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Aerodynamic Levitation: Thermophysical Property Measurements of Liquid Oxides

Kargl, Florian and Yuan, C. C. and Greaves, GN (2015) Aerodynamic Levitation: Thermophysical Property Measurements of Liquid Oxides. International Journal of Microgravity Science and Application, 32 (2), p. 320200. ISSN 0915-3616.

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Official URL: http://www.jasma.info/journal

Abstract

We report on a compact laser-heated aerodynamic levitation facility which can be used for studies of thermophysical properties like density, surface tension and viscosity of liquid oxides at high temperatures. The facility is characterized by employing an acoustic excitation system for controlled excitation of droplet oscillations which is key for measurements of surface tension and viscosity. Results of measurements of density and viscosity of pure liquid Al 2 O 3 as well as CaAl 2 O 4 are presented. The data are discussed in the context of available literature data. It is shown that with the present setup the experimentally accessible temperature ranges could be enlarged. For viscosity high precision data for high melting point and highly reactive oxide melts can now be obtained using aerodynamic levitation.

Item URL in elib:https://elib.dlr.de/95788/
Document Type:Article
Title:Aerodynamic Levitation: Thermophysical Property Measurements of Liquid Oxides
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Kargl, Florianflorian.kargl (at) dlr.deUNSPECIFIED
Yuan, C. C.chenchen.yuan (at) dlr.deUNSPECIFIED
Greaves, GNAberystwyth Univ, Ctr Adv Funct Mat & Devices, Inst Math & Phys, Aberystwyth SY23 3BZ, Dyfed, Wales;UCL, Dept Chem, London WC1H 0AJ, England; UCL, Mat Chem Ctr, London WC1H 0AJ, EnglandUNSPECIFIED
Date:30 April 2015
Journal or Publication Title:International Journal of Microgravity Science and Application
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:32
Page Range:p. 320200
ISSN:0915-3616
Status:Published
Keywords:aerodynamic levitation, thermophysical properties, oxide melts
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Research under Space Conditions
DLR - Research theme (Project):R - Vorhaben Materialforschung unter Mikro-g (old), R - Vorhaben Materialwissenschaftliche Forschung (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Kargl, Dr Florian
Deposited On:29 Jan 2016 07:42
Last Modified:16 Jul 2021 17:36

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