Fractal dimensions analysis of branching streamers propagating in mineral oil

• Autorzy: Dang Viet-Hung , Beroual Abderrahmane , Rózga Paweł

Identyfikatory

DOI

10.24425/aee.2022.141677

• Języki publikacji: EN

Abstrakty

EN

This article deals with the analysis of the fractal dimension of streamers propagating in mineral oil, under lightning impulse voltage, using the box counting method; the method and technique of calculation are described therein. In the considered experimental conditions, the average velocities of recorded streamers are of 2.4 km/s and 1.8 km/s for positive and negative streamers, respectively; these velocities correspond to the 2^nd mode of streamers propagation. It is shown that the streamers present the fractal dimension D ; and the higher D is the bushier are the streamers (i.e. with high branch density). The positive streamers can have higher D than the negative ones, if they are bushier.

Słowa kluczowe

EN

fractal analysis; lightning impulse voltage; mineral oil; streamers

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2022
• Tom: Vol. 71, nr 3
• Strony: 659--669
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Dang Viet-Hung

• Electric Power University, Vietnam

• https://orcid.org/0000-0002-3400-1808

autor

Beroual Abderrahmane

• University of Lyon, Ecole Centrale de Lyon, France

• https://orcid.org/0000-0002-1489-0986

autor

Rózga Paweł

• Lodz University of Technology, Poland

• https://orcid.org/0000-0001-8838-072X

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).