Measurements of thermophysical properties of liquid metals relevant to Marangoni effects

Abstract

Restricted accessMoreSectionsView PDF ToolsAdd to favoritesDownload CitationsTrack Citations ShareShare onFacebookTwitterLinked InRedditEmail Cite this article 1998Measurements of thermophysical properties of liquid metals relevant to Marangoni effectsPhil. Trans. R. Soc. A.356845–856http://doi.org/10.1098/rsta.1998.0191SectionRestricted accessMeasurements of thermophysical properties of liquid metals relevant to Marangoni effects Published:15 April 1998https://doi.org/10.1098/rsta.1998.0191AbstractMarangoni convection is caused by a gradient in the surface tension along a free liquid surface. The dimensionless Marangoni number, which controls the strength of this convection, contains additional thermophysical parameters. For liquid metals, these quantities are best measured under containerless conditions using electromagnetic levitation and non–contact diagnostic tools. In microgravity, small electromagnetic fields are sufficient to position a liquid sample. Some experiments can only be performed in such an environment, most others greatly benefit from microgravity and lead to results of higher precision. This paper reports on both terrestrial and microgravity measurements of thermophysical properties of undercooled liquid metals, including specific heat, density, surface tension, viscosity and electrical conductivity. Previous ArticleNext Article VIEW FULL TEXT DOWNLOAD PDF FiguresRelatedReferencesDetailsCited by Ushakov S, Niessen J, Quirinale D, Prieler R, Navrotsky A and Telle R (2021) Measurements of Density of Liquid Oxides with an Aero-Acoustic Levitator, Materials, 10.3390/ma14040822, 14:4, (822) Bachmann B, Siewert E and Schein J (2012) In situ droplet surface tension and viscosity measurements in gas metal arc welding, Journal of Physics D: Applied Physics, 10.1088/0022-3727/45/17/175202, 45:17, (175202), Online publication date: 2-May-2012. LYUBIMOV D, KONOVALOV V, LYUBIMOVA T and EGRY I (2011) Small amplitude shape oscillations of a spherical liquid drop with surface viscosity, Journal of Fluid Mechanics, 10.1017/jfm.2011.76, 677, (204-217), Online publication date: 25-Jun-2011. Moradian A and Mostaghimi J (2008) Measurement of Surface Tension, Viscosity, and Density at High Temperatures by Free-Fall Drop Oscillation, Metallurgical and Materials Transactions B, 10.1007/s11663-007-9120-8, 39:2, (280-290), Online publication date: 1-Apr-2008. Egry I (2003) Surface Tension Measurements in Microgravity and their Relevance to Marangoni Convection, ChemPhysChem, 10.1002/cphc.200390058, 4:4, (329-333), Online publication date: 14-Apr-2003. Priede J and Geroeth G (2000) Spin-up instability of electromagnetically levitated spherical bodies, IEEE Transactions on Magnetics, 10.1109/20.822545, 36:1, (349-353), Online publication date: 1-Jan-2000. This Issue15 April 1998Volume 356Issue 1739Discussion Meeting Issue ‘Marangoni and interfacial phenomena in materials processing’ organized by E. D. Hondros, M. McLean and K. C. Mills Article InformationDOI:https://doi.org/10.1098/rsta.1998.0191Published by:Royal SocietyPrint ISSN:1364-503XOnline ISSN:1471-2962History: Published online15/04/1998Published in print15/04/1998 License: Citations and impact Keywordselectrical conductivityelectromagnetic levitationsurface tensionmicrogravitydensityoscillating drop technique