Zobrazeno 1 - 10
of 193
pro vyhledávání: '"ZhengHua Qian"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 61, Iss , Pp 104887- (2024)
This work aims to investigate the vibration behavior of porous three-directional functionally graded (3D-FG) microshells in thermal environments, where both mechanical and thermal material properties vary along three spatial directions following a po
Externí odkaz:
https://doaj.org/article/af069746db1c42ccaadb0f474670358e
Publikováno v:
IEEE Access, Vol 11, Pp 23935-23945 (2023)
Quantitative detection of defects in structures is always a hot research topic in the field of guided wave inverse scattering. Research studies on how to effectively extract the defect-related information encompassed in the multi-frequency and multi-
Externí odkaz:
https://doaj.org/article/7ec27ed0a4a54c828e98caaf4754d49e
Autor:
Bowei Wu, Pengfei Kang, Tingfeng Ma, Yuming Yao, Ning Gan, Peng Li, Zhenghua Qian, Iren Kuznetsova, Ilya Nedospasov, Wenhui Hu
Publikováno v:
Micromachines, Vol 14, Iss 12, p 2162 (2023)
In this work, high-frequency forced vibrations of lateral field excitation (LFE) devices with stepped electrodes based on monoclinic crystals GdCOB are modeled, and the influence laws of the device parameters (the step number, size, and thickness of
Externí odkaz:
https://doaj.org/article/dba0c22b6f044446aea3b54ebde65a73
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 8, Iss 2, Pp 629-640 (2022)
The dynamic response of an anisotropic multilayer magneto-electro-elastic (MEE) plate due to an external excitation is investigated in this work, using the stiffness matrix approach. A parametric study is performed by varying the stacking sequence, p
Externí odkaz:
https://doaj.org/article/77771bbade304248997d25a4984aea44
Publikováno v:
Royal Society Open Science, Vol 9, Iss 8 (2022)
Two new metal-organic frameworks (MOFs) (Th/ Ce -TCPE) based on 1,2,4,5-tetrakis(4-carboxyphenyl)ethylene were obtained using a straightforward reaction under moderate conditions. Th and Ce formed the central units of this MOF in the mononuclear and
Externí odkaz:
https://doaj.org/article/381c266e0a7744219a1fbabdf5315ebb
Publikováno v:
Sensors, Vol 23, Iss 11, p 5168 (2023)
With the miniaturization and high-frequency requirements of quartz crystal sensors, microscopic issues affecting operating performance, e.g., the surface roughness, are receiving more and more attention. In this study, the activity dip caused by surf
Externí odkaz:
https://doaj.org/article/7c312eb65c4741a883700e706e68e76c
Publikováno v:
Micromachines, Vol 14, Iss 3, p 669 (2023)
Lubricants have the ability to reduce frictions, prevent wear, convey metal debris particles and increase the efficiency of heat transfer; therefore, they have been widely used in mechanical systems. To assess the safety and reliability of the machin
Externí odkaz:
https://doaj.org/article/3efd530befe24ca0bf6aafc8a8b5f92c
Publikováno v:
IEEE Access, Vol 9, Pp 16041-16052 (2021)
Defect inspection in pipes at the early stage is of crucial importance to maintain the ongoing safety and suitability of the equipment before it presents an unacceptable risk. Due to the nature of detection methods being costly or complex, the effici
Externí odkaz:
https://doaj.org/article/2b1cc33a22e341b39b0f51a688528956
Autor:
Andrey Smirnov, Vladimir Anisimkin, Natalia Voronova, Elizaveta Shamsutdinova, Peng Li, Hamdi Ezzin, Zhenghua Qian, Tingfeng Ma, Iren Kuznetsova
Publikováno v:
Sensors, Vol 22, Iss 19, p 7231 (2022)
Using acoustic wave modes propagation in piezoelectric plates loaded with conductive liquids, peculiarities of the mode-liquid acoustoelectric interaction are studied. It is found that (i) in contrast to bulk and surface acoustic waves propagating in
Externí odkaz:
https://doaj.org/article/ff731fcb1c604416ac2d90e5aaefb3c9
Autor:
Vladimir Anisimkin, Elizaveta Shamsutdinova, Peng Li, Bin Wang, Feng Zhu, Zhenghua Qian, Iren Kuznetsova
Publikováno v:
Sensors, Vol 22, Iss 7, p 2727 (2022)
Using plates of weak piezoeletcric crystal (quartz) loaded with various liquids, it is shown that along with common modes, whose sensitivity towards different liquid parameters comparable with each other, there are some uncommon modes, whose amplitud
Externí odkaz:
https://doaj.org/article/f4e6806fb52f4ace82afc151d9023372