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Sutrisno, Tri Agung Rohmat, Setyawan Bekti Wibowo and Sigit Iswahyudi
The maneuverability of the Sukhoi Su-30 at very high angles of attack (AoA) was remarkably appealing. Canard angle, in cooperation with aircraft wing, created a flow pattern whereby, in that position, the fighter still had as much lifting force as possib...
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Weiyu Lu, Guoping Huang, Jinchun Wang and Yuxuan Yang
Traveling wave wall is a useful method to suppress flow separation. However, the interaction between the traveling wave wall and unsteady separation flow is complex, which causes difficulty in discovering the corresponding mechanism. To reveal the mechan...
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Simin Gao, Hexia Huang, Yupeng Meng, Huijun Tan, Mengying Liu and Kun Guo
In this paper, a novel flow perturbation model meant to investigate the effects of incoming wind shear on a hypersonic inlet/isolator is presented. This research focuses on the transient shock/boundary layer interaction and shock train flow evolution in ...
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Jian Liu, Mengyao Xu, Pengchao Liu and Wenxiong Xi
At an extremely high Mach number, the regenerative cooling of traditional kerosene cannot meet the requirement of the heat sink caused by aerodynamic heating and internal combustion in a scramjet propulsion system. As a supplement of traditional regenera...
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Jiacheng Ye, Jing Zhang, Yuebing Wang and Peng Zhao
This paper presents the simulation results of the acoustic field around an underwater supercavitation vehicle under various operating conditions and analyzes the cavitation phenomenon and the hydrodynamic noise spectrum. Regarding the ventilated cavitati...
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Eda Majtan, Lee S. Cunningham and Benedict D. Rogers
Masonry arch bridges form an essential part of existing transport infrastructure around the world, including mainland Europe and the northeastern US. Recent extreme flood events highlight that masonry arch bridges spanning watercourses are vulnerable to ...
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Sho Uranai, Koji Fukudome, Hiroya Mamori, Naoya Fukushima and Makoto Yamamoto
Ice accretion is a phenomenon whereby super-cooled water droplets impinge and accrete on wall surfaces. It is well known that the icing may cause severe accidents via the deformation of airfoil shape and the shedding of the growing adhered ice. To preven...
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Garam Ku, Songjune Lee, Cheolung Cheong, Woong Kang and Kuksu Kim
In industrial fields dealing with high-temperature and high-pressure gas such as chemical, petrochemical, and offshore oil production plants, piping systems with valves are frequently used to protect the relevant system and equipment from being damaged b...
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Chih-Hua Chang
Transient free-surface deformations and evolving vortices due to the passage of flows over a submerged cavity are simulated. A two-dimensional stream function?vorticity formulation with a free-surface model is employed. Model results are validated agains...
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Zhou Shen, Beimeng Hu, Guozhan Li and Hongjun Zhang
The effects of the coolant pulsation and the plasma aerodynamic actuation (PAA) on the film cooling are herein explored via large eddy simulations. The electrohydrodynamic force derived from the PAA was solved through the phenomenological plasma model. T...
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Yinfeng Xu, Xiaohui Liu, Feng Zhou, Xueen Chen, Ruijie Ye and Dake Chen
Upwelling is a widespread phenomenon in the ocean and plays key roles in the marine environment, marine fishery and air?sea carbon exchange. In coastal regions, the upwelling is usually modulated by tides and complex topography, but the dynamical mechani...
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Liquan Xie, Yehui Zhu and Tsung-Chow Su
The intersection of the span shoulder and the scour hole under a pipeline, also called the scour front, can affect the scour hole extension rate and the bearing capacity of the span shoulder, which is associated with pipeline spanning and failure. Studie...
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