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Volume 34, Issue 11
November 2022
Letter| November 02 2022
Jianrui Cheng (程剑锐)
;
Jianrui Cheng (程剑锐) a)
(Conceptualization, Data curation, Investigation, Methodology, Validation, Writing – original draft)
School of Aerospace Engineering, Xiamen University
, Xiamen, Fujian 361005,
China
a)Authors to whom correspondence should be addressed: chengjr@stu.xmu.edu.cn and chengxiang.zhu@xmu.edu.cn
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Kai Yang (杨凯);
Kai Yang (杨凯)
(Investigation, Visualization)
School of Aerospace Engineering, Xiamen University
, Xiamen, Fujian 361005,
China
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Xiaogang Zheng (郑晓刚);
Xiaogang Zheng (郑晓刚)
(Methodology, Validation, Writing – review & editing)
School of Aerospace Engineering, Xiamen University
, Xiamen, Fujian 361005,
China
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Chongguang Shi (施崇广);
Chongguang Shi (施崇广) b)
(Conceptualization, Data curation, Methodology, Writing – review & editing)
School of Aerospace Engineering, Xiamen University
, Xiamen, Fujian 361005,
China
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Chengxiang Zhu (朱呈祥)
;
Chengxiang Zhu (朱呈祥) a)
(Conceptualization, Data curation, Investigation, Methodology, Validation, Writing – review & editing)
School of Aerospace Engineering, Xiamen University
, Xiamen, Fujian 361005,
China
a)Authors to whom correspondence should be addressed: chengjr@stu.xmu.edu.cn and chengxiang.zhu@xmu.edu.cn
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Yancheng You (尤延铖)
Yancheng You (尤延铖)
(Conceptualization, Methodology, Writing – review & editing)
School of Aerospace Engineering, Xiamen University
, Xiamen, Fujian 361005,
China
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Author & Article Information
a)Authors to whom correspondence should be addressed: chengjr@stu.xmu.edu.cn and chengxiang.zhu@xmu.edu.cn
b)
Electronic mail: chongguangshi@xmu.edu.cn
Physics of Fluids 34, 111701 (2022)
Article history
Received:
September 12 2022
Accepted:
October 13 2022
Connected Content
A related article has been published: Publisher's Note: “Analytical model for predicting the length scale of shock/boundary layer interaction with curvature” [Phys. Fluids 34, 111701 (2022)]
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Citation
Jianrui Cheng, Kai Yang, Xiaogang Zheng, Chongguang Shi, Chengxiang Zhu, Yancheng You; Analytical model for predicting the length scale of shock/boundary layer interaction with curvature. Physics of Fluids 1 November 2022; 34 (11): 111701. https://doi.org/10.1063/5.0125439
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In practical aerodynamic problems, curved shock/boundary layer interaction (CSBLI) is more frequently encountered than the canonical shock/boundary layer interaction (SBLI). Owing to the topological complexity of the flow field brought about by shock curvature, accurate prediction of the interaction length scale of CSBLI is a challenging task. In this work, streamwise and spanwise curvatures are introduced, in turn, with the aim of establishing an analytical model for the interaction length scale of CSBLI based on conservation of mass. The validity and universality of the model are verified, which reveal the impact of the shock curvatures on the interaction, acting as the form of non-uniformity. As an example, the CSBLI with different curvatures is compared, demonstrating that a streamwise curvature of 0.071 will bring a reduction of about 16.5% of the interaction length. The proposed method can be regarded as providing a foundation for further research on CSBLI, opening new perspectives for the investigation of SBLI flow structures.
Topics
Equations of fluid dynamics, Shock waves, Boundary layer flow, Turbulent flows
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© 2022 Author(s). Published under an exclusive license by AIP Publishing.
2022
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