提出了模拟稠密气固两相流动的改进模型。
Improved models regarding dense gas-particle two-phase flow are proposed.
提出了数值模拟稠密气固两相流动的多重格子-真实轨道模型（MLAT模型）。
To simulate the cluster formation in dense two-phase flow, a multi-lattice actual trajectory (MLAT) model is developed.
计算结果与前人实验结果相符并表明，采用该模型及其算法模拟循环流化床内稠密气固两相流动是可行的。
These calculated results are in agreement with experiment ones. It shows that these models and algorithm are feasible and can be used to study the dense two-phase flow in a CFB efficiently.
经循环流化床数值模拟的检验证明，新模型的计算结果与实验数据吻合，从而在稠密气固两相流动的数值模拟中具有相当的优越性。
In the numerical simulation of a CFB apparatus, the result of the new model agrees with the experiment data well, so it shows the remarkable advantage or simulation of dense gas-solid two-phase flow.
将气泡生成脉动能量与气泡模型进行比较，结果再次论证本文分析方法的可靠性，本文的研究工作为稠密气固两相流动的研究揭开了一个崭新的篇章。
At last, the energy of the bubble formation frequency band was compared with the bubble model which shows the reliability of the analysis methods mentioned above.
将气泡生成脉动能量与气泡模型进行比较，结果再次论证本文分析方法的可靠性，本文的研究工作为稠密气固两相流动的研究揭开了一个崭新的篇章。
At last, the energy of the bubble formation frequency band was compared with the bubble model which shows the reliability of the analysis methods mentioned above.
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