| 气力输送中旋风卸料器的数值模拟 |
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| 引用本文： | 张海红,魏新利.气力输送中旋风卸料器的数值模拟[J].粮食与饲料工业,2007(10):9-11. |
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| 作者姓名： | 张海红 魏新利 |
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| 作者单位： | 1. 河南工业大学机电工程学院,河南,郑州,450007
2. 郑州大学化工学院,河南,郑州,450002 |
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| 基金项目： | 河南工业大学校科研和校改项目 |
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| 摘 要： | 采用RSM模型、以SIMPLEC算法对下旋型卸料器的三维两相流场进行了数值模拟,结果验证了算法的可靠性,为气力输送装置的优化设计打下了基础.研究还发现:卸料器内的流场呈Rankine双涡结构;由于中心低压区的存在使得气流轴向滞流或回流;筒体与锥体相交处的上部有脉动螺旋环存在,故分离低密度或小粒径的颗粒时宜采用较小的锥角.
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| 关 键 词： | 卸料器 数值模拟 计算流体动力学 流场 |
| 文章编号： | 1003-6202（2007）10-0009-03 |
| 修稿时间： | 2007-06-03 |
Numerical Simulation of Cyclone Separator in Pneumatic Conveying |
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| Zhang Haihong,Wei Xinli.Numerical Simulation of Cyclone Separator in Pneumatic Conveying[J].Cereal & Feed Industry,2007(10):9-11. |
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| Authors: | Zhang Haihong Wei Xinli |
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| Abstract: | The flow field of three dimensions and two phases in down - revolving cyclone separator was simulated by model RSM and algorithm SIMPLEC, and the results were verified correctly, which provided a base for the optimal design of the equipment in pneumatic conveying. The thesis presented that the flow field was characterized by Rankine vortex; the axial current was stagnant due to the low pressure in the center; for a pulse whorl in the intersection of the cylinder and cone, the pyramidal angle should be smaller when the particles of small density or small diameter were separated. |
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| Keywords: | cyclone separator numerical simulation calculation of fluid dynamics flow field |
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