Needle-plane electrode system - QuickField simulation example
This electrode system is a classic example of the electric field concentration near the sharp tip of the needle.
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
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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
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