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一种复杂物料输送及除杂气动系统的仿真分析与实验研究 被引量:1

Numerical simulation and experiment research of the transportation and separation of complicated particles in pneumatic system
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摘要 该文描述了一种复杂物料输送、除杂气动系统。基于离散相粒子模型模拟复杂物料,并通过与试验数据对比建立特殊边界上多孔介质模型,采用气/粒子两相流数值模拟方法对物料输送、除杂系统进行了数值仿真;数值分析了系统流场特征,获得了物料良好气力输送、除杂的仿真预报。根据仿真结果研制了该系统模型试验平台,并进行了模型试验。仿真结果与试验结果吻合良好。 This paper is presented to introduce a pneumatic system of transportation and separation for complicated materials and supplies. A computational model of discrete phase particles is used to simulate the complicated materials and supplies while the inertial and viscous resistance coefficients of the porous media model on special boundary are determined by comparing the results from experiments. The method of gas/particle two-phase flow is adopted for computational simulation on the transportation and separation system. The characteristics of the flow field are analyzed numerically and the prediction ongood pneumatic transportation and separation for materials can be obtained from the simulation work. According to the computational results, a systematic model test platform is developed and a model test is conducted subsequently. Good agreement can be found in the comparison of results from the simulation and model test.
出处 《水动力学研究与进展(A辑)》 CSCD 北大核心 2014年第3期355-360,共6页 Chinese Journal of Hydrodynamics
基金 国家烟草专卖局资助项目(110200602001)~~
关键词 输送 除杂 多相流 离散相模型 transportation, separation, multiphase flow, discrete phase model
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