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Zhuopu Wang, Kairui Yu and Yuanzhe Liu
The unsteady combustion of solid propellants under oscillating environments is the key to understanding the combustion instability inside solid rocket motors. The discontinuous Galerkin?finite element method (DG-FEM) is introduced to provide an efficient...
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Zhuopu Wang, Wenchao Zhang and Yuanzhe Liu
Solid rocket motors are prone to combustion instabilities, which may lead to various problems for the rockets, from unexpected oscillations, precision decreasing, to explosion. The unsteady combustion dynamics of the propellants play a crucial role in mo...
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Zhuoer Yao, Zi Kan and Daochun Li
The spanwise morphing wing can change its aerodynamic shape to suit its flight environment, thereby having the potential to improve the flight performance of the aircraft, especially in gusty conditions. To investigate the potential of morphing wings, th...
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Yunzhou Li, Fuai Yang, Shoutu Li, Xiaoyu Tang, Xuejin Sun, Suiping Qi and Zhiteng Gao
In order to quantitatively analyze the data measurement accuracy of ocean buoys under normal and extreme sea conditions, in this study, we simulated the six-degree-of-freedom motion response of self-designed ocean buoys under different sea conditions bas...
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Qi Liu, Juanmian Lei, Yong Yu and Jintao Yin
Obvious aeroelastic deformation occurs in spinning projectiles with large slenderness ratio, which seriously affects flight stability and maneuverability. This paper investigates the aeroelastic response of spinning projectiles with large slenderness rat...
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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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Renguo Yang, Yadong Gao, Huaming Wang and Xianping Ni
In order to further reduce the vibration level of helicopters, the active vibration control technology of helicopters has been extensively studied. Among them, individual blade control (IBC) independently applies high-order harmonics to each blade with a...
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Changbao Yang, Zhisheng Wang, Zhe Chen, Yuanwei Lyu and Jingyang Zhang
Gas foil journal bearings (GFJBs) have been widely employed in high-speed rotating machinery in the aviation industry. However, the role of fluid?structure interaction in the unsteady aerodynamic character of the gas film and the dynamic response of the ...
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Yongchang Huang, Xiangying Guo and Dongxing Cao
Z-shaped folding wings have the potential to enhance the flight performance of an aircraft, contingent upon its mission requirements. However, the current scope of research on unmanned aerial vehicles (UAVs) with Z-shaped folding wings primarily focuses ...
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M. R. Ajith Kumar, Jaan H. Pu, Prashanth R. Hanmaiahgari and Martin F. Lambert
A problem with 1-D water hammer modelling is in the application of accurate unsteady friction. Moreover, investigating the time response of fluid dynamics and unsteady turbulence structures during the water hammer is not possible with a 1-D model. This r...
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