Simulation of Electrooptical Measurements of Prebreakdown Electric Fields in Water - Part I: Electric Field Near Anode Streamer
Yassinskiy V.B. Kuznetsova Y.A. Korobeynikov S.M. Vagin D.V.
1 May 2022Institute of Electrical and Electronics Engineers Inc.
IEEE Transactions on Plasma Science
2022#50Issue 51262 - 1268 pp.
The analysis of the results of electrooptical measurements using the Kerr effect at the prebreakdown stage of an electric discharge in water made it possible to estimate the intensity of the inception field of the anode streamer. The electric field strength and phase difference distribution were constructed using computer simulation in the point-to-plane system near the anode tip. The conditions of an actual experiment are simulated. It turned out that taking into account the nonlinearity of the relative permittivity and saturation of polarization leads to a sharp increase in the field strength in a narrow region near the needle tip and compression of both the strong field region and compression of Kerr fringes. Taking these factors into account made it possible to explain the unusual shape of the chronogram and to estimate the field strength of the appearance of the anode streamer as E 40-50 MV/cm.
Anode streamer , dipole saturation , electric field determination , Kerr effect , mathematical simulations , prebreakdown process , water
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Karaganda State Technical University, Karagandy, 100000, Kazakhstan
Novosibirsk State Technical University, Novosibirsk, 630087, Russian Federation
Karaganda State Technical University
Novosibirsk State Technical University
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