Journal of Radiation Protection and Research

The Korean Association for Radiation Protection (대한방사선방어학회)
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Analysis of the Work Time and the Collective Dose by Correcting the Learning-Forgetting Curve Model in Decommissioning of a Nuclear Facility

  • Received : 2022.04.14
  • Accepted : 2022.07.28
  • Published : 2023.03.31
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Abstract

Background: As the number of nuclear facilities nearing their pre-determined design life increases, demand is increasing for technology and infrastructure related to the decommissioning and decontamination (D&D) process. It is necessary to consider the nature of the dismantling environment constantly changing and the worker doing new tasks. A method was studied that can calculate the effect of learning and the change in work time on the work process, according to the learning-forgetting curve model (LFCM). Materials and Methods: The LFCM was analyzed, and input values and scenarios were analyzed for substitution into the D&D process of a nuclear facility. Results and Discussion: The effectiveness and efficiency of the training were analyzed. It was calculated that skilled workers can receive a 16.9% less collective radiation dose than workers with only basic training. Conclusion: Using these research methods and models, it was possible to calculate the change in the efficiency of workers performing new tasks in the D&D process and the corresponding reduction in the work time and collective dose.

Keywords

Acknowledgement

This work was supported by a research grant from the Korea Atomic Energy Research Institute (Grant No. 521230-23) and Nuclear Energy R&D Program through the National Research Foundation of Korea (NRF) funded by Ministry of Science and ICT (2019M2C9A1059067).

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