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Reference Correlations for the Density and Thermal Conductivity, and Review of the Viscosity Measurements, of Liquid Titanium, Zirconium, Hafnium, Vanadium, Niobium, Tantalum, Chromium, Molybdenum, and Tungsten
International Journal of Thermophysics ( IF 2.2 ) Pub Date : 2024-01-22 , DOI: 10.1007/s10765-023-03305-z
Eleftheria Ntonti , Sofia Sotiriadou , Marc J. Assael , Marcia L. Huber , Boris Wilthan , Manabu Watanabe

The available experimental data for the density, thermal conductivity, and viscosity of liquid titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, and tungsten have been critically examined with the intention of establishing reference correlations. All experimental data have been categorized into primary and secondary data according to the quality of measurement, the technique employed, and the presentation of the data, as specified by a series of criteria. In the case of the density, new reference correlations are proposed for liquid titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, and tungsten, characterized by an expanded uncertainty (95 %) of 2.0 %, 2.1 %, 1.9 %, 2.2 %, 2.4 %, 2.6 %, 3.2 %, 2.1 %, and 4.1 %, respectively. The thermal conductivity reference correlations for the aforementioned liquid metals, except liquid chromium, are characterized by an expanded uncertainty (95 %) of 14.3 %, 8.4 %, 6.1 %, 11.4 %, 7.6 %, 4.0 %, 4.6 %, and 5.1 %, respectively. Finally, in the case of the viscosity, a review of the available literature shows very large deviations between data from authors for liquid titanium and zirconium, as well as a lack of measurements for the remaining melts. Hence, it is not justified to propose any kind of correlation for those cases.



中文翻译:

液态钛、锆、铪、钒、铌、钽、铬、钼和钨的密度和热导率的参考相关性以及粘度测量的回顾

对液态钛、锆、铪、钒、铌、钽、铬、钼和钨的密度、热导率和粘度的可用实验数据进行了严格检查,旨在建立参考相关性。根据一系列标准指定的测量质量、所采用的技术和数据的呈现方式,所有实验数据都分为主要数据和次要数据。在密度方面,提出了液态钛、锆、铪、钒、铌、钽、铬、钼和钨的新参考关系式,其特点是扩展不确定度 (95%) 为 2.0%、2.1%、1.9分别为 %、2.2%、2.4%、2.6%、3.2%、2.1% 和 4.1%。上述液态金属(液态铬除外)的热导率参考相关性的特点是扩展不确定度 (95%) 为 14.3%、8.4%、6.1%、11.4%、7.6%、4.0%、4.6% 和 5.1% , 分别。最后,就粘度而言,对现有文献的回顾显示,作者提供的液态钛和锆数据之间存在很大偏差,并且缺乏对剩余熔体的测量。因此,为这些情况提出任何类型的相关性是没有道理的。

更新日期:2024-01-22
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