Progress in numerical simulation of gas-solid two-phase jet in high-speed crossflow

被引：0
作者：
Ma, Likun [1 ]
Xu, Luxi [1 ]
Yang, Pengnian [1 ]
Xia, Zhixun [1 ]
Feng, Yunchao [1 ]
机构：
[1] Hypersonic Technology Laboratory, National University of Defense Technology, Changsha
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2025年 / 40卷 / 04期
关键词：
gas-solid two-phase flow; high-speed flow; solid rocket scramjet; transverse jet; two-phase numerical simulation;
D O I：
10.13224/j.cnki.jasp.20240512
中图分类号：
学科分类号：
摘要：
The progresses in numerical simulation methods，particle dispersion characteristics，and particle effects on flows for high-speed gas-solid two-phase transverse jets in recent years were reviewed. Result showed that，the Eulerian-Lagrangian method is a general simulation approach for studying high-speed gas-solid sparse two-phase flows. The distribution of particles was influenced by the jet flow structure and particle properties，the preferential concentration of particles in the jet flow field was related to the airflow density and vorticity，large particles can change the flow structure of the jet and weaken the turbulence intensity. It was believed that the boundary conditions and numerical methods for the jet outlet could be further improved to enhance the accuracy of the simulation; high-precision data for complex structures and multiple conditions should be supplied to establish a fast prediction model based on machine learning methods. © 2025 Beijing University of Aeronautics and Astronautics (BUAA). All rights reserved.
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