Observation and numerical calculation of space charge behavior in gamma-irradiated low density polyethylene

T. Takada, M. Kojima, Y. Tanaka, Y. Ohki

Research output: Contribution to conferencePaperpeer-review

1 Citation (Scopus)

Abstract

Radiation-induced space charges or surface charges may give rise to an unexpected surface discharge or breakdown when polymers are used for electrical insulation in space or at nuclear power plants. The charge generation and accumulation process can be known by examining the distribution of space charge inside the polymers irradiated by low-dose radioactive rays. Previously, the residual space charge distribution in γ-irradiated low density polyethylene (LDPF) was examined using the pulsed electroacoustic method (Kojima et al., 1994). In this work, the space charge behavior inside a γ-irradiated LDPE is analyzed by a computer simulation technique. The simulation is performed based on the hopping model. The simulation results are compared with the measurement results.

Original languageEnglish
Pages274-278
Number of pages5
Publication statusPublished - 1995 Dec 1
Externally publishedYes
EventProceedings of the 1995 IEEE 5th International Conference on Conduction and Breakdown in Solid Dielectrics - Leicester, Engl
Duration: 1995 Jul 101995 Jul 13

Other

OtherProceedings of the 1995 IEEE 5th International Conference on Conduction and Breakdown in Solid Dielectrics
CityLeicester, Engl
Period95/7/1095/7/13

ASJC Scopus subject areas

  • Engineering(all)

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