AXISYMMETRIC

作品数:236被引量:265H指数:7
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相关领域:理学更多>>
相关作者:贾德财周光明王鑫伟张枚李明义更多>>
相关机构:国家天文台南京航空航天大学山东大学(威海)中国工程物理研究院更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>
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ON ALMOST AXISYMMETRIC INCOMPRESSIBLE MAGNETOHYDRODYNAMICS IN THREE DIMENSIONS
《Acta Mathematica Scientia》2025年第2期446-472,共27页Qunyi BIE Hao CHEN 
supported by the National Natural Science Foundation of China(11871305).
In this paper,we study the Cauchy problem of three-dimensional incompressible magnetohydrodynamics with almost symmetrical initial values in the cylindrical coordinates.Here the almost axisymmetric means that(■θu_(0...
关键词:MAGNETOHYDRODYNAMICS almost symmetrical cylindrical coordinates 
Prediction of Hypersonic Aerodynamic Performance of Spherically Blunted Cone Based on Multi-Fidelity Neural Network
《Journal of Intelligent Learning Systems and Applications》2025年第1期25-35,共11页Jimin Chen Guoyi He 
The rapid prediction of aerodynamic performance is critical in the conceptual and preliminary design of hypersonic vehicles. This study focused on axisymmetric body configurations commonly used in such vehicles and pr...
关键词:Multi-Fidelity Neural Network Data-Driven Spherically Blunted Cone Axisymmetric Rotating Body Aerothermal Modeling and Prediction 
The well-posedness of incompressible impinging jet flow in an axisymmetric finitely long nozzle
《四川大学学报(自然科学版)》2025年第1期31-37,共7页WANG Xin ZHANG Fan 
四川省青年科技创新研究团队项目(2021JDTD0024);山西省基础研究计划项目(202303021222116)。
This paper mainly studies the well-posedness of steady incompressible impinging jet flow problem through a 3D axisymmetric finitely long nozzle.This problem originates from the physical phenomena encountered in practi...
关键词:Existence and uniqueness Impinging jet flow Incompressible flow Free boundary Axisym-metric finitely long nozzle 
A numerical simulation strategy for a compressor’s underlying axisymmetric characteristic and its application in body force model
《Chinese Journal of Aeronautics》2024年第8期79-90,共12页Shijie LIU Tianyu PAN Qiushi LI 
the National Natural Science Foundation of China(Nos.52322603 and 51976005);the Science Center for Gas Turbine Project,China(Nos.P2022-B-II-004-001 and P2023-B-II-001-001);the Fundamental Research Funds for the Central Universities,and Beijing Nova Program,China(Nos.20220484074 and 20230484479).
Accurate prediction of the aerodynamic response of a compressor under inlet distortion is crucial for next-generation civil aircraft,such as Boundary Layer Ingestion(BLI)silent aircraft.Therefore,research on the Body ...
关键词:Compressor partial instability Performance at low mass flow rates Underlying axisymmetric pressure rise characteristic Novel simulation strategy Body force model 
An Improved Coupled Level Set and Continuous Moment-of-Fluid Method for Simulating Multiphase Flows with Phase Change
《Communications on Applied Mathematics and Computation》2024年第2期1034-1069,共36页Zhouteng Ye Cody Estebe Yang Liu Mehdi Vahab Zeyu Huang Mark Sussman Alireza Moradikazerouni Kourosh Shoele Yongsheng Lian Mitsuhiro Ohta M.Yousuff Hussaini 
supported by the National Aeronautics and Space Administration under grant number 80NSSC20K0352.
An improved algorithm for computing multiphase flows is presented in which the multimaterial Moment-of-Fluid(MOF)algorithm for multiphase flows,initially described by Li et al.(2015),is enhanced addressing existing MO...
关键词:Moment-of-Fluid(MOF) Surface tension Two phase flow Phase change Deforming boundaries with change(s)in topology Two-dimensional(2D) Three-dimensional(3D)axisymmetric 3D 
Oscillatory Dynamics of a Spherical Solid in a Liquid in an Axisymmetric Variable Cross Section Channel
《Fluid Dynamics & Materials Processing》2024年第6期1219-1232,共14页Ivan Karpunin 
the Russian Science Foundation(Grant No.23-71-01103).
The dynamics of a solid spherical body in an oscillating liquid flow in a vertical axisymmetric channel of variable cross section is experimentally studied.It is shown that the oscillating liquid leads to the generati...
关键词:Phase inclusion axisymmetric channel variable cross section oscillations dimensionless frequency averaged force viscous boundary layer 
An axisymmetric characteristic model for enhancing prediction of centrifugal compressor characteristics
《Chinese Journal of Aeronautics》2024年第4期203-215,共13页Peng REN Xiangjun FANG Zeyu JIAO Ying HAN 
supported by the Guangdong Basic and Applied Basic Research Foundation,China(No. 2022A1515110007);the Natural Science Foundation of Guangdong Province, China (No. 2023A1515012869);the GDAS’ Project of Science and Technology Development, China (No. 2021GDASYL-20210103090)。
Rapid and accurate determination of compressor characteristic maps is essential for the initial design of centrifugal compressors in aircraft power systems. The accuracy of existing methodologies, which rely on combin...
关键词:Centrifugal compressor Positive problem Characteristic prediction Aerodynamic characteristic Axisymmetric model 
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 
CONVEXITY OF THE FREE BOUNDARY FOR AN AXISYMMETRIC INCOMPRESSIBLE IMPINGING JET
《Acta Mathematica Scientia》2024年第1期234-246,共13页王晓慧 
supported in part by the National Natural Science Foundation of China(12101088);the Natural Science Foundation of Sichuan Province(2022NSFSC1858)。
This paper is devoted to the study of the shape of the free boundary for a threedimensional axisymmetric incompressible impinging jet.To be more precise,we will show that the free boundary is convex to the fluid,provi...
关键词:Euler system axisymmetric impinging jet INCOMPRESSIBLE free boundary CONVEXITY 
Study of Axisymmetric Infinite Guide Lined with Locally Reacting Material without Flow Using DtN Operators
《Open Journal of Applied Sciences》2024年第2期572-588,共17页Boureima Ouedraogo Emmanuel Redon 
The present work proposed a new method for the modeling by the finite element method of the acoustic propagation problems in infinite axisymmetric cylindrical guides lined with locally reacting absorbent materials wit...
关键词:DtN Operator Axisymmetric Cylindrical Guides Finite Element Method Modes 
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