Zobrazeno 1 - 10
of 177
pro vyhledávání: '"Yefa Hu"'
Publikováno v:
Sensors, Vol 24, Iss 6, p 1715 (2024)
Terahertz (THz) non-destructive testing can detect internal defects in dielectric materials. However, this technology is mainly used for detecting thin and simple structures at present, lacking validations for the detection effectiveness of internal
Externí odkaz:
https://doaj.org/article/0779ef94ddde4a64bdaeafaeb505d5a0
Publikováno v:
Applied Sciences, Vol 14, Iss 4, p 1384 (2024)
Active magnetic bearings (AMBs) are widely used in different industries to offer non-contact and high-velocity rotational support. The AMB is prone to failures, which may result in system instability and decreased performance. The efficacy and reliab
Externí odkaz:
https://doaj.org/article/2f1872127c9f401a98680cb955fcb9ef
Publikováno v:
Heliyon, Vol 9, Iss 3, Pp e14191- (2023)
This paper describes one-dimensional periodic shell structures that have variable cross sections, a new type of periodic shell structures made from photopolymer. This paper will discuss the stiffness of periodic sub-cells that have variable cross sec
Externí odkaz:
https://doaj.org/article/5f7aee0d4cfb479598974b987482a0ee
Autor:
Omer W. Taha, Yefa Hu
Publikováno v:
Applied Sciences, Vol 13, Iss 14, p 8534 (2023)
As an essential enabling technology to realize advanced concepts such as digitization, intelligence, and service, information technology plays a critical role in shaping modern society and driving innovation across various industries and domains. The
Externí odkaz:
https://doaj.org/article/a0af508f4a06413598505b0224075b70
Publikováno v:
Actuators, Vol 12, Iss 1, p 27 (2023)
According to different working environments and functional requirements, radial magnetic bearings (RMBs) have various design methods. Some methods’ lack of effectiveness or accuracy is likely to cause significant differences in the structural perfo
Externí odkaz:
https://doaj.org/article/7edaea1911c9499390ea630c59c2ecae
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 7740-7753 (2020)
Carbon fiber reinforced plastic (CFRP)/aluminum alloy hybrid tubes is a lightweight and energy absorption structure in the automobile design. In this paper, simulations and tests are conducted to study the crashworthiness of the hybrid tubes under th
Externí odkaz:
https://doaj.org/article/21e9c8faed204a878dab62ad523edf53
Publikováno v:
Sensors, Vol 22, Iss 22, p 8692 (2022)
The Maglev motor has the characteristics of high-speed and high-power density, and is widely used in compressors, molecular pumps and other high-speed rotating machinery. With the requirements of miniaturization and high speed of rotating machinery,
Externí odkaz:
https://doaj.org/article/a0f17409af234136b7992b58226705d4
Publikováno v:
Sensors, Vol 22, Iss 8, p 3012 (2022)
At present, magnetic bearings are a better energy-saving choice than mechanical bearings in industrial applications. However, there are strongly coupled characteristics in magnetic bearing–rotor systems with redundant structures, and uncertain dist
Externí odkaz:
https://doaj.org/article/1560736181a54cb6921feb94a1c1ea26
CFD-Based Flow Channel Optimization and Performance Prediction for a Conical Axial Maglev Blood Pump
Publikováno v:
Sensors, Vol 22, Iss 4, p 1642 (2022)
Ventricular assist devices or total artificial hearts can be used to save patients with heart failure when there are no donors available for heart transplantation. Blood pumps are integral parts of such devices, but traditional axial flow blood pumps
Externí odkaz:
https://doaj.org/article/e782a7c0b4284a72a0bfb06da4f1a018
Publikováno v:
Results in Physics, Vol 8, Iss , Pp 1110-1118 (2018)
Low critical rotary speed and large vibration in the metal drive-line system of heavy-duty machine tool affect the machining precision seriously. Replacing metal drive-line with the CFRP drive-line can effectively solve this problem. Based on the com
Externí odkaz:
https://doaj.org/article/09d902855b3d48398d35f4a0d5b7218f