몬테카를로 시뮬레이션을 통한 복합재의 방사선 차폐능 고찰

차주희; 전한용; Ju-Hee Cha; Han-Yong Jeon

Polymer(Korea), Vol.43, No.5, 798-806, September, 2019

DOI10.7317/pk.2019.43.5.798 Export Citation

몬테카를로 시뮬레이션을 통한 복합재의 방사선 차폐능 고찰

A Study on Radiation Shielding Ability of Composite Materials Using Monte Carlo Simulation

차주희, 전한용^{1, †}

인하대학교 대학원 화학공학과
¹인하대학교 화학공학과

Ju-Hee Cha, and Han-Yong Jeon^{1, †}

Department of Chemical Engineering, Inha University Graduate School, 22212, Korea
¹Department of Chemical Engineering, Inha University, 22212, Korea

E-mail:

초록

본 연구에서는 MCNP(Monte Carlo n-patricle transport code) 시뮬레이션을 통해 다양한 재료 및 조건에 대한 차폐율을 계산해보고 이를 이용해 모든 재료에 적용해 차폐능을 계산할 수 있는 차폐 식을 도출하고자 하였다. 복합재의 구조를 생각하지 않은 선형감쇠계수항은 잘 알려진 식으로 쉽게 구할 수 있었으며 보다 실제와 비슷하게 계산하기 위해 시뮬레이션을 이용하였다. 시뮬레이션을 통해 계산된 선형감쇠계수는 감마선의 에너지 크기에 상관없이 모든 재료에서 같은 경향을 보였다. 이 경향으로 복합재의 선형감쇠계수를 계산할 수 있는 식을 도출해낼 수 있었다. 도출해낸 식으로 계산된 값은 두 재료로 이루어진 복합재가 가질 수 있는 선형감쇠계수의 최댓값으로 생각된다.

In this study, Monte Carlo n-patricle transport code (MCNP) simulation was used to derive equations that can be applied to all materials to calculate radiation shielding ability. The linear attenuation coefficient term, which ignores the interface in the composite material, was easily obtained by a well-known equation and was used in the simulation for more accurate calculation. The linear attenuation coefficients calculated by simulation show the same tendency in all materials regardless of g-ray energy. The value calculated by this tendency is considered to be the maximum value of the linear attenuation coefficient of composite material made of two materials.

Keywords:radiation shielding;radiation attenuaion;Monte Carlo n-patricle transport code;linear attenuation coefficient;composite

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[1] “WORLD ENERGY ISSUE Insight 18-2”, Korea Energy Economics Institute, 12, 23 (2018).

[2] Jo HG, Survey on the status of nuclear industries in 2017, Korea Atomic Industrial Forum, 2019.

[3] Min JY, Lee BN, Lee JS, Lee JH, J. Korea Concr. Inst., 28, 197 (2016)

[4] Bae M, Lee H, J. Korean Soc. Qual. Manag., 43, 239 (2015)

[5] Akkurt I, Akyildirim H, Mavi B, Kilincarslan S, Basyigit C, Radiat. Meas., 45, 827 (2010)

[6] La-Sarray E, Akkurt I, Gunoglu K, Evcin A, Bezir NC, Acta Phys. Pol. A, 132, 490 (2017)

[7] Li R, Gu Y, Zhang G, Yang Z, Li M, Zhang Z, Compos. Sci. Technol., 143, 67 (2017)

[8] Pelowitz DB, Editor, MCNP6 User’s manual version 1.0, LACP-13-00634, p. 1-5 (2013).

[9] Hassan HE, Badran HM, Aydarous A, Sharshar T, Nucl. Industr. Meth. Phys. Res. B, 360, 81 (2015)

[10] Tekin HO, Sayyed MI, Altunsoy EE, Manici T, Dig. J. Nanomater. Biostruct., 12, 861 (2017)

[11] Chang L, Zhang Y, Liu Y, Fang J, Luan W, Yang X, Zhang W, Nucl. Industr. Meth. Phys. Res. B, 356, 88 (2015)

[12] McAlister DR, Gamma ray attenuation properties of common shielding materials, University Lane Lisle, USA, 2012.