Improved spatial filtering velocimetry and its application in granular flow measurement

Kong Ping¹, Wang Bi-De², Wang Peng^{1, 3}, Zivkovic V⁴, Zhang Jian-Qing^{5, †}

The axial speed distribution for different filling degrees at 3.5 rpm. The experimental was performed with 1-mm particles in the 100-mm wide drum.