Multiphase CFD Simulation of a Solid Bowl Centrifuge
Multiphase CFD Simulation of a Solid Bowl Centrifuge
复制标题
实心转鼓离心机的多相 CFD 模拟
DOI：
10.1002/ceat.200800531
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发表时间：
2009
影响因子：
2.1
通讯作者：
H. Nirschl
中科院分区：
文献类型：
--
作者：
X. R. Fernández;H. Nirschl
本文给出了工业流体处理中用于颗粒分离的工业固体碗离心机内流动的一些数值模拟结果。利用计算流体力学(CFD)软件FLUENT对该多相流进行了数值模拟。建立了简化的二维和三维几何模型，并根据实际离心机几何模型划分网格。CFD结果表明，在气液界面处存在轴向快速运动的流体边界层。在这一层之下有一层稀薄的再循环。得到的切向速度值低于刚体运动的切向速度值。此外，还对固体颗粒的轨迹进行了评估。
This study presents some results from the numerical simulation of the flow in an industrial solid bowl centrifuge used for particle separation in industrial fluid processing. The computational fluid dynamics (CFD) software Fluent was used to simulate this multiphase flow. Simplified two-dimensional and three-dimensional geometries were built and meshed from the real centrifuge geometry. The CFD results show a boundary layer of axially fast moving fluid at the gas-liquid interface. Below this layer there is a thin recirculation. The obtained tangential velocity values are lower than the ones for the rigid-body motion. Also, the trajectories of the solid particles are evaluated.