전선 케이블의 전자선 조사에서 몬테칼로 코드를 이용한 선량 계산
Dose Measurement with Monte Carlo Codes in Irradiation of Electrical Cables by Electron Beam
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초록
The reason for crosslinking the insulation polymer in wire and cable by radiation isto improve their performance at elevated temperature, the chemical resistance, toughness, andabrasion resistance to slow crack growth. Radiation process quality depends not only on the doselevel but also on homogeneity of the dose distribution in especially circular objects like cableswhich have different density in core and insulation part, respectively. It is important to optimizecrosslinking processes to reduce the operation cost while sustaining adequate quality of the finalproduct. The computer simulation method becomes a very effective tool for optimization processproviding necessary information in short time and reducing cost in comparison with conventionalapproach based on experimental dosimetry. The availability of several Monte Carlo codes forelectron and photon transport and the advances in the performances of computing systems,make possible to tackle quantitative dosimetry tasks by numerical simulation. With increasedcomputing speed and decreasing hardware cost, it is expected that Monte Carlo based electrondose calculation algorithms will soon become available for routine electron beam dosimetry. Thecomputer simulation of the dose distributions in electric cables was performed for various processparameters, namely level of electron beam energy, irradiation positions, and density of insulatorof cable.
Abstract
The reason for crosslinking the insulation polymer in wire and cable by radiation isto improve their performance at elevated temperature, the chemical resistance, toughness, andabrasion resistance to slow crack growth. Radiation process quality depends not only on the doselevel but also on homogeneity of the dose distribution in especially circular objects like cableswhich have different density in core and insulation part, respectively. It is important to optimizecrosslinking processes to reduce the operation cost while sustaining adequate quality of the finalproduct. The computer simulation method becomes a very effective tool for optimization processproviding necessary information in short time and reducing cost in comparison with conventionalapproach based on experimental dosimetry. The availability of several Monte Carlo codes forelectron and photon transport and the advances in the performances of computing systems,make possible to tackle quantitative dosimetry tasks by numerical simulation. With increasedcomputing speed and decreasing hardware cost, it is expected that Monte Carlo based electrondose calculation algorithms will soon become available for routine electron beam dosimetry. Thecomputer simulation of the dose distributions in electric cables was performed for various processparameters, namely level of electron beam energy, irradiation positions, and density of insulatorof cable.
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