旋回噴霧における液滴径及び速度三成分の同時計測

概要

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A combined technique of simultaneous measurements of size and 3D velocity components of droplets in a spray has been proposed. This technique is, based on the optical technique of glare points observation and stereoscopic PIV (SPIV). The size of droplet is obtained by the interval of the glare points generated by the direct reflection and the 1st refraction from the droplet illuminated by Nd:YAG laser (532nm). The 3D velocity components of droplets are measured by using SPIV based on the images of distribution of the glare points. The optical arrangement for this simultaneous measurement has been devised and the feasibility and capability of the technique was confirmed by applying to size and velocity field measurements of a spray issuing from a swirl fuel nozzle being used in a gas turbine.
埼玉大学地域共同研究センターの論文