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Huadong Li, Yiliang Liu, Daochun Li, Dawei Bie and Zi Kan
The marsupial unmanned aircraft system (UAS) consists of a large parent unmanned aerial vehicle (UAV) and multiple small children UAVs that can be launched and recovered in the air. The employment of marsupial UAS can expand the mission range of small UA...
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Huadong Li, Daochun Li, Tong Shen, Dawei Bie and Zi Kan
X-shaped flapping wings have excellent maneuverability and flight capabilities under low-Reynolds-number conditions. An appropriate tail can extend the range of a vehicle and improve its stability. This study takes two typical configurations, the inverte...
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Dawei Bie, Daochun Li, Huadong Li, Zi Kan and Zhan Tu
In this work, we use a three-dimensional computational fluid dynamics (CFD) simulation to comprehend how the two wing arrangement variables, i.e., inner/outer wing proportion and mid-stroke dihedral, affect the lift characteristic of a bat-inspired span ...
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Dawei Li, Tao Wang, Xiaolei Yin, Jiamei Li, Hui Yu, Li Wang, Xingqiang Lu and Guang Xu
This study aims to update the existing SG PW laser system and improve the temporal contrast and shape fidelity of a compressed pulse with a 150 fs level for multi-PW (5?10 PW). The design of third-order dispersion (TOD) compensation via a birefringent cr...
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Fengming Du, Dawei Li, Xiaoxia Sa, Cong Li, Yang Yu, Chengdi Li, Jingsi Wang and Weiwei Wang
Sliding bearings are critical components of the internal combustion engine. Friction and wear occur in the contact area between the shaft and the bearing. Significant wear can occur in poor working conditions or after a long service time, leading to the ...
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Yan Li, Lin Mu, Dawei You, Jiaying Wang, Qianru Niu and Xiaomei Liao
To estimate the changes in the annual mean sea level (MSL) and extreme sea levels (ESLs), the largest collection of tide gauge records from 10 tidal stations along the northern coast of the South China Sea (SCS) were analyzed in this study. Here, all the...
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Rongsheng Zhu, Wenhao Shi, Gongchang Gan, Huairui Li, Dawei Yang, Yuchen Duan and Qiang Fu
To investigate the transient characteristics of high-speed axial flow water-jet pumps during start-up and emergency acceleration as well as to analyze how different accelerations affect the performance of internal flow, the k?? turbulence model of the SS...
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Xin Zhao, Jun Li, Shuying Zhao, Lili Chen, Man Zhang, Yi Ma and Dawei Yao
MicroRNAs (miRNAs) are small RNA molecules consisting of approximately 22 nucleotides that are engaged in the regulation of various bio-processes. There is growing evidence that miR-29 is a key regulator of hepatic lipid metabolism. Mimics and inhibitors...
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Huiwen Wang, Dandan Li, Taozhen Sheng, Jinbao Sheng, Peiran Jing and Dawei Zhang
The results of the paper can help to conduct a more scientific dam risk analysis, identify human errors in dam collapse accidents, and improve risk management in a targeted manner.
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Yuxin Zhang, Shumian Yang, Lijuan Xu, Xin Li and Dawei Zhao
As the amount of malware has grown rapidly in recent years, it has become the most dominant attack method in network security. Learning execution behavior, especially Application Programming Interface (API) call sequences, has been shown to be effective ...
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Yuanjing Wang, Dawei Liu, Xin Xu and Guoshuai Li
The scale difference between the real flight vehicle and the experimental model results in the Reynolds number effect, which makes it unreliable to predict the aerodynamic characteristics of flight vehicles by wind tunnel testing. To understand the mecha...
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Yuntian Yang, Dawei Guo, Xiaokang Li, Leimin Deng, Bixuan Che and Mousen Cheng
The porous-media-based electrospray thruster is a cutting-edge micropropulsion technology that can revolutionize the capabilities of microsatellites. This paper reports the design, fabrication, and characterization of a novel porous-media borosilicate gl...
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Dawei Ma, Hongchao Fan, Wenwen Li and Xuan Ding
As the world?s largest crowdsourcing-based street view platform, Mapillary has received considerable attention in both research and practical applications. By February 2019, more than 20,000 users worldwide contributed approximately 6.3 million kilometer...
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Dawei Hu, Gangyan Li, Guoming Zhu, Zihao Liu and Yingxu Wang
This paper presents a control-oriented LPV (Linear Parameter-Varying) model for commercial vehicle air brake systems, where a pneumatic valve actuator is used to control the brake chamber pressure. To improve the brake system response time and reduce the...
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Kexin Li, Jun Wang and Dawei Qi
A number of intelligent warning techniques have been implemented for detecting underwater infrastructure diagnosis to partially replace human-conducted on-site inspections. However, the extensively varying real-world situation (e.g., the adverse environm...
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Kexin Li, Jun Wang and Dawei Qi
Damage mechanisms of Reactive Powder Concrete (RPC) under fatigue loading are investigated using the 3D laser scanning technology. An independently configured 3D laser scanning system is used to monitor the damaging procedure. Texture analysis technique ...
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Dawei Pan, Meifang Liu, Qiang Chen, Weixing Huang and Bo Li
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Feng Gong, Hao Li, Wenbin Wang, Dawei Xia, Qiming Liu, Dimitrios V. Papavassiliou and Ziqiang Xu
Thermal management in microelectronic devices has become a crucial issue as the devices are more and more integrated into micro-devices. Recently, free-standing graphene films (GFs) with outstanding thermal conductivity, superb mechanical strength, and l...
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Yandong Lv, Yue Hu, Fujing Sun, Wanyue Huo, Hongyu Li, Lihua Liu, Dawei Yin, Guiping Zheng and Xiaohong Guo
High input costs and poor management options have resulted in a large rice yield gap. Thus, there is a need to reduce production costs and improve resource-use efficiency by using new cultivation techniques at different locations. The objective of this s...
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Junjie Tang, Li Feng, Chunwei Zhang, Yuan Sun, Long Wang, Yizhou Zhou, Dawei Fang and Yan Liu
This study provides a theoretical basis and practical experience for optimizing the recrystallization process of ammonium perrhenate and the design of a recrystallization reactor.
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