2012
DOI: 10.1063/1.4770125
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A levitation instrument for containerless study of molten materials

Abstract: A new aero-acoustic levitation instrument (AAL) has been installed at the Institute for Mineral Engineering at RWTH University in Aachen, Germany. The AAL employs acoustically stabilized gas jet levitation with laser-beam heating and melting to create a contact-free containerless environment for high temperature materials research. Contamination-free study of liquids is possible at temperatures in excess of 3000 °C and of undercooled liquids at temperatures far below the melting point. Digital control technolo… Show more

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Cited by 32 publications
(19 citation statements)
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“…The design of the aero-acoustic levitator used in this work (Figure 1) was described in detail by Nordine et al [48]. The sample for levitation was positioned above the alumina tube heated to 550 • C, which serves as a gas jet.…”
Section: Measurement Proceduresmentioning
confidence: 99%
See 3 more Smart Citations
“…The design of the aero-acoustic levitator used in this work (Figure 1) was described in detail by Nordine et al [48]. The sample for levitation was positioned above the alumina tube heated to 550 • C, which serves as a gas jet.…”
Section: Measurement Proceduresmentioning
confidence: 99%
“…This is attributed to their higher density. Levitation stability in AAL is discussed in detail by Nordine et al [48].…”
Section: Video Processingmentioning
confidence: 99%
See 2 more Smart Citations
“…Trapping of objects by means of acoustic forces is used in various areas such as chemistry [1], bioreactors [2,3], blood analysis [4], study of organisms in microgravity [2,5], control of nano material self-assembly [6], containerless processing [7][8][9], and to study droplet dynamics [10,11]. The main advantages of acoustic levitation over other methods, such as magnetic levitation [12], are its independence of the material properties of the object and its passive stability.…”
Section: Introductionmentioning
confidence: 99%