NASA NTRS · 19830000157
Classifying Particles By Acoustic Levitation
Abstract
Separation technique well suited to material processing. Apparatus with rectangular-cross-section chamber used to measure equilibrium positions of low-density spheres in gravitational field. Vertical acoustic forces generated by two opposing compression drivers exciting fundamental plane-wave mode at 1.2 kHz. Additional horizontal drivers centered samples along vertical axis. Applications in fusion-target separation, biological separation, and manufacturing processes in liquid or gas media.
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Barmatz, Martin B., Stoneburner, James D.. 1983-10-01. Classifying Particles By Acoustic Levitation. https://ntrs.nasa.gov/citations/19830000157
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