Measurement of density, sound velocity, surface tension, and viscosity of freely suspended supercooled liquids
Identifieur interne : 000107 ( Main/Exploration ); précédent : 000106; suivant : 000108Measurement of density, sound velocity, surface tension, and viscosity of freely suspended supercooled liquids
Auteurs : RBID : ISTEX:10765_1995_Article_BF01441920.pdfEnglish descriptors
Abstract
Noncontact methods have been implemented in conjunction with levitation techniques to carry out the measurement of the macroscopic properties of liquids significantly cooled below their nominal melting point. Free suspension of the sample and remote methods allow the deep excursion into the metastable liquid state and the determination of its thermophysical properties. We used this approach to investigate common substances such as water,v-terphenyl. succinonitrile, as well as higher temperature melts such as molten indium, aluminum, and other metals. Although these techniques have thus far involved ultrasonic, eletromagnetic, and more recently electrostatic levitation, we restrict our attention to ultrasonic methods in this paper. The resulting magnitude of maximum thermal supercooling achieved has ranged between 10% and 15% of the absolute temperature of the melting point for the materials mentioned above. The methods for measuring the physical properties have been mostly novel approaches, and the typical accuracy achieved has not yet matched the standard equivalent techniques involving contained samples and invasive probing. They are currently being refined, however, as the levitation techniques become more widespread and as we gain a better understanding of the physics of levitated liquid samples.
DOI: 10.1007/BF01441920
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Ohsaka</name><affiliation wicri:level="1"><mods:affiliation>Jet Propulsion Laboratory, California Institute of Technology, 911119, Pasadena, California, USA</mods:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Jet Propulsion Laboratory, California Institute of Technology, 911119, Pasadena, California</wicri:regionArea><wicri:noRegion>California</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="RBID">ISTEX:10765_1995_Article_BF01441920.pdf</idno><date when="1995">1995</date><idno type="doi">10.1007/BF01441920</idno><idno type="wicri:Area/Main/Corpus">000E54</idno><idno type="wicri:Area/Main/Curation">000E54</idno><idno type="wicri:Area/Main/Exploration">000107</idno></publicationStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Density</term><term>Levitation technique</term><term>Sound velocity</term><term>Supercooling</term><term>Surface tension</term><term>Viscosity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="eng">Noncontact methods have been implemented in conjunction with levitation techniques to carry out the measurement of the macroscopic properties of liquids significantly cooled below their nominal melting point. Free suspension of the sample and remote methods allow the deep excursion into the metastable liquid state and the determination of its thermophysical properties. We used this approach to investigate common substances such as water,v-terphenyl. succinonitrile, as well as higher temperature melts such as molten indium, aluminum, and other metals. Although these techniques have thus far involved ultrasonic, eletromagnetic, and more recently electrostatic levitation, we restrict our attention to ultrasonic methods in this paper. The resulting magnitude of maximum thermal supercooling achieved has ranged between 10% and 15% of the absolute temperature of the melting point for the materials mentioned above. The methods for measuring the physical properties have been mostly novel approaches, and the typical accuracy achieved has not yet matched the standard equivalent techniques involving contained samples and invasive probing. 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H.</namePart><namePart type="family">Trinh</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Jet Propulsion Laboratory, California Institute of Technology, 911119, Pasadena, California, USA</affiliation></name><name type="personal"><namePart type="given">K.</namePart><namePart type="family">Ohsaka</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Jet Propulsion Laboratory, California Institute of Technology, 911119, Pasadena, California, USA</affiliation></name><typeOfResource>text</typeOfResource><genre>Original Paper</genre><originInfo><publisher>Kluwer Academic Publishers-Plenum Publishers, New York</publisher><dateValid encoding="w3cdtf">2005-03-23</dateValid><copyrightDate encoding="w3cdtf">1995</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="eng">Noncontact methods have been implemented in conjunction with levitation techniques to carry out the measurement of the macroscopic properties of liquids significantly cooled below their nominal melting point. Free suspension of the sample and remote methods allow the deep excursion into the metastable liquid state and the determination of its thermophysical properties. We used this approach to investigate common substances such as water,v-terphenyl. succinonitrile, as well as higher temperature melts such as molten indium, aluminum, and other metals. Although these techniques have thus far involved ultrasonic, eletromagnetic, and more recently electrostatic levitation, we restrict our attention to ultrasonic methods in this paper. The resulting magnitude of maximum thermal supercooling achieved has ranged between 10% and 15% of the absolute temperature of the melting point for the materials mentioned above. The methods for measuring the physical properties have been mostly novel approaches, and the typical accuracy achieved has not yet matched the standard equivalent techniques involving contained samples and invasive probing. 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