|
|
|
Yadong Zhu, Haifeng Jiao, Shihui Wang, Wenbo Zhu, Mengcheng Wang and Songshan Chen
In order to study the pressure pulsation characteristics and structural dynamic response characteristics of a vertical shaft cross-flow pump, this study used a computational fluid dynamics (CFD) numerical simulation method to analyze the pressure pulsati...
ver más
|
|
|
|
|
|
|
Qingqing Lan, Yang Liu, Rongrong Mu, Xuetao Wang, Qian Zhou, Rehmat Islam, Xu Su and Yongqiang Tian
Potato black scurf, caused by Rhizoctonia solani, is a severe soil-borne disease that affects the quality and production of potatoes worldwide. In our study, we used Paenibacillus polymyxa YF and Bacillus amyloliquefaciens HT to determine the antagonisti...
ver más
|
|
|
|
|
|
|
Yuanbo Dong, Bifeng Song, Wenqing Yang and Dong Xue
Due to the complexity of tailoring the wing flexibility and selecting favorable kinematics, the design of flapping wings is a considerably challenging problem. Therefore, there is an urgent need to investigate methods that can be used to design wings wit...
ver más
|
|
|
|
|
|
|
Ahmed Malim, Nikolaos Mourousias, Benoît G. Marinus and Tim De Troyer
This paper presents an original approach to the structural design and analysis of a 3D-printed thermoplastic-core propeller blade for high-altitude UAVs. A macroscale linear isotropic numerical model for the behavior of 3D-printed parts (in Tough PLA, as...
ver más
|
|
|
|
|
|
|
Yongshuai Sun, Anping Lei, Ke Yang and Guihe Wang
Relying on the Beijing-Shijiazhuang Expressway widening project near the impervious wall of a reservoir, this paper uses FLAC3D two-dimensional and three-dimensional numerical simulation methods to establish the whole process model of the impervious wall...
ver más
|
|
|
|
|
|
|
T. Vamsi Nagaraju, Alireza Bahrami, Ch. Durga Prasad, Sireesha Mantena, Monalisa Biswal and Md. Rashadul Islam
The increase in population has made it possible for better, more cost-effective vehicular services, which warrants good roadways. The sub-base that serves as a stress-transmitting media and distributes vehicle weight to resist shear and radial deformatio...
ver más
|
|
|
|
|
|
|
Yonghui Cao, Tian Bao, Yingzhuo Cao, Pu Wang, Ou Yang, Yang Lu and Yong Cao
Compared with traditional underwater equipment powered by propeller, the manta-ray-inspired vehicle with MPF mode (Median fin/paired fin) has the advantages of stable swimming attitude, high maneuverability, and low noise, etc. As one of the sources of a...
ver más
|
|
|
|
|
|
|
Huibin Zhu, Haoran Zhao, Lizhen Bai, Shi?ao Ma, Xu Zhang and Hui Li
In order to explore the mechanical characteristics of stubble breaking and provide a theoretical basis for the design of a stubble breaking and crushing blockage prevention device, an orthogonal test with three factors (water content, bulk weight, and ro...
ver más
|
|
|
|
|
|
|
Muhammed S. Parancheerivilakkathil, Zawar Haider, Rafic M. Ajaj and Mohammadreza Amoozgar
This paper presents the development of a novel polymorphing wing capable of Active Span morphing And Passive Pitching (ASAPP) for small UAVs. The span of an ASAPP wing can be actively extended by up to 25% to enhance aerodynamic efficiency, whilst its pi...
ver más
|
|
|
|
|
|
|
Andrii Voitik,Vasyl Kravchenko,Ruslan Oliadnichuk,Olexandr Pushka,Serhii Kiurchev,Oleg Ivanov,Ruslan Kharak,Oleksii Nazarenko
Pág. 26 - 32
The paper addresses the operation of a cylindrical brush with elastic rods of bristles at the disclosure of the root system of maternal plants. It has been established that the basic components of the resistance force in the operation of a given brush is...
ver más
|
|
|
|