2023 Fall Meeting

Presentation information

Oral presentation

VII. Health Physics and Environmental Science » Health Physics and Environmental Science

[1J01-10] Dose Management

Wed. Sep 6, 2023 2:45 PM - 5:25 PM Room J (ES Bildg. 2F ES025)

Chair:Jun Hirouchi(JAEA)

3:45 PM - 4:00 PM

[1J05] Impact of a gas-to-particle conversion process on 131I atmospheric dispersion during the FDNPP accident

*Masanao Kadowaki1, Hiroaki Terada1 (1. JAEA)

Keywords:Iodine-131, Gas-to-particle conversion, Numerical simulation, Fukushima Dai-ichi Nuclear Power Plant accident, GEARN-FDM

We have worked on the refinement of the migration behavior model of radioactive iodine in the environment at the time of a nuclear accident. In this presentation, using the chemical transport model GEARN-FDM, which can consider the temporal change of the properties of iodine in the atmosphere, we report the impacts of the gas-particle conversion process on the distribution of iodine-131 in the environment during the 1F accident.

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