Study on the mechanism of accelerated-initiation of oblique detonation waves induced by a three-stage wedge configuration
文献类型：期刊论文
| 作者 | Xin, Yirong4; Xiang, Gaoxiang1,2,4; Wang Q(汪球)3
|
| 刊名 | AEROSPACE SCIENCE AND TECHNOLOGY
 |
| 出版日期 | 2025-09-01 |
| 卷号 | 164页码:14 |
| 关键词 | Oblique detonation wave Accelerated initiation Three-stage wedge Shock interaction |
| ISSN号 | 1270-9638 |
| DOI | 10.1016/j.ast.2025.110438 |
| 通讯作者 | Xiang, Gaoxiang(xianggx@nwpu.edu.cn) |
| 英文摘要 | To address the challenge of oblique detonation wave (ODW) extinction under real flight conditions, this paper introduces a novel method for accelerated initiation of ODW by using a three-stage wedge. The multi-species reactive Reynolds-Averaged Navier-Stokes (RANS) equations augmented with a comprehensive hydrogen reaction model are solved, the combustion characteristics and fluid dynamics of the ODW induced by the three-stage wedge configuration is investigated. The results show that the strong combustion wave induced by the secondstage large-angle short wedge can successfully accelerate the initiation of the ODW. Three distinct wave structures are identified: Type I (OSW-SODW-ODW), resembling Type VI shock interaction; Type II (OSW-SODW-MSODW), akin to Type V shock interaction; and Type III (OSW-NDW-TSW-ODW), similar to Type IV shock interaction. As the second-stage wedge's angle and length increase, the flow structure evolves from Type I to Type II, and finally to Type III. Considering the viscous effects, shock wave/boundary layer interaction in front of the secondary wedge changes the overall wave configurations, this is because the separating bubble in front of the second-stage wedge acted as a pneumatic wedge with small angle. Decreasing the third wedge's angle enhances the expansion wave intensity, reduces the overdrive degree of the ODW, thereby minimizing total pressure loss and improving the total pressure recovery coefficient. These findings expand the operational range of oblique detonation engines and provide valuable insights for designing more efficient and practical engine configurations. |
| 分类号 | 一类 |
| WOS关键词 | SUPERSONIC COMBUSTION |
| 资助项目 | National Natural Science Foundation of China[12202365] ; Guangdong Basic and Applied Basic research Foundation[2022A1515011565] ; Guangdong Basic and Applied Basic research Foundation[2023A1515010031] ; Natural Science Foundation of Chongqing[2022NSCQ-MSX5709] ; China Post-doctoral Science Foundation[2021M692633] ; China Post-doctoral Science Foundation[2022T150534] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001513288700007 |
| 资助机构 | National Natural Science Foundation of China ; Guangdong Basic and Applied Basic research Foundation ; Natural Science Foundation of Chongqing ; China Post-doctoral Science Foundation |
| 其他责任者 | Xiang, Gaoxiang |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/101829]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 作者单位 | 1.Northwestern Polytech Univ, Innovat Ctr NPU Chongqing, Chongqing 400000, Peoples R China 2.Northwestern Polytech Univ Shenzhen, Res & Dev Inst, Shenzhen 518057, Peoples R China; 3.Chinese Acad Sci, State Key Lab High Temp Gas Dynam, Inst Mech, Beijing 100190, Peoples R China; 4.Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710129, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Xin, Yirong,Xiang, Gaoxiang,Wang Q. Study on the mechanism of accelerated-initiation of oblique detonation waves induced by a three-stage wedge configuration[J]. AEROSPACE SCIENCE AND TECHNOLOGY,2025,164:14. |
| APA | Xin, Yirong,Xiang, Gaoxiang,&汪球.(2025).Study on the mechanism of accelerated-initiation of oblique detonation waves induced by a three-stage wedge configuration.AEROSPACE SCIENCE AND TECHNOLOGY,164,14. |
| MLA | Xin, Yirong,et al."Study on the mechanism of accelerated-initiation of oblique detonation waves induced by a three-stage wedge configuration".AEROSPACE SCIENCE AND TECHNOLOGY 164(2025):14. |
入库方式： OAI收割
来源：力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。