NASA NTRS · 19910000286
Reducing Thermal Conduction In Acoustic Levitators
Abstract
Acoustic transducers containing piezoelectric driving elements made more resistant to heat by reduction of effective thermal-conductance cross sections of metal vibration-transmitting rods in them, according to proposal. Used to levitate small objects acoustically for noncontact processing in furnaces. Reductions in cross sections increase amplitudes of transmitted vibrations and reduce loss of heat from furnaces.
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Lierke, Ernst G., Leung, Emily W., Bhat, Balakrishna T.. 1991-06-01. Reducing Thermal Conduction In Acoustic Levitators. https://ntrs.nasa.gov/citations/19910000286
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