大涵道比分排涡扇发动机涡轮轴断裂过渡态性能仿真
大涵道比分排涡扇发动机涡轮轴断裂过渡态性能仿真
丁水汀 王家俊 刘传凯
北京航空航天大学 航空发动机研究院
DOI:10.13224/j.cnki.jasp.20210142
1 分排发动机轴断裂模型
1) 高压转子功率平衡残量
(1) |
2) 低压压气机功率平衡残量
(2) |
3) 低压涡轮功率平衡残量
(3) |
4) 高压涡轮流量连续残量
(4) |
5) 低压涡轮流量连续残量
(5) |
6) 外涵喷管流量连续残量
(6) |
7) 内涵喷管流量连续残量
(7) |
8) 燃油流量连续残量
(8) |
2 仿真结果
2.1 共同工作线变化分析
(9) |
2.2 转子转速变化分析
2.3 燃烧室出口温度分析
2.4 和小涵道比混排涡扇发动机高压轴断裂对比
表1 不同种类发动机高压轴断裂结果对比Table 1 Comparison of different engines with high⁃pressure shaft fracture
3 结 论
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Transition performance simulation of turbine shaft fracture in high bypass ratio turbofan engine with split flow
DING ShuitingWANG JiajunLIU Chuankai
(Research Institute of Aero⁃Engine,Beijing University of Aeronautics and Astronautics,Beijing 100191,China)
引用本文: 丁水汀,王家俊,刘传凯.大涵道比分排涡扇发动机涡轮轴断裂过渡态性能仿真[J].航空动力学报,2022,37(3):564‑572. (DING Shuiting,WANG Jiajun,LIU Chuankai.Transition performance simulation of turbine shaft fracture in high bypass ratio turbofan engine with split flow[J].Journal of Aerospace Power,2022,37(3):564‑572.)
作者简介:丁水汀(1967-),男,教授、博士生导师,博士,主要从事航空发动机复杂系统安全性与适航研究。
基金信息: 国家自然科学基金(61890923)
中图分类号: V228.3
文章编号:1000-8055(2022)03-0564-09
文献标识码: A
收稿日期:2021-04-05
出版日期:2022-03-28
网刊发布日期:2022-04-01
本文编辑:陈越