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  • 1
    Electronic Resource
    Electronic Resource
    Corresponding states correlation for the thermal conductivity of molten alkali halides (1993)
    Springer
    International journal of thermophysics 14 (1993), S. 923-936 
    Details
    ISSN: 1572-9567
    Keywords: alkali halides ; correlation ; corresponding states ; molten salts ; thermal conductivity ; thermal diffusivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The principle of corresponding states has been applied to the thermal-conductivity data for molten alkali halides which have been obtained by recent forced Rayleigh scattering measurements. The theory, which was developed by Harada et al. for the transport properties of uni-univalent molten salts, is based on the fluctuation-dissipation theorem with the pair interaction between ions composed of core repulsive and Coulombic potentials. Four characteristic parameters specific to each salt have been used to reduce the thermal conductivity and temperature. It has been found that the thermal conductivity of molten alkali halides is adequately correlated by the corresponding-states correlation (λ * ∝ 1/T *) within experimental accuracy. By employing the correlation, the thermal conductivity of molten alkali fluorides, which could not be measured by the forced Rayleigh scattering method, is predicted.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00502115
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  • 2
    Electronic Resource
    Electronic Resource
    Experimental determination of the thermal diffusivity of molten alkali halides by the forced Rayleigh scattering method. III. molten NaI, KI, RbI, and CsI (1992)
    Springer
    International journal of thermophysics 13 (1992), S. 763-772 
    Details
    ISSN: 1572-9567
    Keywords: alkali halides ; forced Rayleigh scattering method ; molten salts ; thermal conductivity ; thermal diffusivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This paper is an addendum to two previous papers which contained data on the thermal diffusivity of molten alkali metal chlorides and bromides. The present salts are alkali metal iodides: NaI, KI, RbI, and CsI. The measurements were performed utilizing the forced Rayleigh scattering method at temperatures up to 1234 K. The accuracy of the reported data is estimated to be ±5 to ±10%. It is again found that our data show one of the smallest values and weakly negative temperature dependencies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00503905
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  • 3
    Electronic Resource
    Electronic Resource
    Experimental determination of the thermal diffusivity of molten alkali halides by the forced Rayleigh scattering method. I. Molten LiCl, NaCl, KCl, RbCl, and CsCl (1992)
    Springer
    International journal of thermophysics 13 (1992), S. 555-574 
    Details
    ISSN: 1572-9567
    Keywords: alkali halides ; forced Rayleigh scattering method ; molten salts ; thermal conductivity ; thermal diffusivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract As a series of experimental determinations of the thermal diffusivity of molten alkali halides, this paper describes measurements on five molten alkali metal chlorides (LiCl, NaCl, KCl, RbCl, and CsCl) in the temperature range up to 1440 K by the forced Rayleigh scattering method. K2Cr2O7 is employed as a dye substance to color the transparent molten salts. The accuracy is estimated to be ± 4 to ±11 % depending on the measured salts. In comparison with the present results converted into thermal conductivity, most of the previous experimental data obtained by steady-state methods show larger values, up to about five times, which may be due to the systematic error caused by the presence of convection and radiation. It is found that the thermal conductivity of these series of molten alkali metal chlorides decreases with increasing molecular weight, and their temperature coefficients are weakly negative.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00501941
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  • 4
    Electronic Resource
    Electronic Resource
    Experimental determination of the thermal diffusivity of molten alkali halides by the forced Rayleigh scattering method. II. Molten NaBr, KBr, RbBr, and CsBr (1992)
    Springer
    International journal of thermophysics 13 (1992), S. 753-762 
    Details
    ISSN: 1572-9567
    Keywords: alkali halides ; forced Rayleigh scattering method ; molten salts ; thermal conductivity ; thermal diffusivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00503904
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