Needle-plane electrode system - QuickField simulation example
Electric field distribution and peak stress in a needle-to-plane electrode system, illustrating strong field concentration near the sharp needle tip.
How to find needle plane electrode field concentration?
Answer Typical applications Geometry
Given Task Results Electric field strength distribution near the needle tip.
Engineering question
Set up an axisymmetric QuickField Electrostatics problem for a needle-plane electrode system and evaluate field concentration from computed field results.
needle-plane electrodes, high-voltage test electrodes, dielectric breakdown test setups
Download
Simulation problem
Problem Type
Axisymmetric problem of electrostatics.
Relative permittivity of air ε = 1;
Needle potential U = 1 kV
Plate potential 0 V
Determine the electric field distribution
Electric potential distribution
Related examples