SYMPOSIA PAPER Published: 01 January 1984

Particle Sizing by Optical, Nonimaging Techniques


Optical, nonimaging techniques for sizing liquid particles of diameters greater than 1 μm are reviewed. Nonimaging optical diagnostics separate into two classes, ensemble or multi-particle analyzers and single particle counters (SPC). A discussion and analysis of the theoretical basis, performance characteristics, and calibration considerations for the various methods in each class is presented. Laser diffraction ensemble techniques, crossed-beam dual-scatter interferometric SPC, and finally single beam SPC based on the measurement of partial light-scattering cross sections of the particles are considered in detail.

Author Information

Hirleman, ED
Mechanical and Aerospace Engineering, Arizona State University, Tempe, AZ
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Developed by Committee: E29
Pages: 35–60
DOI: 10.1520/STP32615S
ISBN-EB: 978-0-8031-4913-7
ISBN-13: 978-0-8031-0227-9