| 滴灌用泥砂分离器的性能预测与改型设计 |
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| 引用本文： | 苏发章,沈建锋,韩伟,李仁年,李琪飞,李德顺.滴灌用泥砂分离器的性能预测与改型设计[J].兰州理工大学学报,2008,34(6). |
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| 作者姓名： | 苏发章 沈建锋 韩伟 李仁年 李琪飞 李德顺 |
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| 作者单位： | 兰州理工大学,流体动力与控制学院,甘肃,兰州,730050 |
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| 基金项目： | 甘肃省自然科学基金(ZSO-A25-021-G)本文得到兰州理工大学"学术梯队及特色研究方向重点资助计划(T200303)"项目和硕士基金(0212)资助;在此表示感谢
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| 摘 要： | 为了改善滴灌系统泥砂分离器的性能,利用CFD软件对旋流式固液分离器内固液两相流场进行三维数值模拟.针对计算与试验结果分析原型机流场存在的问题,根据水力旋流器分离旋流动力学要求和数值模拟结果对泥砂分离器进行改型设计.通过改变分离器进口、溢流口形状与尺寸、圆锥体与分离柱高度的比值等,寻求分布合理的内流场,使改型后的泥砂分离器具有符合设计要求的分离性能.改型后的泥砂分离器具有更高的分离效率和较低的压力损失,试验结果与预测结果比较吻合.
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| 关 键 词： | 泥砂分离器 固液两相流 数值模拟 内流场分析 改型设计 |
Performance prediction and amending design of sediment separator for drip irrigation system |
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| SU Fa-zhang,SHEN Jian-feng,HAN Wei,LI Ren-nian,LI Qi-fei,LI De-shun.Performance prediction and amending design of sediment separator for drip irrigation system[J].Journal of Lanzhou University of Technology,2008,34(6). |
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| Authors: | SU Fa-zhang SHEN Jian-feng HAN Wei LI Ren-nian LI Qi-fei LI De-shun |
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| Institution: | SU Fa-zhang,SHEN Jian-feng,HAN Wei,LI Ren-nian,LI Qi-fei,LI De-shun (College of Fluid Power , Control,Lanzhou Univ.of Tech.,Lanzhou 730050,China) |
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| Abstract: | In order to improve the performance of sediment separator for drip irrigation system,the numerical simulation of solid-liquid two-phase three-dimensional turbulent flow fields in a hydrocyclone separator was conducted with the software CFD.On the basis of the results of the simulation and experiment,the problems with the flow fields in the separator available were analyzed.An amending design was carried out according to the requirements of flow dynamics of hydraulic cyclone separation and numerical simulati... |
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| Keywords: | sediment separator solid-liquid two-phase flow numerical simulation analysis of interior flow amending design |
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