Numerical simulation of the power density distribution generated in a multimode cavity by using the method of lines technique to solve directly for the electric field

1996 ◽  
Vol 44 (12) ◽  
pp. 2185-2194 ◽  
Author(s):  
Huawei Zhao ◽  
I. Turner ◽  
Fa-Wang Liu
Keyword(s):  
Numerical Simulation ◽  
Electric Field ◽  
Density Distribution ◽  
Power Density ◽  
Method Of Lines ◽  
Power Density Distribution ◽  
The Method Of Lines

Numerical Simulation of Leakage Current on Conductive Insulator Surface

2019 ◽  
Vol 8 (4) ◽  
pp. 9487-9492
Keyword(s):  
Numerical Simulation ◽  
Electric Field ◽  
Leakage Current ◽  
Method Of Lines ◽  
Electron Attachment ◽  
Negative Ions ◽  
Conduction Current ◽  
Insulator Surface ◽  
Finite Difference Approximations ◽  
Positive Ions

The outdoor insulator is commonly exposed to environmental pollution. The presence of water like raindrops and dew on the contaminant surface can lead to surface degradation due to leakage current. However, the physical process of this phenomenon is not well understood. Hence, in this study we develop a mathematical model of leakage current on the outdoor insulator surface using the Nernst Planck theory which accounts for the charge transport between the electrodes (negative and positive electrode) and charge generation mechanism. Meanwhile the electric field obeys Poisson’s equation. Method of Lines technique is used to solve the model numerically in which it converts the PDE into a system of ODEs by Finite Difference Approximations. The numerical simulation compares reasonably well with the experimental conduction current. The findings from the simulation shows that the conduction current is affected by the electric field distribution and charge concentration. The rise of the conduction current is due to the distribution of positive ion while the dominancy of electron attachment with neutral molecule and recombination with positive ions has caused a significant reduction of electron and increment of negative ions.

Investigation of beam pointing stability, far-field divergence angle and power density distribution of a high-power CO2 laser

1996 ◽  
Author(s):  
Ruediger Maestle ◽  
Wilfried Plass ◽  
J. Chen ◽  
Christian Hembd-Soellner ◽  
Adolf Giesen ◽  
...  
Keyword(s):  
Density Distribution ◽  
Power Density ◽  
High Power ◽  
Divergence Angle ◽  
Far Field ◽  
Power Density Distribution

The influence of changes in the VVER-1000 fuel assembly shape during operation on the power density distribution

2016 ◽  
Vol 79 (8) ◽  
pp. 1298-1304
Author(s):  
L. K. Shishkov ◽  
S. S. Gorodkov ◽  
E. F. Mikailov ◽  
E. A. Sukhino-Homenko ◽  
A. S. Sumarokova
Keyword(s):  
Density Distribution ◽  
Fuel Assembly ◽  
Power Density ◽  
Power Density Distribution

Calculation of Shinethrough and its Power Density Distribution for EAST NBI

2013 ◽  
Vol 15 (5) ◽  
pp. 480-484 ◽  
Author(s):  
Xingquan Wu ◽  
Jiarong Luo ◽  
Bin Wu ◽  
Jinfang Wang ◽  
Chundong Hu
Keyword(s):  
Density Distribution ◽  
Power Density ◽  
Power Density Distribution
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