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Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 9; Viscosity measurement of 10mass%B$$_{4}$$C-SS eutectic molten material

Nishi, Tsuyoshi*; Ota, Hiromichi*; Yamano, Hidemasa

no journal, , 

It is necessary to obtain viscosity data of eutectic molten material of boron carbide (B$$_{4}$$C) and stainless steel (SS) for severe accident analyses. In this study, continuing from viscosity measurement of 5mass%B$$_{4}$$C-SS eutectic melt which was reported in JFY 2017, viscosity measurement of 10mass%B$$_{4}$$C-SS eutectic melt and its data verification have been conducted. This paper reports their results.

Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 14; Emissivity, heat capacity and thermal conductivity of 7mass% B$$_{4}$$C-SS eutectic molten material

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

no journal, , 

The purpose of this study is to develop the thermophysical property model needed to simulate the behavior of the eutectic compound of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel (SS)) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes the emissivity, thermal capacity, and thermal conductivity of the molten material of 7mass% B$$_{4}$$C-SS measured with High-Temperature Thermophysical Property Measurement System (PROSPECT) employing noncontact laser modulation calorimetry.

Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 13; Density and surface tension of 7mass% B$$_{4}$$C-SS eutectic molten materials

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

no journal, , 

The purpose of this study is to develop the thermophysical property model needed to simulate the behavior of the eutectic compound of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel: SUS316L (SS)) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes the density and surface tension of the molten compound of 7mass% B$$_{4}$$C-SS systematically measured with the High-Temperature Thermophysical Property Measurement System (PROSPECT).

Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 21; Density and surface tension of 2.5mass% B$$_{4}$$C-SS eutectic molten materials

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

no journal, , 

The purpose of this study is to develop the thermophysical property model needed to simulate the behavior of the eutectic compound of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel: SUS316L (SS)) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes the density and surface tension of the molten compound of 2.5mass% B$$_{4}$$C-SS systematically measured with the High-Temperature Thermophysical Property Measurement System (PROSPECT).

Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 22; Emissivity, heat capacity and thermal conductivity of 2.5mass% B$$_{4}$$C-SS eutectic molten material

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

no journal, , 

The purpose of this study is to develop the thermophysical property model needed to simulate the behavior of the eutectic compound of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel: SS) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes the emissivity, thermal capacity, and thermal conductivity of the molten material of 2.5mass% B$$_{4}$$C-SS measured with High-Temperature Thermophysical Property Measurement System (PROSPECT) employing noncontact laser modulation calorimetry.

Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 26; Density and surface tension of 15mass% B$$_{4}$$C-SS eutectic molten materials

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

no journal, , 

The purpose of this study is to develop the thermophysical property model needed to simulate the behavior of the eutectic compound of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel: SUS316L (SS)) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes the liquidus temperature, density and surface tension of the molten compound of 15mass% B$$_{4}$$C-SS systematically measured with the High-Temperature Thermophysical Property Measurement System (PROSPECT).

Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 27; Normal spectral Emissivity, heat capacity and thermal conductivity of 15mass% B$$_{4}$$C-SS eutectic molten material

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

no journal, , 

The purpose of this study is to develop the thermophysical property model needed to simulate the behavior of the eutectic compound of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel: SS) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes the emissivity, thermal capacity, and thermal conductivity of the molten material of 15mass% B$$_{4}$$C-SS measured with High-Temperature Thermophysical Property Measurement System (PROSPECT) employing noncontact laser modulation calorimetry.

Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 31; Study of solidification pathway of SUS316L containing 9-11mass% B$$_{4}$$C by in-situ observation and quench method with electromagnetic levitation

Fukuyama, Hiroyuki*; Higashi, Hideo*; Otsuka, Makoto*; Adachi, Masayoshi*; Yamano, Hidemasa

no journal, , 

The purpose of this study is to investigate the eutectic reaction mechanism of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel: SUS316L (SS)) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes a solidification pathway of SUS316L containing 9-11mass% B$$_{4}$$C by in-situ observation and quench method with electromagnetic levitation.

Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 30; Melting behavior analysis of SUS316L containing 9-11mass% B$$_{4}$$C using ultrahigh-temperature thermal analysis based on blackbody radiation

Higashi, Hideo*; Fukuyama, Hiroyuki*; Otsuka, Makoto*; Adachi, Masayoshi*; Yamano, Hidemasa

no journal, , 

The purpose of this study is to investigate the eutectic reaction mechanism of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel: SUS316L (SS)) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes a melting behavior analysis of SUS316L containing 9-11mass% B$$_{4}$$C using ultrahigh-temperature thermal analysis based on blackbody radiation.

Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 34; Melting behavior analysis of SUS316L containing 14, 17mass% B$$_{4}$$C using ultrahigh-temperature thermal analysis based on blackbody radiation

Higashi, Hideo*; Fukuyama, Hiroyuki*; Otsuka, Makoto*; Adachi, Masayoshi*; Yamano, Hidemasa

no journal, , 

The purpose of this study is to investigate the eutectic reaction mechanism of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel: SUS316L (SS)) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes a melting behavior analysis of SUS316L containing 14, 17mass% B$$_{4}$$C using ultrahigh-temperature thermal analysis based on blackbody radiation.

Oral presentation

Study on eutectic melting behavior of control rod materials in core disruptive accidents of sodium-cooled fast reactors, 35; Study of solidification pathway of SUS316L containing 14, 17mass% B$$_{4}$$C by in-situ observation and quench method with electromagnetic levitation

Fukuyama, Hiroyuki*; Higashi, Hideo*; Otsuka, Makoto*; Adachi, Masayoshi*; Yamano, Hidemasa

no journal, , 

The purpose of this study is to investigate the eutectic reaction mechanism of the control rod material (boron carbide (B$$_{4}$$C)) and the structural material of a reactor vessel (stainless steel: SUS316L (SS)) during a core disruptive accident in a sodium-cooled fast reactor. This paper describes a solidification pathway of SUS316L containing 14, 17mass% B$$_{4}$$C by in-situ observation and quench method with electromagnetic levitation.

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