BWR lower plenum damage by reaction between metallic debris and structural materials

Sato, Takumi ; Shimomura, Kenta ; Nagae, Yuji

During the severe accident at the Fukushima Daiichi Nuclear Power Station, a molten metal pool formed by an analytical approach might contribute to the initial failure of the lower plenum. To understand this failure behavior, high-temperature reaction tests were conducted using simulated metal debris and a test bundle that simulated the structure of the control rod drive mechanism in the lower plenum.

Language	:	English
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Meeting title	:	7th International Forum on the Decommissioning of the Fukushima Daiichi Nuclear Power Station
Held date	:	2023/08
Location (city)	:	Iwaki
Location (country)	:	Japan
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Keywords	:	Fukushima Daiichi Nuclear Power Station Accident; 福島第一原子力発電所事故; 下部プレナム破損; 共晶反応; 沸騰水型軽水炉
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Registration No. : BB20230535
JAEA Abstracts No. :
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