Earticle

초록

영어

Background: The evaluation of skyshine distribution, release of airborne radioactive nuclides, and soil activation and groundwater migration were required for radiological assessment of the impact on the environment surrounding In-Flight (IF)-system facility of the RAON (Rare isotope Accelerator complex for ON-line experiment) accelerator complex. Materials and Methods: Monte Carlo simulation by MCNPX code was used for evaluation of skyshine and activation analysis for air and soil. The concentration model was applied in the estimation of the groundwater migration of radionuclides in soil. Results and Discussion: The skyshine dose rates at 1 km from the facility were evaluated as 1.62 × 10-3 μSv·hr-1. The annual releases of 3H and 14C were calculated as 9.62 × 10-5 mg and 1.19 × 10-1 mg, respectively. The concentrations of 3H and 22Na in drinking water were estimated as 1.22 × 10-1 Bq·cm-3 and 8.25 × 10-3 Bq·cm-3, respectively. Conclusion: Radiological assessment of environmental impact on the IF-facility of RAON was performed through evaluation of skyshine dose distribution, evaluation of annual emission of long-lived radionuclides in the air and estimation of soil activation and groundwater migration of radionuclides. As a result, much lower exposure than the limit value for the public, 1 mSv·yr-1, is expected during operation of the IF-facility.

목차

ABSTRACT
Introduction
Materials and Methods
1. Evaluation of Skyshine
2. Calculation of Induced Activities in Air
3. Soil Activation and Groundwater Migration of Radioactive Nuclides
Results and Discussion
1. Skyshine Dose
2. Annual Release of Airborne Radioactive Nuclides
3. Migration of 3H and 14C in Groundwater
Conclusion
Conflict of Interest
Acknowledgements
Author Contribution
References

키워드

저자

• Cheol-Woo Lee [ Environment & Disaster Assessment Research Division, Korea, Atomic Energy Research Institute, Daejeon, Korea ] Corresponding Author
• Won Tae Whang [ Environment & Disaster Assessment Research Division, Korea, Atomic Energy Research Institute, Daejeon, Korea ]
• Eun Han Kim [ Environment & Disaster Assessment Research Division, Korea, Atomic Energy Research Institute, Daejeon, Korea ]
• Moon Hee Han [ Environment & Disaster Assessment Research Division, Korea, Atomic Energy Research Institute, Daejeon, Korea ]
• Hae Sun Jeong [ Environment & Disaster Assessment Research Division, Korea, Atomic Energy Research Institute, Daejeon, Korea ]
• Sol Jeong [ Environment & Disaster Assessment Research Division, Korea, Atomic Energy Research Institute, Daejeon, Korea ]
• Sang-jin Lee [ Institute for Basic Science, Daejeon, Korea ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  방사선방어학회지 [Journal of Radiation Protection and Research]

• 간기

  계간

• pISSN

  2508-1888

• 수록기간

  1976~2026

• 등재여부

  KCI 등재,SCOPUS

• 십진분류

  KDC 559 DDC 629