Modeling and mode transition simulation of over-under turbine based combined cycle (TBCC) propulsion system based on inlet/engine matching

被引：8
|
作者：
Gao, Yuan [1 ]
Xi, Zhihua [1 ]
Hu, Chenxu [1 ]
Zhang, Haibo [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, JiangSu Prov Key Lab Aerosp Power Syst, 29 Yudao St, Nanjing 210016, Peoples R China
来源：
INTERNATIONAL JOURNAL OF TURBO & JET-ENGINES | 2023年 / 40卷 / 02期
关键词：
inlet; engine matching; mode transition; modeling; simulation;
D O I：
10.1515/tjj-2020-0038
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The over-under turbine based combined cycle (TBCC) propulsion system dynamic model is established, including the engine model and inlet model. A dual-channel inlet is designed to match the engine and the inlet performance parameters are obtained by computational fluid dynamics (CFD) calculation, which provides original data for the integrated Inlet/Engine matching model. Control plan is designed to ensure that the engine is not over-temperature, over-rotation or surging based on correlation analysis. The simulation results show that the designed control plan can keep the TBCC propulsion system continuous in thrust during the mode transition, and the thrust fluctuation is about 10%.
引用
收藏
页码：171 / 181
页数：11
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