水平井钻井、砾石充填及冲砂等作业都涉及到固液两相流动的固体颗粒起动问题。
Incipient motion of solid grain in solid-liquid two \ | phase flow is often concerned in many petroleum technologies, such as horizontal drilling, gravel-packing and sand washing.
基于欧拉·欧拉双流体模型，数值模拟倒置液固流化床内液固两相流动行为。
Flow behavior of liquid and solid phases was simulated in an inversed fluidized bed based on two-fluid two-phase flow model.
含砂原油在水平井水平段中的流动是液固两相沉降性浆体水平管流的一种特殊形式。
The flow of oil and sand mixture in horizontal wellbore is a special flow model of solid-liquid two phase flow in pipe flow actually.
实验表明：半固态浆料模锻成形的变形方式是不同的，不同的固相率下其固液两相的塑性流动机制也是不同的；
The experiment showed that the mode of deformation and the plastic flow mechanism of solid and liquid phase under different solid phase ratio were different;
对带颗粒的宾汉流体的两相流流动与液固两相流流动做了比较，宾汉流体的两相流流动的两相速度比液固两相流流动的两相速度的分布平坦。
Compared the two-phase flow of Bingham-solid with liquid-solid, it is found that the velocity of Bingham-solid is flatter than that of liquid-solid.
在铸坯凝固末端轻压下直接作用区域，两相区受到压缩，枝晶间富含溶质的液相被挤出，相对于铸坯向液芯方向流动。轻压下之后，铸坯中心区域由糊状区内被压缩的固相及残留的液相构成，中心区域偏析指数下降。
The simulation results show that mushy region is compressed and interdendritic solute-rich liquid flows toward the liquid core in the soft reduction action zone at the solidification end of the slab.
在铸坯凝固末端轻压下直接作用区域，两相区受到压缩，枝晶间富含溶质的液相被挤出，相对于铸坯向液芯方向流动。轻压下之后，铸坯中心区域由糊状区内被压缩的固相及残留的液相构成，中心区域偏析指数下降。
The simulation results show that mushy region is compressed and interdendritic solute-rich liquid flows toward the liquid core in the soft reduction action zone at the solidification end of the slab.
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