Acoustic Levitation - A Novel Alternative to Traditional Lubrication of Contacting Surfaces

Fundamental aspects and mechanisms of acoustic levitation together with governing equations are presented first. Then, the acoustic levitation phenomenon is considered as a new way to design air suspension systems capable of self-levitation. A particular emphasis is on journal bearings and their spe...

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Bibliographic Details
Published inTribology Online Vol. 9; no. 4; pp. 164 - 174
Main Author Stolarski, Tadeusz Adam
Format Journal Article
LanguageEnglish
Published Japanese Society of Tribologists 2014
Subjects
acoustic levitation
experimental verification
sliding contacts
squeeze film
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Summary:Fundamental aspects and mechanisms of acoustic levitation together with governing equations are presented first. Then, the acoustic levitation phenomenon is considered as a new way to design air suspension systems capable of self-levitation. A particular emphasis is on journal bearings and their specific geometrical configuration. A practical feasibility of using acoustic levitation to separate contacting surfaces is supported and illustrated by results of experimental testing of a number of prototype devices.
ISSN:1881-2198
1881-2198
DOI:10.2474/trol.9.164