流下粒体の流速測定の一方法
1954 年 23 巻 6 号 p. 254-256
詳細
1954 年 23 巻 6 号 p. 254-256
When flowing granular mass is photographed with intermittent illumination, paths of granules appear as series of broken lines. By measuring both the intermittent time and the lengths of broken lines, the velocity of granules is determined. Method of photographing and results of measurement are described.
