6TOSH1HIKO UMEKAGE, SHENICGHE YUU, etc.. Numerical simulation for blockage of cohesive particles in a hopper using the distinct element method and its correlation with experimental results of real cohesive granular materials[J]. Advanced power technology, 1998, 9(4): 3.31-344.
7Tian Jiansheng, Chen Qingshu. Development of coal store and transportation technology using horizontal coal bunker[J]. Journal of coal science and engineering, 2005(12):16-19.
