2017年7月
Observation of the thermal conductivity of warm dense tungsten plasma generated by a pulsed-power discharge using laser-induced fluorescence
PHYSICS OF PLASMAS
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- 巻
- 24
- 号
- 7
- 開始ページ
- 72703-1
- 終了ページ
- 72703-5
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1063/1.4990064
- 出版者・発行元
- AMER INST PHYSICS
To observe the transport properties of a sample of warm dense matter, we used laser-induced fluorescence to measure the thermal conductivity of tungsten plasma confined within a rigid, ruby capillary tube. We determined the density and temperature of the plasma generated by an isochoric heating device using a pulsed-power discharge. The density was determined by the initial diameter of the tungsten wire used, and the temperature was obtained by spectroscopic measurements. The temperature of the ruby capillary was obtained from its fluorescence intensity, which depends on the temperature of the outer wall. We found the thermal conductivity to be approximately 30 W/K m, thus demonstrating that the thermal conductivity of warm dense matter states can be directly evaluated using the proposed method. Published by AIP Publishing.
- リンク情報
- ID情報
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- DOI : 10.1063/1.4990064
- ISSN : 1070-664X
- eISSN : 1089-7674
- Web of Science ID : WOS:000406767900045