Simulation on Anode Electric Field Intensity about Electrochemical Jet Machining

2011 ◽  
Vol 418-420 ◽  
pp. 2046-2049
Author(s):  
Cheng Guang Zhang ◽  
Fei Hu Zhang ◽  
Yong Zhang
Keyword(s):  
Finite Element ◽  
Electric Field ◽  
Uniform Distribution ◽  
Field Intensity ◽  
Electric Field Intensity ◽  
Distribution Area ◽  
Ansys Software ◽  
Close Relationship ◽  
Jet Nozzle ◽  
Simulation Results

The theory of electrochemical jet machining was introduced, and effect of different parameters on anodic electric field intensity is finite element analyzed by ANSYS software. The Simulation results show that, the electric field shares the same distribution under different electrolysis voltage, which generally contains three parts, uniform distribution area, gradually weakened area, scattered area. In the uniform distribution area, electric field shows comparative uniformity. The anode electric field generated by different jet distance is also obvious distribution areas, the electric field intensity shows decreasing trend. Electric field intensity is found to have a close relationship with electro jet nozzle diameter, in which a faster jet velocity would bring more concentrated distribution of the electric field as well as a smaller size of electric field.

Research on Electric Field Simulation of Ring Capacitance Sensor Based on Finite Element Method

2021 ◽  
Vol 105 ◽  
pp. 221-227
Author(s):  
Hui Ling Wang ◽  
Chun Li Cai
Keyword(s):  
Dielectric Constant ◽  
Finite Element ◽  
Electric Field ◽  
Field Intensity ◽  
Electric Field Intensity ◽  
Element Model ◽  
Field Analysis ◽  
Optimal Structure ◽  
Capacitance Sensor ◽  
Finite Element Software

The working principle of ring capacitance sensor is introduced, that is capacitance fringe effect. Finite element model is established through the Hybrid-Trefftz algorithm. Electric field analysis and simulation calculation of different sensor model are done with the finite element software ANSYS, and the optimal structure combination is obtained. And followed the example of optimal structure, the relation of dielectric constant and electric field intensity were given. The result of simulation shows the most direct and the most important two parameters that affect the sensor performance in the design of the ring capacitance sensor are the two electrodes spacing and the length. The dielectric constant of measured medium is smaller, the intensity of electric field intensity is greater. The simulation for subsequent product design has a good theoretical guidance.

Boundary Element Numerical Method for Electric Field Intensity Generated by Ten-Needle Electrodes in Vacuum

2013 ◽  
Vol 634-638 ◽  
pp. 52-55
Author(s):  
An Ling Wang ◽  
Fu Ping Liu
Keyword(s):  
Boundary Element Method ◽  
Electric Field ◽  
Boundary Element ◽  
Uniform Distribution ◽  
Field Intensity ◽  
Current Density ◽  
Electric Field Intensity ◽  
Linear Equations ◽  
Discrete Equations ◽  
Linear Current

According to the electric field intensity of ten-needle electrodes (OTNE) in vacuum, the discrete equations based on the indetermination linear current density were established by the boundary element integral equations (BEIE). The non-uniform distribution of the current flowing from ten-needle electrodes to conductive in vacuum was imaged by solving a set of linear equations. Then, the electric field intensity generated by OTNE in vacuum at any point can be determined through the boundary element method (BEM). It means that this method has an important referenced significance for computing the electric field intensity generated by OTNE in vacuum

Simulation about Multi-Needle Electrospinning Based on Finite Element Method

2011 ◽  
Vol 332-334 ◽  
pp. 2157-2160 ◽  
Author(s):  
Ling Ling Guo ◽  
Yan Bo Liu ◽  
Yu Zheng
Keyword(s):  
Finite Element Method ◽  
Finite Element Analysis ◽  
Finite Element ◽  
Electric Field ◽  
Field Intensity ◽  
Electric Field Intensity ◽  
Element Analysis ◽  
The Finite Element Analysis ◽  
Needle Diameter ◽  
Design And Manufacture

In the current study, the finite element analysis was used to simulate the change in electric field intensity due to the change of needle diameter and length, receiving distance，voltage and the spacing between needles located in a row. The resulting conclusion could be used to guide the design and manufacture of electrospinning machines at industrial scale.

Calculation and Optimization of Cable Connector Electric Field Intensity in High Speed Rail Based on Finite Element

2014 ◽  
Vol 1070-1072 ◽  
pp. 1175-1178 ◽  
Author(s):  
Bu Chao Jia ◽  
Hong Yu Liu ◽  
Qing Bo Mu ◽  
Jian Qiao Ma
Keyword(s):  
Finite Element ◽  
Electric Field ◽  
Field Intensity ◽  
High Speed ◽  
Electric Field Intensity ◽  
Element Model ◽  
Air Gap ◽  
High Speed Rail ◽  
Effective Measure ◽  
Maximum Electric Field

When high speed rail run at high altitudes, over-voltage occurred in the process of operating makes the air gap of cable connector breakdown. It is necessary to clear the electric field intensity distribution and its numerical size of cable connector to make an optimization in order to curb this phenomenon. For this reason, 1:1 finite element model is established by the use of ANSYS software, and the simulation results show that the maximum value of the electric field intensity of cable connector can reach 644.05 kV/m. The maximum electric field is reduced with adding an insulating jacket to the head of cable connector. When the thickness of the insulating jacket is respectively 3 mm, 5 mm, 7 mm, 10 mm, the maximum electric field intensity percentage decreased is 10.26%, 11.4%, 16.1%, and 16.7%. So the insulating jacket would be an effective measure to inhibiting the breakdown of the air gap at the cable connector.

