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.
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。
To simulate the cluster formation in dense two-phase flow, a multi-lattice actual trajectory (MLAT) model is developed.
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）。
Improved models regarding dense gas-particle two-phase flow are proposed.
提出了模拟稠密气固两相流动的改进模型。
In addition, flow pattern of catalyst in gasoline riser has been studied and the result shows that gas solid contact in the riser was in the form of dense phase force transfer.
通过对汽油提升管内催化剂流动形式的分析，提升管内气固接触形式为密相气力输送。
Dense phase voidage can be estimated by cutting gas flow and following the rate of bed collapse.
采用切断流化床气源，并跟踪测量床面塌落速度的方法，可以测得浓相空隙率。
CDIPSAR algorithm on compressible and dense gas solid two phase turbulent flow is developed.
在DIPSAR算法的基础上，推导了适用于可压密相气固两相湍流流动数值计算的CDIPSAR算法。
For dense phase conveying of pulverized material there is a close relationship among many parameters, such as fluidization velocity, carrier gas flow rate, pipe diameter etc.
结果表明，粉状物料的浓相输送与流化速度、补气量、输送管径有关。
High acceleration and complex grain can both cause particles to aggregate highly in local part of SRM, thus form high-temperature and dense two-phase flow.
高过载或复杂装药都会引起凝相颗粒在固体发动机局部高度聚集，形成高温稠密两相流。
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.
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。
For both crossed-flow in dense phase heat exchanger and NSP kiln, low limitation for gas speed must be noticed to prevent from or to reduce materials accumulation or collapse.
无论交叉流浓相换热器，还是传统NSP窑，必须注重低限风速的意义，防止或减少积料、塌料现象的发生；
These models are used to numerically study the two-phase flow in a Circulating Fluidized Bed (CFB), and detailed results regarding the dense two-phase flow characteristic in a CFB are obtained.
用此模型对循环流化床的两相流动进行数值模拟，得到了较详细的床内流动特性。
Solid mass rate at different gas flow is forecasted by using improved BP neural network in dense phase pneumatic conveying.
结果表明，BP网络能对不同实验条件下的固体质量流率进行较好的预测。
Solid mass rate at different gas flow is forecasted by using improved BP neural network in dense phase pneumatic conveying.
结果表明，BP网络能对不同实验条件下的固体质量流率进行较好的预测。
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