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溶融SUS316-10mass%B$$_{4}$$Cの密度および表面張力測定

Density and surface tension measurements of liquid SUS316 - 10mass%B$$_{4}$$C

東 英生*; 福山 博之*; 山野 秀将  

Higashi, Hideo*; Fukuyama, Hiroyuki*; Yamano, Hidemasa

シビアアクシデント時では事故初期に制御棒が崩落するため、その崩落進展のメカニズムをシミュレートするためには溶融した制御棒材及びその被覆材料の熱物性値が必要となってくる。本研究では、電磁浮遊装置を用いて、制御材の被覆材料であるステンレス鋼(SUS316)に制御棒材であるB$$_{4}$$Cが10mass%混合した融体の密度および表面張力の測定を試みた。

Thermophysical properties of control rod and cladding materials are necessary to simulate the mechanism of degradation which may occur at the early stage of severe accident. In this study, density and surface tension of melt which was a mixture of SUS316 as the cladding material and 10 mass-% B$$_{4}$$C as as the control rod material were measured using an electromagnetic levitation facility.

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