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Zhen Xu, Lianjiang Xu, Junfeng Sun, Meihong Liu, Taohong Liao and Xiangping Hu
Flexible support cylindrical gas film seals (CGFSs) adapt well to rotor whirling and have a good gas lubrication effect during thermal deformation. However, when a CGFS operates under the ?three high? (high interface slip speed, high-pressure differentia...
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Meili Wang, Ye Tian, Shengfa Yang and Pingyi Wang
This study combined the characteristics of rock mass structure, channel characteristics of main and tributary rivers, and flow conditions in the Three Gorges Reservoir area of the Yangtze River and designed and constructed a three-dimensional granular ro...
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Gao Huang, Chengjun Qiu, Mengtian Song, Wei Qu, Yuan Zhuang, Kaixuan Chen, Kaijie Huang, Jiaqi Gao, Jianfeng Hao and Huili Hao
Cavitation is typically observed when high-pressure submerged water jets are used. A composite nozzle, based on an organ pipe, can increase shear stress on the incoming flow, significantly enhancing cavitation performance by stacking Helmholtz cavities i...
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Bo Yang, Hesen Yang, Ning Zhao, Hua Liang, Zhi Su and Dongsheng Zhang
The double-wedge configuration is a typical characteristic shape of the rudder surface of high-speed aircraft. The impact of the shock wave/boundary layer interaction and the shock wave/shock wave interaction resulting from the double wedge on aircraft a...
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Bo Yang, He Yu, Chaofan Liu, Xiang Wei, Zichen Fan and Jun Miao
High-speed turbulence is generated when hypersonic vehicles fly in the atmosphere, which can create aero-optical effects and interfere with optical navigation and guidance systems. At the same time, the front end and optical window of hypersonic vehicles...
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Lin Ke, Jinming Ye and Qiufeng Liang
Flow field performance tests of submarine models with cross-rudder and X-rudder stern control surfaces were conducted to study X-rudders? performance in non-uniform flow fields. The tests compared performance parameters such as resistance, lateral steeri...
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Xingcheng An, Xiupei Cheng, Xianliang Wang, Yue Han, Hui Li, Lingyu Liu, Minghao Liu, Meng Liu and Xiangcai Zhang
Wheat sowing has the characteristics of wide and short sowing periods, and there are situations in which the suitable sowing period is missed. In order to meet the needs of high-speed sowing, a centrifugal wheat strip seeding device was designed, the pri...
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Xing Zhao, Xiaoyang Jia, Lin Li and Hanyu Wang
In this paper, we aim to address the challenge of airflow interference during fault detection in high-speed train bogies by introducing a flow field and investigating the characteristics of the sound field distribution of critical components under its in...
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Bo Yang, Hesen Yang, Chuanbiao Zhang, Ning Zhao, Hua Liang and Dongsheng Zhang
Compression corner shock wave/boundary layer interaction (SWBLI) is a typical shock wave/boundary layer interaction (SWBLI) problem in supersonic/hypersonic flows. In previous studies, the separation flow is usually caused by a single shock wave. However...
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Rubing Liu, Shenghui Xue, Wentao Wei, Qi Lin and Kun Tang
Conventional plasma synthetic jet actuators rely only on jet orifice for suction when functioning for long durations. A limited supplementary gas leads to jet velocity reduction and weakening of the flow control ability. Therefore, this study proposes an...
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