ANNULAR

作品数：317被引量：544H指数：9
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Design,fabrication and characteristics of optofluidic variable aperture based on electromagnetic-driving
《Optoelectronics Letters》2024年第12期705-708,共4页ZHANG Anning ZHAO Rui WEI Xian LIANG Zhongcheng HAN Zefeng 
supported by the National Natural Science Foundation of China(No.61775102);the Youth Program of National Natural Science Foundation of China(No.61905117)。
An electromagnetic-driving variable liquid aperture is designed and fabricated.It consists of a driving cavity,an optical cavity and a storage chamber,a polydimethylsiloxane(PDMS)elastic film,an annular magnet and a d...
关键词：ANNULAR FILM FILLED 
Numerical simulation on gas–liquid multiphase flow behavior under coupling effects of annular gas curtain and swirling flow at tundish upper nozzle
《Journal of Iron and Steel Research International》2024年第11期2693-2709,共17页Xu-feng Qin Chang-gui Cheng Yang Li Wei-li Wu Hao Chen Chao-fa Zhao Yan Jin 
funded by the National Natural Science Foundation of China(Nos.51874215 and 52204351);the China Postdoctoral Science Foundation(2022M722487).
A three-dimensional mathematical model has been established for a novel metallurgy process coupling an annular gas curtain with swirling flow at tundish upper nozzle. The discrete phase model and volume of fluid model...
关键词：Annular gas curtain Swirling flow Tundish upper nozzle Multiphase flow Numerical simulation 
A comparison of static and rotordynamic characteristics for two types of liquid annular seals with and without helical grooved stator
《Chinese Journal of Aeronautics》2024年第11期94-106,共13页Wensong XUE Hailong QIU Tianhao WANG Zhigang LI Jun LI 
supported by the National Natural Science Foundation of China(Nos.52376029 and 52176042)。
Less leakage is a benefit of parallel grooved liquid seals(labyrinth seals).But researches show that the liquid seal with parallel grooves on the rotor harms the rotor stability.The seal with helical grooves on stator...
关键词：Liquid seal Leakage flow Rotor dynamics Drag power loss Flow induced vibration 
Seeing Is Believing:Directly Imaging Contractions of Artificial Molecular Muscles with Platinum Atom Markers
《CCS Chemistry》2024年第9期2162-2174,共13页Dan-Yang Zhang Yonghui Zheng Yefei Jiang Wei-Jian Li Xu-Qing Wang Lianrui Hu Wei Wang Hai-Bo Yang 
financial support by the National Natural Science Foundation of China(grant no.92056203);the Science and Technology Commission of Shanghai Municipality(grant no.21520710200);the National Key R&D Program of China(grant no.2021YFA1501600);the Innovation Program of Shanghai Municipal Education Commission(grant no.2019-01-07-00-05-E00012);W.W.acknowledges the financial support by the National Natural Science Foundation of China(grant no.22001073);the Natural Science Foundation of Shanghai(grant no.23ZR1419600);L.H.acknowledges the financial support by the National Nature Science Foundation of China(grant no.22103062);the Shanghai Pujiang Program(grant no.22PJ1402800);the Fundamental Research Funds for the Central Universities;X.-Q.W.acknowledges the financial support by the National Natural Science Foundation of China(grant no.22201077);W.-J.L.is grateful to the China Postdoctoral Science Foundation(grant nos.BX2021103 and 2021M700044)for financial support.
Artificial molecular muscles undergo well-controlled contractile and extensile motions upon external stimulation,leading to remarkable length changes.Evaluating such length changes at the molecular level is essential ...
关键词：mechanically interlocked molecules molecular[c2]daisy chain artificial molecular machines high-angle annular dark-field scanning transmission electron microscopy stimuli responsiveness 
A large language model-powered literature review for high-angle annular dark field imaging
《Chinese Physics B》2024年第9期76-81,共6页Wenhao Yuan Cheng Peng Qian He 
National Research Foundation(NRF)Singapore,under its NRF Fellowship(Grant No.NRFNRFF11-2019-0002).
High-angle annular dark field(HAADF)imaging in scanning transmission electron microscopy(STEM)has become an indispensable tool in materials science due to its ability to offer sub-°A resolution and provide chemical i...
