Numerical study on aerodynamic performance of waverider with a new bluntness method
文献类型：期刊论文
| 作者 | Qu ZP; Xiao HD; Lv MY; Li GL(李广利); Cui K(崔凯); Cui K(崔凯) ; Li GL(李广利)
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| 刊名 | Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
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| 出版日期 | 2020 |
| 关键词 | bluntness method computational fluid dynamics hypersonic volume Waverider |
| ISSN号 | 0954-4100 |
| DOI | 10.1177/0954410020968419 |
| 英文摘要 | The waverider is deemed the most promising configuration for hypersonic vehicle with its high lift-to-drag ratio at design conditions. However, considering the serious aero-heating protection, the sharp leading edge must be blunted. The existing traditional bluntness methods including the following two types: “reducing material method” and “adding material method”. Compared to the initial waverider, the volume will be smaller or larger using the traditional methods. With the fixed blunted radius, the volume and aerodynamic performance is determined. In this paper, a new bluntness method which is named “mixing material method” is developed. In this new method, a new parameter is introduced based on the traditional two bluntness methods. Under fixed blunted radius, the volume and aerodynamic performance can be changed within a wide range by adjusting the parameter. When the parameter is 0 and 1, the novel blunted method degenerated into the “reducing material method” and “adding material method” respectively. The influence of new parameter on the aerodynamic characteristics and volume are studied by numerical simulation. Results show that the volume, lift and lift-to-drag ratio increases with the increase of the parameter under the fixed blunt radius, but simultaneously, the drag will also increase. Therefore, considering the different requirements of the air-breathing hypersonic aircrafts for the balance of thrust and drag, lift and weight, a suitable bluntness parameter can be selected to achieve a balance. This research can provide reference for hypersonic waverider vehicle design. © IMechE 2020. |
| 语种 | 英语 |
| 资助机构 | The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the National Natural Science Foundation of China (Grant No. 11572333). |
| 其他责任者 | Li, G. ; State Key Laboratory of High Temperature Gas Dynamics of Institute of Mechanics, China ; 电子邮件: liguangli@imech.ac.cn |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/86648]  |
| 专题 | 力学研究所_高温气体动力学国家重点实验室 |
| 作者单位 | 1.School of Engineering Science, University of Chinese Academy of Sciences, Beijing, China 2.State Key Laboratory of High Temperature Gas Dynamics of Institute of Mechanics, Chinese Academy of Sciences, Beijing, China 3.School of Aeronautic Science and Engineering, Beihang University, Beijing, China |
| 推荐引用方式 GB/T 7714 | Qu ZP,Xiao HD,Lv MY,et al. Numerical study on aerodynamic performance of waverider with a new bluntness method[J]. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering,2020. |
| APA | Qu ZP.,Xiao HD.,Lv MY.,李广利.,崔凯.,...&Li GL.(2020).Numerical study on aerodynamic performance of waverider with a new bluntness method.Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. |
| MLA | Qu ZP,et al."Numerical study on aerodynamic performance of waverider with a new bluntness method".Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering (2020). |
入库方式： OAI收割
来源：力学研究所
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