Development of a dose rate prediction method for various sampled fuel debris

Okumura, Keisuke ; Terashima, Kenichi

The dose rate of fuel debris retrieved from the Fukushima Daiichi Nuclear Power Plant is necessary for radiation shielding, exposure management of workers and so on. However, it depends on many parameters of fuel debris such as size, radiation source nuclides, elemental composition, density, porosity, burnup, and evaluation time. Therefore, we have developed a dose rate prediction formula applicable to various fuel debris by combining theoretical models and a large amount of photon transport calculations with PHITS code.

Language	:	Japanese
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Meeting title	:	日本原子力学会2019年秋の大会
Held date	:	2019/09
Location (city)	:	富山
Location (country)	:	日本
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Keywords	:	燃料デブリ; 福島第一原子力発電所; 線量率予測; 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
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Cooperating Institute	:	国際廃炉研究開発機構(平成28年度補正廃炉・汚染水対策事業費補助金)

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Registration No. : BB20190414
JAEA Abstracts No. :
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