Experimental determination of the thermal diffusivity of molten alkali halides by the forced Rayleigh scattering method. II. Molten NaBr, KBr, RbBr, and CsBr

N. Nakazawa, Y. Nagasaka, A. Nagashima

研究成果: Article査読

31 被引用数 (Scopus)

抄録

This is a companion to an earlier paper (on molten alkali metal chlorides) which gives experimental results for the thermal diffusivity of four molten alkali metal bromides: NaBr, KBr, RbBr, and CsBr. The measurements were performed with a forced Rayleigh scattering instrument at temperatures up to 1326 K. The overall uncertainty in the measured thermal diffusivity is estimated to be ±3 to ±11%, depending on the measured salts. The results converted to thermal conductivity show one of the smallest values among other earlier experimental data obtained mainly by the steady-state methods. It is also found that the temperature dependence of the thermal conductivity is weakly negative.

本文言語English
ページ(範囲)753-762
ページ数10
ジャーナルInternational Journal of Thermophysics
13
5
DOI
出版ステータスPublished - 1992 9月 1

ASJC Scopus subject areas

  • 凝縮系物理学

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