Laser-diffraction based drop-sizing system using image sensor

T. Suzuki; K. Harase

doi:10.1117/12.2063606

6 August 2014 Laser-diffraction based drop-sizing system using image sensor

T. Suzuki, K. Harase

Proceedings Volume 9232, International Conference on Optical Particle Characterization (OPC 2014); 923209 (2014) https://doi.org/10.1117/12.2063606
Event: International Conference on Optical Particle Characterization (OPC 2014), 2014, Tokyo, Japan

Abstract

Drop-sizing is indispensable in research and development of spray systems. Unfortunately, the commercial drop-sizing devices are generally expensive. Cheaper devices would be helpful for the researches on their beginning stage. One of the authors developed the simple system of drop-sizing and has been opened for academic researchers. The system was based on the laser diffraction method using an image sensor for obtaining the angular distribution of scattered lightintensity from droplets. But the system had several imperfections. They were basically owing to the shortage of lightintensity dynamic-range of the image sensor. The system was improved much by putting a small circular awning on the image sensor. The newly developed system is outlined, and the results of trial measurements are presented in this paper.

Citation Download Citation

T. Suzuki and K. Harase "Laser-diffraction based drop-sizing system using image sensor", Proc. SPIE 9232, International Conference on Optical Particle Characterization (OPC 2014), 923209 (6 August 2014); https://doi.org/10.1117/12.2063606

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