Optimization of Micro-Arc Oxidation Electrode Structure by Finite Element Analysis

2013 ◽  
Vol 683 ◽  
pp. 293-296
Author(s):  
Gui Wang ◽  
Jin Yong Xu ◽  
Yan Tang ◽  
Cheng Gao ◽  
Xiao Chao Shi
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Surface Morphology ◽  
Electric Field ◽  
Field Intensity ◽  
Electric Field Intensity ◽  
Ceramic Coatings ◽  
Element Analysis ◽  
Finite Element Software ◽  
Micro Arc Oxidation

In order to realize the application of finite element analysis in structural optimization of micro-arc oxidation electrode, effects of two kinds of electrode mode (one and two cathodes) on thickness and surface morphology of ceramic coatings prepared by micro-arc oxidation on aluminum alloy were researched by experiment. Meanwhile, Ansoft Maxwell finite element software was used to analysis the main influence factor (electric field intensity). We contrasted the analysis conclusion above with the forecast results in experiment. Effect of electric field intensity on thickness and surface morphology of ceramic coatings were explained from micro level, the correctness of the finite element analysis software was verified. The results show that three electrodes mode is better than two electrodes mode, the former can not only make the thickness of ceramic coatings thicker, but also make sure the size and quantity of discharge channel bigger and more, and growth power enough.

Modeling the Variation of Electric Field Pattern on Porcelain Insulators by the Deposition of Dust Particles Using Finite Element Method

2020 ◽  
Vol 12 (6) ◽  
pp. 840-843
Author(s):  
Asaad Shemshadi ◽  
Pourya Khorampour
Keyword(s):  
Finite Element Method ◽  
Adverse Effect ◽  
Finite Element ◽  
Electric Field ◽  
Field Intensity ◽  
Electric Field Intensity ◽  
Field Pattern ◽  
Dust Layer ◽  
Porcelain Insulators ◽  
Element Method

The purpose of this paper is to investigate the changes in the electric field intensity due to the presence of dust on the 63 kV porcelain insulators using finite element method (FEM). The investigating Insulators were drawn in three different models (without dust layer as a basic structure, with uniform dust layer and heterogeneous dust layer) using AutoCAD software and in continue are analyzed with utilization of COMSOL software. Finally the derived values are analyzed and discussed in details. It is shown that the dust layer has an adverse effect on the electric field pattern, and the higher the concentration and volume of dust placed on the surface of insulators, results to an adverse effect on the electric field intensity around the porcelain insulator.

High-speed isotachophoresis. Analytical aspects of the steady-state longitudinal temperature profiles

1979 ◽  
Vol 44 (3) ◽  
pp. 841-853 ◽  
Author(s):  
Zbyněk Ryšlavý ◽  
Petr Boček ◽  
Miroslav Deml ◽  
Jaroslav Janák
Keyword(s):  
Steady State ◽  
Temperature Distribution ◽  
Electric Field ◽  
Field Intensity ◽  
Electric Field Intensity ◽  
Minor Component ◽  
Physical Models ◽  
Temperature Profiles ◽  
Longitudinal Temperature ◽  
Continuous Character

The problem of the longitudinal temperature distribution was solved and the bearing of the temperature profiles on the qualitative characteristics of the zones and on the interpretation of the record of the separation obtained from a universal detector was considered. Two approximative physical models were applied to the solution: in the first model, the temperature dependences of the mobilities are taken into account, the continuous character of the electric field intensity at the boundary being neglected; in the other model, the continuous character of the electric field intensity is allowed for. From a comparison of the two models it follows that in practice, the variations of the mobilities with the temperature are the principal factor affecting the shape of the temperature profiles, the assumption of a discontinuous jump of the electric field intensity at the boundary being a good approximation to the reality. It was deduced theoretically and verified experimentally that the longitudinal profiles can appreciably affect the longitudinal variation of the effective mobilities in the zone, with an infavourable influence upon the qualitative interpretation of the record. Pronounced effects can appear during the analyses of the minor components, where in the corresponding short zone a temperature distribution occurs due to the influence of the temperatures of the neighbouring zones such that the temperature in the zone of interest in fact does not attain a constant value in axial direction. The minor component does not possess the steady-state mobility throughout the zone, which makes the identification of the zone rather difficult.

Sign in / Sign up

Export Citation Format

Share Document