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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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Shenghua Zhang, Feng Deng and Ning Qin
At transonic flight conditions, the buffet caused by the interaction between the shock waves and the boundary layers can degrade an aircraft?s aerodynamic performance and even threaten its safety. In this paper, the shock control bumps, originally design...
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Davide Di Pasquale and Simon Prince
Since modern transport aircraft cruise at transonic speeds, shock buffet alleviation is one indispensable challenge that civil transport research needs to be addressed. Indeed, in the transonic flow regime shock-induced separation and transonic buffet co...
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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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Li Li, Lei Qiao, Jiakuan Xu and Junqiang Bai
Currently, the aviation industry is facing an oil and energy crisis and is contributing much more greenhouse gas emissions to the environment. Aircraft design approaches, such as aerodynamic shape optimization, new configuration concepts, and active cont...
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Yiming Gong, Chuanqiang Gao and Weiwei Zhang
The main buffet suppression techniques of aircrafts include active and passive flow control, aiming to reduce the impact of the fluctuating loads on the airfoil. These techniques are remedies after the airfoil design. The buffet suppression is not always...
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