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Needle-plane electrodes
Needle-plane electrode system
This electrode system is a classical example of the electric field concentration near the sharp tip of the needle.
Problem Type:
Axisymmetric problem of electrostatics.
Geometry:
All dimensions in mm.
Given:
Relative permittivity of air ε = 1;
Needle potential U = 1 kV
Plate potential 0 V
Problem:
Determine the electric field distribution
Results:
Electric potential distribution
Electric field strength distribution near the needle tip.
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