Experimental methods

Manara, D.; Seibert, Α.; Gouder, T.; Beneš, O.; Martel, Laura; Colle, Jean‐Yves; Griveau, Jean‐Christophe; Walter, Olaf; Cambriani, Andrea; Blanco, Oliver Dieste; Staicu, D.; Wiss, T.; Vigier, Jean-François

doi:10.1016/b978-0-08-102571-0.00003-3

Cited by 1 publication

(1 citation statement)

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“…Cooling cycles, potentially informing about sample purity or irregular transition phases, were excluded from the melting point determination due to the supercooling effect of halide salts. The comprehensive methodology is explained in the work by Manara et al [ 21 ].…”

Section: Methodsmentioning

confidence: 99%

Thermophysical Properties of FUNaK (NaF-KF-UF4) Eutectics

Fache,

Voigt,

Colle

et al. 2024

Materials

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General interest in the deployment of molten salt reactors (MSRs) is growing, while the available data on uranium-containing fuel salt candidates remains scarce. Thermophysical data are one of the key parameters for reactor design and understanding reactor operability. Hence, filling in the gap of the missing data is crucial to allow for the advancement of MSRs. This study provides novel data for two eutectic compositions within the NaF-KF-UF4 ternary system which serve as potential fuel candidates for MSRs. Experimental measurements include their melting point, density, fusion enthalpy, and vapor pressure. Additionally, their boiling point was extrapolated from the vapor pressure data, which were, at the same time, used to determine the enthalpy of vaporization. The obtained thermodynamic values were compared with available data from the literature but also with results from thermochemical equilibrium calculations using the JRCMSD database, finding a good correlation, which thus contributed to database validation. Preliminary thoughts on fluoride salt reactor operability based on the obtained results are discussed in this study.

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Section: Methodsmentioning

confidence: 99%