关键词：large language models high-angle annular dark field imaging deep learning 
Predicting effects of tunnel throttling of annular freeway vehicular flow by a continuum model
《Journal of Traffic and Transportation Engineering(English Edition)》2024年第4期733-746,共14页Zhongmin Huang M.N.Smirnova N.N.Smirnov Zuojin Zhu 
supported by the project of National Natural Science Foundation of China“exploring the road condition effect of travel time using emergency mitigation traffic flow models”(grant 11972341);fundamental research project of Lomonosov Moscow State University“mathematical models for multi-phase media and wave processes in natural,technical and social systems”。
Fluid flow throttling is common in industrial and building services engineering.Similar tunnel throttling of vehicular flow is caused by the abrupt number reduction of roadway lane,as the tunnel has a lower lane numbe...
关键词：Effects of tunnel throttling Vehicle fuel consumption Travel time Threshold of traffic jam formation Continuum model 
“Branched”structural transformation of the L1_(2)-Al_(3)Zr phase manipulated by Cu substitution/segregation in the Al-Cu-Zr alloy system被引量：1
《Journal of Materials Science & Technology》2024年第18期186-206,共21页Lipeng Ding Mingqi Zhao Flemming J.H.Ehlers Zhihong Jia Zezhong Zhang Yaoyao Weng Dominique Schryvers Qing Liu Hosni Idrissi 
supported by the National Key Research and Development Program(No.2020YFA0405900);the National Natural Science Foundation of China(Grant No.52371111 and U2141215);the Natural Science Foundation of Jiangsu Province(No.BE2022159).
The effect of Cu on the evolution of the Al_(3)Zr phase in an Al-Cu-Zr cast alloy during solution treatment at 500℃has been thoroughly studied by combining atomic resolution high-angle annular dark-field scanning tra...
关键词：Aluminum alloys TRIALUMINIDES Anti-phase boundary High-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) First-principles calculations 
WeldNet:A voxel-based deep learning network for point cloud annular weld seam detection
《Science China(Technological Sciences)》2024年第4期1215-1225,共11页WANG Hui RONG YouMin XU JiaJun XIANG SongMing PENG YiFan HUANG Yu 
supported by the Key Research&Development Plan of China(Grant No.2022YFB3404800);the Key Research&Development Plan of Hubei Province(Grant No.2021BAA195);the National Natural Science Foundation of China(Grant No.52188102)。
Weld seam detection is an important part of automated welding.At present,few studies have been conducted on annular weld seams,and a lot of defects exist in the point cloud model of the tube sheet obtained by RGB-D ca...
关键词：deep learning point cloud weld seam detection WELDING annular weld seam 
Aerodynamic tunnel for tests of turbine annular cascades
《Advances in Aerodynamics》2024年第1期380-401,共22页Alexandr Lapuzin Valery Subotovich Yuriy Yudin Ivan Malymon 
Aerodynamic test rigs are necessary for experimental testing of turbomachines and investigation of possible ways to improve machine performance.Existing instal-lations give higher losses and do not work efficiently at...
关键词：Aerodynamic tunnel Turbine annular cascade Mach number Radial diffuser Swirled flow Axisymmetric vaneless area 
Dynamic Response of A Group of Cylindrical Storage Tanks with Baffles Considering the Effect of Soil Foundation
《China Ocean Engineering》2024年第1期129-143,共15页SUN Ying WANG Jia-dong HUO Rui-li ZHOU Ding GU Zhen-yuan QIAN Wang-ping 
financially supported by the National Natural Science Foundation of China(Grant Nos.51978336 and 11702117);the Science and Technology Plan Project of Department of Communications of Zhejiang Province(Grant No.2021051);Nantong City Social Livelihood Science and Technology Project(Grant No.MS22022067).
The sloshing in a group of rigid cylindrical tanks with baffles and on soil foundation under horizontal excitation is studied analytically.The solutions for the velocity potential are derived out by the liquid subdoma...
关键词：cylindrical tanks multiple annular baffles equivalent analytical model soil−structure interaction subdomain method dynamic response 
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