折流燃烧室几何结构简化和流量统计对比

In order to meet the requirements of high-fidelity numerical simulation of aero-engine combustion chambers, the self-developed software AECSC-IBM simulates the simplified structural geometric model and high-fidelity geometric model of a certain type of slinger combustor under cold working conditions numerically in this paper. The results show that the difference in the geometry of the slinger combustor will make the flow distribution and flow field structure of the combustor different. For flow distribution, the proportions of the three streams in the simplified geometric model are 16. 26%, 26. 74% and 57% respectively, and the proportions of the three streams in the high-fidelity geometric model are 21. 23%, 17. 58% and 61. 19% respectively; for the flow field structure, the main combustion zone of the high-fidelity slinger combustor is close to the front end of the flame tube shell, while the main combustion zone of the simplified structure slinger combustor is obviously backward.