Transport Properties of Molten Salts

Okada, Isao

doi:10.1007/0-306-46923-5_4

Cited by 7 publications

(4 citation statements)

References 126 publications

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“…This will also help in the elucidation of the mechanism of ionic conductivities in simple molten salts such as alkali chloride and bromide melts. Data on the mobilities in binary systems with a common anion can supply us with much more information concerning the mechanism − than those in pure melts such as LiCl.…”

Section: Introductionmentioning

confidence: 99%

A New Analysis of Internal Cation Mobilities in the Molten Binary System (Li, K)Cl

2010

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Internal mobilities of Li + and K + in the molten binary system (Li, K)Cl have been measured at (913 and 973) K. The product of the internal mobility and the modified molar volume has a constant value for Li + at 913 K and two constant values depending on concentration for Li + at 973 K and for K + at 913 K and at 973 K; the modified molar volume is the molar volume minus the deviation volume, appearing in an empirical equation previously presented. The present result is compared with that obtained for molten (Li, K)Br, which has previously been found to show a regular mode for the mobilities. The mobilities in the present system are attributable to the regular mode and, in addition, to the perturbed mode when the product has two values. The results are accounted for in terms of the dynamic dissociation model. † Part of the "Josef M. G. Barthel Festschrift".

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Section: Introductionmentioning

confidence: 99%

A New Analysis of Internal Cation Mobilities in the Molten Binary System (Li, K)Cl

2010

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“…The methods of viscosity measurement usually include capillary flow, vibration, falling and rotary methods [11,12], which are suitable to different temperature and viscosity ranges based on different principles of measurement.…”

Section: Experimental Apparatus and Measurement Methodsmentioning

confidence: 99%

“…The viscometer can be used for viscosity measurement according to torsional vibration principle [11,12], which is shown schematically in Figure 1. A crucible filled with liquid melt is hanged under a sling, and the crucible is put inside a high-temperature vacuum furnace.…”

Section: Experimental Apparatus and Measurement Methodsmentioning

confidence: 99%

Experimental study of viscosity characteristics of high-temperature heat transfer molten salts

Chen

Ren

et al. 2011

Sci. China Technol. Sci.

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In this paper several kinds of high temperature molten salts were investigated experimentally on viscosity-temperature characteristics with high-temperature viscometer. The viscosities of the molten salts were measured and compared with those from references to verify the reliability of the viscometer and measuring methods, and a good agreement was observed from the comparisons. Then, two new high-temperature molten salts were made from the HITEC salt by some additives and the viscosity-temperature profiles of them were obtained by experiments. The results show that the new molten salts have much lower viscosities, thus suitable for reducing the flow resistance in transportation system of high-temperature solar thermal power generation. high-temperature molten salts, viscosity, temperatureCitation: Chen Y C, Wu Y T, Ren N, et al. Experimental study of viscosity characteristics of high-temperature heat transfer molten salts. Sci China Tech Sci, 2011, 54: 30223026,

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“…There are several fundamentally different approaches to measuring the viscosity of molten salts. They usually include capillary, ball drop, vibration, oscillatory and rotary methods, which are suitable for various temperature and viscosity ranges [ 6 , 7 , 8 , 9 , 10 ]. Nevertheless, special requirements are imposed on the structural materials of measuring devices and the measurement procedure for molten mixtures of fluoride salts.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Viscosity of the NaF-KF-NdF3 Molten System

Rudenko

Катаев

2022

Materials

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The dynamic viscosity (η) of the molten system (NaF-KF)eut-NdF3 containing NdF3 in an amount from 0 to 15 mol.% was studied by rotational viscometry using a high-temperature rheometer, FRS 1600. Viscosity measurements were carried out in the temperature range from liquidus to 1153 K. The measurement procedure was tested on the (LiF-NaF-KF)eut melt. The choice of the parameter shear rate was carried out according to the viscosity and flow curves. Viscosity does not depend on shear rate, and therefore the investigated melts behave like Newtonian fluids, in the range of 9–19 s−1. The experimentally obtained viscosity values for (NaF-KF)eut-NdF3 melts in a wide temperature range are described by an exponential equation. In the coordinates ln(η) = f(1/T), they are straight lines; however, their temperature coefficients are noticeably different, which indicates significant impacts of composition and temperature.

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Transport Properties of Molten Salts

Cited by 7 publications

References 126 publications

A New Analysis of Internal Cation Mobilities in the Molten Binary System (Li, K)Cl

A New Analysis of Internal Cation Mobilities in the Molten Binary System (Li, K)Cl

Experimental study of viscosity characteristics of high-temperature heat transfer molten salts

Dynamic Viscosity of the NaF-KF-NdF3 Molten System

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