Size Scaling of Velocity Field in Granular Flows through Apertures

Gaoke Hu, Ping Lin, Yongwen Zhang +3

For vertical velocity field $v_{\mathrm{z}}(r,z;R)$ of granular flow through an aperture of radius $R$, we propose a size scaling form $v_{\rm z}(r,z;R)=v_{\rm z} (0,0;R)f (r/R_{\rm r}…