao ,
X.-S. Wu ,
F. Feng  and
P. Xu
C.-F. Zhuo
Affiliation:
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, PR China
W.-J. Yao*
Affiliation:
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, PR China
X.-S. Wu
Affiliation:
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, PR China
F. Feng
Affiliation:
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, PR China
P. Xu
Affiliation:
The Technical Center of Jinxi Industries Group Co.,LtdTaiyuan, PR China
*
*Corresponding author (njust203zcf@126.com)
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Abstract

The issue on the muzzle blast flow with gas-particle mixtures was numerically investigated in this paper. The propellant gas in the cannon was assumed to be gas-particle mixtures consisting of a variety of gaseous species and particles. The model made use of the Eulerian-Eulerican approach, where the particle were modeled as a second fluid with parameters like bulk density, velocity and temperature, interacting with the gas flow. A high-resolution upwind scheme(AUSMPW+) and detailed reaction kinetics model were employed to solve the chemical non-equilibrium Euler equations for gas phase. The Euler equations for particle phase were solved by MacCormack scheme. The particle diameter and the mass fraction of particle were tested to show their effects on the development process of muzzle blast flow with gas-particle mixtures. The distribution of the main flow parameters of both gas and particle were obtained at different time intervals. The results show the evolution of the muzzle blast flow with gas-particle mixtures and demonstrate the effects of key parameter on the flow field of the gas-particle flow. This paper is a significant investigation for understanding the muzzle blast flow with gas-particle mixtures, which can provide valuable reference for the research on the muzzle blast flow.

Keywords

Computational fluid dynamicsMuzzle blast flowTwo-phase flowGas-particle mixtures
Type
Research Article
Information
Journal of Mechanics , Volume 32 , Issue 2 , April 2016 , pp. 185 - 195
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2016 

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References

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