Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Hechun Yu"'
Publikováno v:
Water Science and Technology, Vol 88, Iss 10, Pp 2566-2580 (2023)
In recent years, chemical water treatment equipment has gained significant attention due to its environmental-friendly features, multifunctionality, and broad applicability. Recognizing the limitations of existing chemical treatment equipment, such a
Externí odkaz:
https://doaj.org/article/79e2185d956c4038b0d072d9b800ea6d
Publikováno v:
Water, Vol 16, Iss 15, p 2171 (2024)
Electrochemical descaling devices have been widely used in the industrial field due to their broad applicability, convenience of operation, and cost-effectiveness. However, there are many factors that affect the descaling performance of electrochemic
Externí odkaz:
https://doaj.org/article/b536d73f217b45aa89129dc19cdd9855
Autor:
Guozhen Fan, Youhua Li, Yuehua Li, Libin Zang, Ming Zhao, Zhanxin Li, Hechun Yu, Jialiang Xu, Hongfei Liang, Guoqing Zhang, Weijie Hou
Publikováno v:
Lubricants, Vol 12, Iss 6, p 224 (2024)
Micro-hole aerostatic bearings are important components in micro-low-gravity simulation of aerospace equipment, and the accuracy of micro-low-gravity simulation tests is affected by them. In order to eliminate the influence of air resistance on the a
Externí odkaz:
https://doaj.org/article/fec3aa3c11154196ba17d58e63d9843c
Autor:
Shuai Li, Yafu Huang, Hechun Yu, Wenbo Wang, Guoqing Zhang, Xinjun Kou, Suxiang Zhang, Youhua Li
Publikováno v:
Lubricants, Vol 12, Iss 3, p 85 (2024)
The solution of equilibrium positions is a critical component in the calculation of the dynamic characteristic coefficients of aerostatic bearings. The movement of the rotor in one direction leads to bidirectional variations in the air film force, re
Externí odkaz:
https://doaj.org/article/884b5017dac84ed8adb53169387f89d4
Publikováno v:
The Journal of Engineering, Vol 2022, Iss 10, Pp 951-959 (2022)
Abstract Strong vibration is the main factor leading to the spinning spindle failure, which is closely related to the spindle end configuration and surface coating. In this study, the effects of the spindle end configuration and surface coating on th
Externí odkaz:
https://doaj.org/article/1a9b973a012d43bdb0ca3fc7a623c063
Autor:
Jin Wang, Qianli Ma, Hepeng Cheng, Hechun Yu, Suxiang Zhang, Huichao Shang, Guoqing Zhang, Wenbo Wang
Publikováno v:
Materials, Vol 16, Iss 14, p 5126 (2023)
Intense research efforts are focused on the development of advanced high-entropy alloys intended for premium aerospace components and other applications, where high strength and good formability are crucial. The mechanical properties of these alloys
Externí odkaz:
https://doaj.org/article/7b4bd61d18a141be97e62062ad000c4e
Publikováno v:
Sensors, Vol 23, Iss 1, p 496 (2023)
In the working process of the gas bearings, the unbalanced force of the rotor will increase nonlinearly with the increase in the rotating speed, resulting in an increase in the rotor’s vibration amplitude. On the other hand, with the increase in th
Externí odkaz:
https://doaj.org/article/867f2609d34b4489a68d9154ca51cdb1
Publikováno v:
Applied Sciences, Vol 11, Iss 17, p 7912 (2021)
The rotation accuracy of the aerostatic spindle can easily be affected by shaft shape errors due to the small gas film clearance. Thus, the main shaft shape errors with the largest scale—that is, the roundness and cylindricity errors—are studied
Externí odkaz:
https://doaj.org/article/8cb5333739bb4b839cd0d43e639f7c0d
Publikováno v:
The Journal of Engineering (2018)
In order to improve the pressure distribution, the aerostatic circular thrust bearing with single supply hole was studied. In the computational fluid dynamics (CFD) simulation, the laminar model, the turbulent model, the mixture model of laminar and
Externí odkaz:
https://doaj.org/article/67dd42692642420590aa974dc895597e
Publikováno v:
Processes
Volume 11
Issue 2
Pages: 560
Volume 11
Issue 2
Pages: 560
In the process of metal cutting, a large amount of chips that are difficult to reuse will be produced, resulting in resource waste. As a novel metal forming process, cryogenic-temperature extrusion machining (CT-EM) can directly process chips into us