LEVITATION

作品数：79被引量：131H指数：5
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相关领域：一般工业技术电气工程更多>>
相关作者：蒋卫卿蓝志强黄春玉郭进周正诚更多>>
相关机构：广西大学右江民族医学院中国科学院力学研究所清华大学更多>>
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相关基金：国家自然科学基金国家教育部博士点基金国家重点基础研究发展计划北京市自然科学基金更多>>
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Evaporation mechanisms during droplet levitation and coalescence basedon molecular dynamics
《Theoretical & Applied Mechanics Letters》2024年第6期531-539,共9页Fengming Chen Tieqiang Gang Lijie Chen 
Droplet levitation and coalescence mechanisms have consistently been a focal point in scientific research.Fromthe perspective of molecular interactions,we investigated the influence of vapor pressure on the levitation...
关键词：Molecular dynamics EVAPORATION DROPLET Knudsen Layer 
Deciphering the glass-forming ability of Al_(2)O_(3)-Y_(2)O_(3)system from temperature susceptibility of melt structure
《Journal of Materials Science & Technology》2024年第18期48-57,共10页Pingsheng Lai Xuan Ge Caijuan Shi Jianqiang Li Fan Yang Wenquan Lu Jianguo Li Qiaodan Hu 
supported by the National Natural Science Foundation of China-Key Program(No.52234010);National Natural Science Foundation of China(No.51971138);National Natural Science Foundation of China-Distinguished Young Scholars(No.52325407);National Key Basic Research Program of China(No.2020YFA0406101);the fund of the State Key Laboratory of Solidification Processing in NWPU(No.SKLSP202102).
Despite its significance in both fundamental science and industrial applications,the glass-forming transition in the Al_(2)O_(3)-Y_(2)O_(3)(AY)refractory system is not yet fully understood due to the elusive structure...
关键词：Glass-forming ability Al_(2)O_(3)-Y_(2)O_(3)glasses Melt structure High-energy synchrotron X-ray diffraction Aerodynamic levitation EPSR simulation 
A new method for precise optical measurements of the sub-micron height of levitation of droplet clusters被引量：1
《Particuology》2024年第4期173-178,共6页Alexander A.Fedorets Eduard E.Kolmakov Leonid A.Dombrovsky 
support by the Ministry of Science and Higher Education of the Russian Federation (project No.FEWZ-2023-0002).
Droplet clusters levitating over the locally heated water surface are considered a very promising phe-nomenon of microfluidics for the potential use of the droplets as unique microreactors for microbio-logical experim...
关键词：Precise measurements Interferometric method Droplet cluster Levitation height 
Disturbance rejection tube model predictive levitation control of maglev trains
《High-Speed Railway》2024年第1期57-63,共7页Yirui Han Xiuming Yao Yu Yang 
supported by the National Natural Science Foundationof China(62273029).
Magnetic levitation control technology plays a significant role in maglev trains.Designing a controller for the levitation system is challenging due to the strong nonlinearity,open-loop instability,and the need for fa...
关键词：Maglev trains Levitation system Constrained control Disturbance observer Model predictive control 
Experimental Study of the Effect of Water Salinity on the Parameters of an Equilibrium Droplet Cluster Levitating over a Water Layer
《Frontiers in Heat and Mass Transfer》2024年第1期1-14,共14页Alexander A.Fedorets Eduard E.Kolmakov Leonid A.Dombrovsky 
the Russian Science Foundation(Project No.24-29-00303)for the financial support of the present study.
New experimental results,which are important for the potential use of small levitating droplets as biochemical microreactors,are reported.It is shown that the combination of infrared heating and reduced evaporation of...
关键词：Droplet cluster saltwater LEVITATION STABILIZATION heat transfer evaporation and condensation 
Vibration reduction for a new-type maglev vehicle with mid-mounted suspension under levitation failure被引量：1
《Science China(Technological Sciences)》2023年第12期3475-3487,共13页ZHANG Min LIU Jing CAO Yi CHEN XianFa MA WeiHua 
supported by the National Natural Science Foundation of China (Grant No.52102442);the Fundamental Research Funds for the Central Universities (Grant Nos.2682022CX060 and 2682023GF002)。
Levitation failure occasionally occurs when a maglev vehicle runs on a track. At the moment of levitation failure, the levitation module falls and hits the track, and there is a violent impact on the maglev vehicle-br...
关键词：mid-and low-speed maglev vehicle maglev vehicle with mid-mounted suspension coupled vibration levitation failure vibration reduction 
Fabrication and luminescence of highly transparent C12A7:Tb^(3+)glass-ceramics via in-situ crystallization from aerodynamic levitation processed glasses
《Journal of Rare Earths》2023年第11期1696-1702,I0002,共8页Yaling Zhang Lingcong Fan Xuefeng Wang Jiansheng Xie Ying Shi 
Project supported by the National Natural Science Foundation of China (51802186,U1732128)。
Rare earth doped 12CaO·7Al_(2)O_(3)(C12A7)glass-ceramics are one of attractive photonic materials due to their high transparency,high luminescent efficiency and eco-friendly nature.A series of C12A7 glasses with diff...
关键词：C12A7:Tb Aerodynamic levitation method GLASS-CERAMICS Crystallization LUMINESCENCE Rare earths 
Ferromagnetic half levitation of LK-99-like synthetic samples被引量：1
《Science China(Physics,Mechanics & Astronomy)》2023年第10期114-120,共7页Kaizhen Guo Yuan Li Shuang Jia 
supported by the National Key Research and Development Program of China(Grant No.2021YFA1401900);the CAS Interdisciplinary Innovation Team,the strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB28000000);the National Natural Science Foundation of China(Grant Nos.12141002,12225401,and U1832214)。
We successfully synthesized polycrystalline LK-99-like ceramic samples with a solid-state-sintering method.Powder X-ray diffraction shows that the main contents are Pb_(10-x)Cu_(x)(PO_(4))_(6)O and Cu_(2)S,consistent ...
关键词：superconducting materials FERROMAGNETISM magnetization curve 
A novel hydrodynamic suspension micropump using centrifugal pressurization and the wedge effect被引量：2
《Science China(Technological Sciences)》2023年第7期2047-2058,共12页XING GuanYing XUE Song HONG Tao ZUO HuaiYu LUO XiaoBing 
supported by the Open Fund of Science and Technology on Thermal Energy and Power Laboratory (Grant No.TPL2019B03)。
The micropump is the heart of microfluidics systems.However,for mechanical micropumps,bearing wear failure has been a major obstacle to performance and reliability.Hydrodynamic suspension,which can make the rotating c...
关键词：hydrodynamic levitation SUSPENSION MICROPUMP 
Temperature-free mass tracking of a levitated nanoparticle
《Chinese Physics B》2023年第7期171-176,共6页田原 郑瑜 刘吕航 郭光灿 孙方稳 
Project supported by the National Natural Science Foundation of China(Grant Nos.12104438 and 62225506);CAS Project for Young Scientists in Basic Research(Grant No.YSBR-049);the Fundamental Research Funds for the Central Universities.
Mass measurement is an essential analytical tool in the characterization of materials.Here we present a method for measuring the mass of an individual nanoparticle which has a fg-level mass.This method enables a tempe...
关键词：optical levitation NANOPARTICLE mass measurement thermal desorption 
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