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Numerical study on aerodynamic performance of waverider with a new bluntness method
Qu ZP; Xiao HD; Lv MY; Li GL(李广利); Cui K(崔凯)
Source PublicationProceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
2021-08
Volume235Issue:10Pages:1225-1233
ISSN0954-4100
Abstract

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.

Keywordbluntness method computational fluid dynamics hypersonic volume Waverider
DOI10.1177/0954410020968419
Indexed BySCI ; EI
Language英语
WOS IDWOS:000674367800008
WOS KeywordDESIGN ; VEHICLE ; OPTIMIZATION ; INLET
WOS Research AreaEngineering
WOS SubjectEngineering, Aerospace ; Engineering, Mechanical
Funding ProjectNational Natural Science Foundation of China[11572333]
Funding OrganizationThe 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).
ClassificationQ4
Ranking1
ContributorLi, G.
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/86648
Collection高温气体动力学国家重点实验室
Affiliation1.School of Aeronautic Science and Engineering, Beihang University, Beijing, China
2.State Key Laboratory of High Temperature Gas Dynamics of Institute of Mechanics, Chinese Academy of Sciences, Beijing, China
3.School of Engineering Science, University of Chinese Academy of Sciences, Beijing, China
Recommended Citation
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,2021,235(10):1225-1233.
APA Qu ZP,Xiao HD,Lv MY,Li GL,&Cui K.(2021).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,235(10),1225-1233.
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 235.10(2021):1225-1233.
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