Thermal Conductivity Measurement with Silica-Coated Hot Wire for Li_4SiO_4 Pebble Bed

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概要

• 論文の詳細を見る

• The effective thermal conductivity of a Li4SiO4 pebble bed was measured by the hot wire method. The bare and silica-coated Nichrome heaters were used as the hot wires. At 975 K, effective thermal conductivity was not measured correctly by the bare hot wire. This is due to the fact that the electrical signal of a bare thermocouple is distorted due to the electrical conductivity of Li4SiO4. Using a silica-coated hot wire, effective thermal conductivity can be measured at temperatures ranging from room temperature to 975 K. The effect of the coating layer on the measured effective thermal conductivity was estimated to be small and corresponded to the experimental data. The hot wire method with silica coating can be applied to other ceramic breeder materials.

• 2009-06-01

著者

• AKIBA Masato

  Japan Atomic Energy Research Institute

• Akiba Masato

  Japan Atomic Energy Agency

• TANIGAWA Hisashi

  Japan Atomic Energy Agency

• TANAKA Yuichiro

  Interdisciplinary Graduate School of Engineering Sciences, Kyushu University

• ENOEDA Mikio

  Japan Atomic Energy Agency

• Enoeda Mikio

  Japan Atomic Energy Agency Fusion Res. And Dev. Directorate

• Tanaka Yuichiro

  Interdisciplinary Graduate School Of Engineering Sciences Kyushu University

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