With the change in carrier gas flow rate from high to low in powder material pneumatic transport, gas-solid two-phase flow occurs in a sequence of homogeneous flow, layer-built flow, pulse flow and pushing flow.
粉料气动输送中的气流速度由高到低变化时,气—固两相流的流动状态依次出现均匀流,层状流,脉动流和塞状流。