| 可调叶片高比转速混流泵内部流场数值模拟 |
| |
| 引用本文： | 王春林,郑海霞,张浩,司艳雷. 可调叶片高比转速混流泵内部流场数值模拟[J]. 现代铸铁, 2009, 0(1) |
| |
| 作者姓名： | 王春林 郑海霞 张浩 司艳雷 |
| |
| 作者单位： | 江苏大学能源与动力工程学院 |
| |
| 基金项目： | 国家自然科学基金资助项目(50476068) |
| |
| 摘 要： | 运用商用软件Fluent,采用雷诺时均N-S方程、标准k-ε湍流模型、流体机械模型中的多重参考坐标系模型(MRF),对不同安放角的3个高比转速混流泵模型进行了数值模拟与结果分析.主要分析了设计工况下0°安放角的模型叶轮进口最高点截面的绝对速度和静压分布.详细分析和比较了3个模型的叶片压力面静压分布云图、叶片压力面相对速度分布云图、导叶压力面静压分布云图,捕捉到了安放角为+4°时叶片进口接近轮缘处流体撞击轮缘形成的小回流.简要分析了安放角为0°的模型泵导叶压力面相对速度分布,可知导叶充分发挥了其转能与消除环量的作用.分析结果揭示了高比转速混流泵内部流动规律.
|
| 关 键 词： | 混流泵 叶片 模型 数值模拟 流场 |
Numerical simulation for adjustable high specific speed mixed-flow pump |
| |
| Wang Chunlin; Zheng Haixia; Zhang Hao; Si Yanlei. Numerical simulation for adjustable high specific speed mixed-flow pump[J]. Modern Cast Iron, 2009, 0(1) |
| |
| Authors: | Wang Chunlin Zheng Haixia Zhang Hao Si Yanlei |
| |
| Affiliation: | Wang Chunlin; Zheng Haixia; Zhang Hao; Si Yanlei(School of Energy and Power Engineering; Jiangsu University; Zhenjiang; Jiangsu 212013; China); |
| |
| Abstract: | Three kinds of adjustable high specific speed mixed-flow pump were simulated by using commercial software Fluent.Reynolds time-averaged N-S equations and the standard k-ε turbulent model were adopted.Multiple reference frame model of rotating fluid mechanical model was used.Absolute velocity and static pressure distribution of the cross-section of the highest point at entrance of blade of 0 riding angle model were mainly analyzed.Relative velocity and static pressure of the pressure surface of the impeller ... |
| |
| Keywords: | mixed-flow pump blade model numerical simulation flow field |
| 本文献已被 维普 等数据库收录！ |
