| 微通道内细颗粒驻波会聚/分离过程的数值模拟 |
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| 引用本文： | 张平,李泽征,康明,徐江荣. 微通道内细颗粒驻波会聚/分离过程的数值模拟[J]. 环境工程学报, 2010, 4(8): 1887-1891 |
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| 作者姓名： | 张平 李泽征 康明 徐江荣 |
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| 作者单位： | 杭州电子科技大学计算机学院，杭州 310018,杭州电子科技大学理学院，杭州 310018,杭州电子科技大学理学院，杭州 310018,杭州电子科技大学理学院，杭州 310018 |
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| 基金项目： | 浙江省教育厅科技计划项目(Y200804320) |
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| 摘 要： | 为了研究微通道内可吸入颗粒的声波会聚现象,在两相流的框架下,对三出口微通道颗粒分离元件实现了声-流场中的颗粒运动的两相流动计算;计算方法中,首次提出的颗粒方程全导数离散方法,并成功运用于两相流动颗粒轨道的计算;模拟结果表明了超声换能器的长度对颗粒会聚的影响和出口流量对颗粒分离的影响。计算结果为三出口微通道颗粒分离元件的设计和应用提供参考。
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| 关 键 词： | 声波驻波 可吸入颗粒 两相流 数值模拟 |
Numerical simulating for inhalable particle congregation/separation in micro tunnel flow layered acoustic standing wave |
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| Zhang Ping,Li Zezheng,Kang Ming and Xu Jiangrong. Numerical simulating for inhalable particle congregation/separation in micro tunnel flow layered acoustic standing wave[J]. Techniques and Equipment for Environmental Pollution Control, 2010, 4(8): 1887-1891 |
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| Authors: | Zhang Ping Li Zezheng Kang Ming Xu Jiangrong |
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| Affiliation: | School of Computer Science, Hangzhou Dianzi University, Hangzhou 310018,China,School of Science, Hangzhou Dianzi University, Hangzhou 310018,China,School of Science, Hangzhou Dianzi University, Hangzhou 310018,China and School of Science, Hangzhou Dianzi University, Hangzhou 310018,China |
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| Abstract: | The micro tunnel flow with three outlets was simulated by SIMPLE method and the inhalable particle congregation/separation process was predicted by the particle motion equation by adding acoustic radiation force. It is the first time that the total derivative was used to discrete the motion equations of particle and the discrete equations was solved numerically to simulate the particle motion trajectories. The simulation results showed that the acoustic transducer length and outlet flux were the main influencing factors. The simulation results were worth to optimization design of the inhalable particle congregation/separation device. |
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| Keywords: | acoustic standing wave inhalable particle two phase flow numerical simulating |
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