Firstly,the pressure distribution of gas solid flow along the circulating route is analyzed and experimentally studied. 分析气固两相流在循环路径中的压力分布，并通过试验对其进行了研究。
The effect of second gas flow on the conveying pipe gas-solid flow in pneumatic dense plug-flow conveying was numerically simulated. 本文对气力成栓的浓相气力输送中二次气流对输送主管的管内气固两相流动进行数值研究。
