Influence of fine particulate matter on the variation of surface morphologies of conductors subjected to positive DC voltages

Xingming Bian; Haibing Li; Xu Zhang; Xiang Cui; Tiebing Lu; Weili Song

doi:10.1063/1.5044389

Influence of fine particulate matter on the variation of surface morphologies of conductors subjected to positive DC voltages

Xingming Bian, Haibing Li, Xu Zhang, Xiang Cui, Tiebing Lu, Weili Song

Institute of Advanced Structure Technology

North China Electric Power University

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

A study on the effect of fine particulate matter on the surface morphologies of conductors subjected to high positive dc voltages has been undertaken. A global distribution pattern of particulate matter was observed in the shape of parallel chains consisting of particle agglomerations. Based on a coupling model of electric and force fields, the dynamic progress of particles near conductor surfaces was investigated and the effects of forces exerted on the particles were analyzed. The experimental observations agreed well with calculated results. It was found that the interactions between particles played a critical role in the formation of agglomerations and parallel chains. The surface roughness and the corona discharge intensity of the conductors increased significantly as a result of the variation of surface morphologies.

Original language	English
Article number	204102
Journal	Applied Physics Letters
Volume	113
Issue number	20
DOIs	https://doi.org/10.1063/1.5044389
Publication status	Published - 12 Nov 2018

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abstract = "A study on the effect of fine particulate matter on the surface morphologies of conductors subjected to high positive dc voltages has been undertaken. A global distribution pattern of particulate matter was observed in the shape of parallel chains consisting of particle agglomerations. Based on a coupling model of electric and force fields, the dynamic progress of particles near conductor surfaces was investigated and the effects of forces exerted on the particles were analyzed. The experimental observations agreed well with calculated results. It was found that the interactions between particles played a critical role in the formation of agglomerations and parallel chains. The surface roughness and the corona discharge intensity of the conductors increased significantly as a result of the variation of surface morphologies.",

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AU - Bian, Xingming

AU - Li, Haibing

AU - Zhang, Xu

AU - Cui, Xiang

AU - Lu, Tiebing

AU - Song, Weili

PY - 2018/11/12

Y1 - 2018/11/12

N2 - A study on the effect of fine particulate matter on the surface morphologies of conductors subjected to high positive dc voltages has been undertaken. A global distribution pattern of particulate matter was observed in the shape of parallel chains consisting of particle agglomerations. Based on a coupling model of electric and force fields, the dynamic progress of particles near conductor surfaces was investigated and the effects of forces exerted on the particles were analyzed. The experimental observations agreed well with calculated results. It was found that the interactions between particles played a critical role in the formation of agglomerations and parallel chains. The surface roughness and the corona discharge intensity of the conductors increased significantly as a result of the variation of surface morphologies.

AB - A study on the effect of fine particulate matter on the surface morphologies of conductors subjected to high positive dc voltages has been undertaken. A global distribution pattern of particulate matter was observed in the shape of parallel chains consisting of particle agglomerations. Based on a coupling model of electric and force fields, the dynamic progress of particles near conductor surfaces was investigated and the effects of forces exerted on the particles were analyzed. The experimental observations agreed well with calculated results. It was found that the interactions between particles played a critical role in the formation of agglomerations and parallel chains. The surface roughness and the corona discharge intensity of the conductors increased significantly as a result of the variation of surface morphologies.

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Influence of fine particulate matter on the variation of surface morphologies of conductors subjected to positive DC voltages

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