Effects of non-spherical drops on a phase doppler spray analyzer

Dennis R. Alexander, Kenneth J. Wiles, Scott A. Schaub, Martin P. Seeman

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


A Phase Doppler Spray Analyzer (P/DSA) and a laser imaging system (LIS) was used to study the response of a P/DSA to non-spherical particles. Methanol particles with an aspect ratio ranging from 0.7 to 1.4 were used in this investigation. Results indicated that the P/DSA was quite sensitive to particle shape. A Berglund-Liu generator was used to produce particles of 98 μm (volumetric diameter). The P/DSA instrument measured particle sizes ranging from 142 μm for a particle of aspect ratio 0.7 to 84 μm for an aspect ratio of 1.4. Particle diameters based on averaged x and y diameters for the laser imaging system ranged from 95 μm to 92 μm over the same range of aspect ratios.

Original languageEnglish (US)
Pages (from-to)67-72
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - Nov 11 1985

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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