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800 kV直流输电线路分裂导线表面(Calculation of Surface Electric Field along ±800 kV DC Transmission Lines with Bundled Conductors)
特高压直流输电 分裂导线 表面电场强度 模拟电荷法
2010/8/17
比较了马克特-门格尔法、模拟电荷法和逐步镜像法等3种计算导线表面场强方法的计算误差,应用模拟电荷法计算了±800 kV直流输电线路分裂导线表面电场强度。结果显示,特高压直流输电线路分裂导线表面电场强度受分裂数、导线截面、分裂间距、极间距的影响较明显,受导线高度的影响较小。
ENTROPY GENERATION ANALYSIS IN ERROR ESTIMATION OF AN APPROXIMATE SOLUTION: A CONSTANT SURFACE TEMPERATURE SEMI-INFINITE CONDUCTIVE PROBLEM
heat conduction semi-infinite constant surface temperature
2009/10/14
The integral solution of one-dimensional heat conduction in a semi-infinite wall with constant temperature at its surface has been reviewed and compared with the exact solution for three temperature p...
THE TRANSIENT RESPONSE FOR DIFFERENT TYPES OF ERODABLE SURFACE THERMOCOUPLES USING FINITE ELEMENT ANALYSIS
finite elements transient response different types erodable surface thermocouples
2009/10/14
The transient response of erodable surface thermocouples has been numerically assessed by using a two dimensional finite element analysis. Four types of base metal erodable surface thermocouples have ...
THE EFFECT OF SURFACE REGRESSION ON THE DOWNWARD FLAME SPREAD OVER A SOLID FUEL IN A QUIESCENT AMBIENT
flame spread polymethyl methacrylate surface regression
2009/10/14
The present work is addressed to the numerical study of the transient laminar opposed-flow flame spread over a solid fuel in a quiescent ambient. The transient governing equations - full Navier-Stokes...
FRICTION FACTORS AND INTERNAL FLOW LENGTH SCALES OF GAS-SOLID MAGNETICALLY STABILIZED BEDS IN AXIAL FIELDS - SCALING AND APPLICATIONS TO BED-TO-SURFACE HEAT TRANSFER
fluidization magnetic field stabilized bed friction factor
2009/10/13
Friction factors and internal flow length scales of gas-solid magnetically stabilized beds are discussed. Pressure drop and expansion data of beds stabilized by axial magnetic fields are used. The con...
NUMERICAL SIMULATION OF POROUS BURNERS AND HOLE PLATE SURFACE BURNERS
gas combustion numerical simulation porous medium burners
2009/10/13
In comparison to the free flame burners the porous medium burners, especially those with flame stabilization within the porous material, are characterized by a reduction of the combustion zone tempera...
Stagnation Point Flow towards a Stretching Surface through a Porous Medium with Heat Generation
Stagnation point flow Porous medium Fluid mechanics Heat transfer Finite differences
2009/10/9
An analysis is made of the steady laminar flow in a porous medium of an incompressible viscous fluid impinging on a permeable stretching surface with heat generation. A numerical solution for the gove...
Unsteady Natural Convection Heat Transfer of Micropolar Fluid over a Vertical Surface with Constant Heat Flux
Micropolar fluid Transient Natural convection
2009/10/9
This paper presents a numerical investigation of the natural heat transfer problem of a micropolar boundary layer flow near a vertical surface with constant heat flux. The governing equations are s...
期刊信息
篇名
Surface thermal shock fracture of a semi-infinite piezoelectric medium (poling axis parallel to the crack plane)
语种
英文
撰写或编译
作者
B.L. Wang
第一作者单位
刊物名称
Mechanics of Materials
页面
34 (2002) 135-14...
期刊信息
篇名
Phase Evolution, Texture Behavior and Surface Chemistry of Hydrothermally Derived Scandium (Hydrous) Oxide Nanostructures
语种
英文
撰写或编译
撰写
作者
Ya-Wen Zhang,Jian-Hua-Liu,Rui Si,Zheng-Guang Yan,and...
Optimization of the Synthesis Procedure of LiMn2O4 Electrodes for Efficient Rechargeable Lithium Cells: Influence of the Crystallite Size and Surface Defects on the Electrochemical Performances of 3 V Li1+xMn2O4 and 4V Li1-xMn2O4 Electrodes
Electrochemical model Li batteries nanocrystalline materials
2010/12/10
Various LiMn2O4 electrode materials, having different crystallite sizes ranging from ∼50Å to ∼500Å, have been investigated either in 3V or in 4V Li batteries. In agreement with...