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Applied Optics

Applied Optics


  • Vol. 17, Iss. 4 — Feb. 15, 1978
  • pp: 631–634

Particle size measuring device in real time for dense particulate systems

C. W. Ho, A. B. Tveten, P. W. Chan, and C. Y. She  »View Author Affiliations

Applied Optics, Vol. 17, Issue 4, pp. 631-634 (1978)

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The design and performance of a real-time particle size measuring device for dense particulate systems are reported. Based on measuring the ratio of scattered light at two angles, this device, in contrast to particle sizing instruments previously reported, allows more than one particle in the focal volume at any time and selects the scattered light pulses for processing. Size distributions have been determined with an average number of particles in the focal volume of up to 2.5. This represents a potential increase of more than an order of magnitude in particle concentration over single particle sizing devices.

© 1978 Optical Society of America

Original Manuscript: June 2, 1977
Published: February 15, 1978

C. W. Ho, A. B. Tveten, P. W. Chan, and C. Y. She, "Particle size measuring device in real time for dense particulate systems," Appl. Opt. 17, 631-634 (1978)

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  1. J. R. Hodkinson, Appl. Opt. 5, 830 (1966). [CrossRef]
  2. C. C. Gravatt, J. Air Pollut. Control Assoc. 23, 1035 (1973). [CrossRef] [PubMed]
  3. G. Kreikebaum, F. M. Shofner, “Design Considerations and Field Performance for an in situ, Continuous Fine Particulate Monitor Based on Ratio-Type Light Scattering,” presented at the International Conference of Environmental Sensing and Assessment, Las Vegas (1975) (unpublished).
  4. E. D. Hirleman, S. L. K. Witting, “In situ Optical Measurement of Automobile Exhaust Gas Particulate Size Distributions: Regular Fuel and Menthol Mixtures,” presented at the Symposium on Combustion, Boston (1976) (unpublished).
  5. C. Y. She, P. W. Chan, Appl. Opt. 14, 1767 (1975). [CrossRef] [PubMed]
  6. C. W. Ho, “A Real Time Measuring Device for Dense Particulate Systems,” M. S. Thesis, Colorado State University (1976) (unpublished).

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