At present, the measurement techniques for gas-solid two phases flow have become a desiderative problem to be solved in multi-phase field.
目前，气固两相流检测技术已成为多相流研究中的一个亟待解决的问题。
The dissertation studies the characteristics of gas mixing and the gas-solid two phases flow in spouted-fluidization bed with experiment and numerical simulation methods.
本文通过采用实验和数值模拟的方法，研究了喷动流化床内气体混合特性以及床内气固两相的流动特性。
Gas-solid two phases flow is broadly exist in industry and nature. Research on it is very important, which can help us optimize the manufacture process, improve efficiency, and reduce pollution.
气固两相流在工业和自然界是广泛存在的，对其进行研究有着重大的意义，如优化生产工艺，提高生产效率，减少工业污染等。
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