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STEADY: 作品数：493被引量：427H指数：8; 导出分析报告; 相关领域：理学更多>>; 相关作者：贺桂梅王丽娟姚素霞张萍岑理相更多>>; 相关机构：东南大学北京大学上海交通大学清华大学更多>>; 相关期刊：更多>>; 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>>

Development of radon detectors calibration system in Cameroon: 《Radiation Medicine and Protection》2024年第4期223-228,共6页Oumar Bobbo Modibo Gondji Dieu Souffit Koyang Francois Ndjana Nkoulou Ⅱ Joseph Emmanuel Eka Djatnika Nugraha Chutima Kranrod Saidou Shinji Tokonami; partly funded by the investment budget of the Ministry of Scientific Research and Innovation,Cameroon(BIP 2020,2021);the Technical Cooperation Fund of the International Atomic Energy Agency(CMR9009).; Objective:To develop a radon detectors calibration system at the Research Centre for Nuclear Science and Technology(CRSTN)of the Institute of Geological and Mining Research(IRGM)in Cameroon.Methods:A transparent box n...; 关键词：RADON Radon chamber CALIBRATION Steady airflow Hookups

Steady Natural Convection from a Vertical Hot Plate with Variable Radiation: 《Frontiers in Heat and Mass Transfer》2024年第1期305-315,共11页Dewi Puspitasari Diah Kusuma Pratiwi Pramadhony Amran Kaprawi Sahim; The natural convection from a vertical hot plate with radiation and constant flux is studied numerically to know the velocity and temperature distribution characteristics over a vertical hot plate.The governing equati...; 关键词：Boundary layer finite difference method heated vertical plate constant heat flux RADIATION

An Optimal Volume Growth Estimate for Noncollapsed Steady Gradient Ricci Solitons: 《Peking Mathematical Journal》2023年第2期353-364,共12页Richard H.Bamler Pak-Yeung Chan Zilu Ma Yongjia Zhang; R.H.Bamler was supported by NSF Grant DMS-1906500;Y.Zhang was supported by the starting-up grant of Shanghai Jiao Tong University.; In this paper,we prove a volume growth estimate for steady gradient Ricci solitons with bounded Nash entropy.We show that such a steady gradient Ricci soliton has volume growth rate no smaller than r^n+1\2.This result...; 关键词：Ricci flow Ricci soliton Singularity model

POSITIVE CLASSICAL SOLUTIONS OF DIRICHLET PROBLEM FOR THE STEADY RELATIVISTIC HEAT EQUATION: 《Acta Mathematica Scientia》2023年第5期2279-2290,共12页杨田洁袁光伟; supported by the National NaturalScience Foundation of China(11971069 and 12126307)。; In this paper,for a bounded C2 domain,we prove the existence and uniqueness of positive classical solutions to the Dirichlet problem for the steady relativistic heat equation with a class of restricted positive C2 bou...; 关键词：Dirichlet problem steady relativistic heat equation classical solution

On the steady Prandtl boundary layer expansions: 《Science China Mathematics》2023年第9期1993-2020,共28页Chen Gao Liqun Zhang; supported by National Natural Science Foundation of China (Grant Nos. 11471320 and 11631008)。; In this paper,we consider the zero-viscosity limit of the 2D steady Navier-Stokes equations in(0,L)×R+with no-slip boundary conditions.By estimating the stream-function of the remainder,we justify the validity of the...; 关键词：Navier-Stokes equations Prandtl boundary layer zero-viscosity limit stream-function estimates of theremainder

Conical Sonic-Supersonic Solutions for the 3-D Steady Full Euler Equations: 《Communications on Applied Mathematics and Computation》2023年第3期1053-1096,共44页Yanbo Hu Xingxing Li; the two referees for very helpful comments and suggestions to improve the quality of the paper.This work was partially supported by the Natural Science Foundation of Zhejiang province of China(LY21A010017);the National Natural Science Foundation of China(12071106,12171130).; This paper concerns the sonic-supersonic structures of the transonic crossflow generated by the steady supersonic flow past an infinite cone of arbitrary cross section.Under the conical assumption,the three-dimensiona...; 关键词：Three-dimensional(3-D)full Euler equations Conical flow Conical-sonic Characteristic decomposition Classical solution

A Hybrid WENO Scheme for Steady Euler Equations in Curved Geometries on Cartesian Grids: 《Communications in Computational Physics》2023年第5期1270-1331,共62页Yifei Wan Yinhua Xia; Research supported by NSFC grant No.12271498;National Key R&D Program of China No.2022YFA1005202/2022YFA1005200.; For steady Euler equations in complex boundary domains,high-order shockcapturing schemes usually suffer not only from the difficulty of steady-state convergence but also from the problem of dealing with physical bound...; 关键词：Euler equations steady-state convergence curved boundary Cartesian grids WENO extrapolation hybrid scheme

The Inviscid Limit for the Steady Incompressible Navier-Stokes Equations in the Three Dimension: 《Chinese Annals of Mathematics,Series B》2023年第2期209-234,共26页Yan YAN Weiping YAN; supported by the National Natural Science Foundation of China(Nos.11771359,12161006);the Guangxi Natural Science Foundation(No.2021JJG110002);the Special Foundation for Guangxi Ba Gui Scholars。; In this paper,the authors consider the zero-viscosity limit of the three dimensional incompressible steady Navier-Stokes equations in a half space R+×R^(2).The result shows that the solution of three dimensional inco...; 关键词：Navier-Stokes equations Euler equations Zero viscosity limit

On the stability of shear flows of Prandtl type for the steady Navier-Stokes equations: 《Science China Mathematics》2023年第4期679-722,共44页Qi Chen Di Wu Zhifei Zhang; supported by National Natural Science Foundation of China(Grant No.12101245);supported by National Natural Science Foundation of China(Grant No.12171010)。; In this paper, we study the stability of shear flows of Prandtl type as(U(y/√ν), 0) for the steady Navier-Stokes equations under a natural spectral assumption on the linearized NS operator. The key ingredient is to ...; 关键词：Navier-Stokes equations shear flow Prandtl expansion

Can lift be generated in a steady inviscid flow?被引量：1: 《Advances in Aerodynamics》2023年第1期108-125,共18页Tianshu Liu; This paper presents a critical evaluation of the physical aspects of lift generation to prove that no lift can be generated in a steady inviscid flow.Hence,the answer to the recurring question in the paper title is ne...; 关键词：LIFT Drag Airfoil Circulation Viscosity VORTICITY Vortex Lamb vector Vortex lift Boundary enstrophy flux D’Alembert’s paradox Kutta-Joukowski theorem Kutta condition Variational formulation

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