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A Semiempirical Evaluation of the Thermal Conductivity in Ablated Dense Tungsten Plasma

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7 Author(s)
Sasaki, T. ; Dept. of Electr. Eng., Nagaoka Univ. of Technol., Nagaoka, Japan ; Takahashi, T. ; Amano, Y. ; Miki, Y.
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For understanding the properties of ablated dense tungsten, we have proposed a semiempirical evaluation of thermal conductivity based on the Wiedemann-Franz law. The electrical conductivity of ablated dense tungsten has been evaluated by the exploding-wire discharges in water and the isochoric heating of wire in a vacuum. The results indicate that the thermal conductivity derived from the electrical conductivity ranges from 0.1 to 100 W·K-1m-1 depending on the density at a temperature of 5000 K.

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Plasma Science, IEEE Transactions on  (Volume:40 ,  Issue: 12 )