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Feng Deng, Shenghua Zhang and Ning Qin
At transonic flight conditions, the buffet caused by the shockwave/boundary-layer interaction can degrade aircraft performance and even threaten their safety. In this paper, a closed-loop control using an active shock control bump (SCB) has been proposed...
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Nurfathin Zahrolayali, Mohd Rashdan Saad, Azam Che Idris and Mohd Rosdzimin Abdul Rahman
Utilization of a heat source to regulate the shock wave?boundary layer interaction (SWBLI) of hypersonic inlets during throttling was computationally investigated. A plug was installed at the intake isolator?s exit, which caused throttling. The location ...
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Jeffrey Burkhartsmeyer and Kam Sing Wong
Acoustic shockwaves are of interest as a possible means of the selective inactivation of viruses. It has been proposed that such inactivation may be enhanced by driving the virus particles at frequencies matching the characteristic frequency correspondin...
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Qi-Gang Wu, Zuo-Cheng Wang, Bao-Yu Ni, Guang-Yu Yuan, Yuriy A. Semenov, Zhi-Yuan Li and Yan-Zhuo Xue
When an airgun releases high-pressure gas underwater below an ice plate, it is observed that a bubble is formed rapidly while the ice plate is broken fiercely. In order to study the ice-water-gas interaction during this transient and violent phenomenon, ...
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Jiwon Son, Chankyu Son and Kwanjung Yee
Waverider is a hypersonic vehicle that improves the lift-to-drag ratio using the shockwave attached to the leading edge of the lifting surface. Owing to its superior aerodynamic performance, it exhibits a viable external configuration in hypersonic fligh...
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Yufei Zhang, Pu Yang, Runze Li and Haixin Chen
The unsteady flow characteristics of a supercritical OAT15A airfoil with a shock control bump were numerically studied by a wall-modeled large eddy simulation. The numerical method was first validated by the buffet and nonbuffet cases of the baseline OAT...
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Muhammad Umair Khan, Salman Saeed, Moncef L. Nehdi and Rashid Rehan
Traffic-flow modelling has been of prime interest to traffic engineers and planners since the mid-20th century. Most traffic-flow models were developed for the purpose of characterizing homogeneous traffic flow. Some of these models are extended to chara...
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Ye Chen, Zhongxi Hou, Xiaolong Deng, Zheng Guo, Shuai Shao and Boting Xu
The lift of an aircraft can be effectively enhanced by circulation control (CC) technology at subsonic speeds, but the efficiency at transonic speeds is greatly decreased. The underlying mechanism of this phenomenon is not fully understood. In this study...
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Lucian Daniel Dobreci, Valentin Zichil, Elena Nechita, Cosmin Constantin Grigora? and Vlad Andrei Ciubotariu
Shockwave therapy is a noninvasive treatment technique used in multidisciplinary fields, such as sports medicine, physical therapy, and orthopedics. This method of treatment is recommended for medical conditions, such as muscle contractions, intramuscula...
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Kai Gao, Shuo Huang, Farong Han, Shuo Li, Wenguang Wu and Ronghua Du
The proposed algorithm and architecture has the capability of estimating the queue length of waiting vehicles at a signalized intersection, where traffic cameras, edge server, and some connected vehicles are available. This method can resolve the queue l...
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