粉粒体充てん層の空隙率測定

円筒状充てん層

抄録

This work was undertaken because previous data on a radial void fraction had suggested that the void fraction across the diameter of packed beds might be flat distribution at the region without the effects of container wall.
The present results obtained from comparatively large scale packed beds (container dia. 150mm, particle dia. 0.125mm) showed non-flat distribution at about 80 to 300 particle diameters from the container wall. The distribution function might be explained from vertical pressure distribution.
The semi-empirical fomula is given finally by Eq. (15).