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Updated: Apr 26, 2026

Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident
Published on: December 14, 2017
Assessment in marine environment for a hypothetic nuclear accident based on the database of tidal harmonic constants
Byung-Il Min1, Raúl Periáñez2, Kihyun Park1
1Nuclear Environment Safety Research Division, Korea Atomic Energy Research Institute, Daedeok-Daero 989-111, Yuseong, Daejeon 305-600, Republic of Korea.
Abstract:
The eleven nuclear power plants in operation, under construction and a well-planned plant in the east coast of China generally use seawater for reactor cooling. In this study, an oceanic dispersion assessment system based on a database of tidal harmonic constants is developed. This system can calculate the tidal current without a large computational cost, and it is possible to calculate real-time predictions of pollutant dispersions in the ocean. Calculated amplitudes and phases have maximum errors of 10% and 20% with observations, respectively. A number of hypothetical simulations were performed according to varying of the release starting time and duration of pollutant for the six nuclear sites in China. The developed system requires a computational time of one hour for one month of real-time forecasting in Linux OS. Thus, it can use to evaluate rapidly the dispersion characteristics of the pollutants released into the sea from a nuclear accident.
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