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Classifying Particles By Acoustic LevitationSeparation 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.
Document ID
19830000157
Document Type
Other - NASA Tech Brief
Authors
Barmatz, Martin B. (Caltech)
Stoneburner, James D. (Caltech)
Date Acquired
August 11, 2013
Publication Date
October 1, 1983
Publication Information
Publication: NASA Tech Briefs
Volume: 7
Issue: 4
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
NPO-15561
Accession Number
83B10157
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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