| 旋风分离器内流场的数值模拟及方法分析 |
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| 引用本文： | 李文东,王连泽.旋风分离器内流场的数值模拟及方法分析[J].环境工程,2004,22(2):37-39. |
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| 作者姓名： | 李文东 王连泽 |
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| 作者单位： | 清华大学,工程力学系,北京,100084 |
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| 基金项目： | 国家自然科学基金资助项目降低流动压差阻力及旋风分离器减阻杆减阻机理研究 (No .1 0 1 72 0 55) |
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| 摘 要： | 基于交错网格的SIMPLE方法对切向入口旋风分离器内的流场进行了数值模拟 ,为了分析验证不同湍流模型的适用效果 ,分别选用了标准的k -ε模型、Smith修正的模型和Chen Kim修正的模型。通过对同一工况模拟结果与实验数据的比较 ,发现Smith修正的湍流模型更适合于预报像旋风分离器内这种具有返转流动的强旋流场
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| 关 键 词： | 旋风分离器 旋转流场 Smith修正的k-ε模型 ChenKim模型 |
| 修稿时间： | 2003年6月12日 |
NUMERICAL SIMULATION FOR THE FLOW FIELD IN A CYCLONE SEPARATOR AND TURBULENT MODEL ANALYSIS |
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| Li Wendong et al.NUMERICAL SIMULATION FOR THE FLOW FIELD IN A CYCLONE SEPARATOR AND TURBULENT MODEL ANALYSIS[J].Environmental Engineering,2004,22(2):37-39. |
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| Authors: | Li Wendong |
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| Institution: | Li Wendong et al |
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| Abstract: | A numerical simulation has been made for a cyclone separator with a tangential inlet using the SIMPLE algorithm on staggered grid.In order to find out a good turbulent model to predict the swirling flow,the standard k-ε turbulent model,Smith modified turbulent model and Chen-Kim turbulent model were adopted respectively.The calculation results were compared with that of the experiment and shows that the Smith modified model is more suitable to predict the swirling flow in the cyclone separator. |
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| Keywords: | cyclone separator swirling flow field Smith modified model and Chen-Kim model |
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