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| 圆管螺旋流局部起旋器与出口段流速分布 | |
| 引用本文： | 孙西欢,孙雪岚,赵运革,杨世创.圆管螺旋流局部起旋器与出口段流速分布[J].太原理工大学学报,2003,34(2):122-125. |
| 作者姓名： | 孙西欢 孙雪岚 赵运革 杨世创 |
| 作者单位： | 1. 太原理工大学,建筑与环境工程学院,山西,太原,030024 2. 山西省运城市,水利勘察院,山西,运城,040004 3. 太原市,尖草坪区水利局,山西,太原,030009 |
| 基金项目： | 山西省自然科学基金资助项目 (9710 3 8) |
| 摘 要： | 探讨了圆管螺旋流的局部起旋器，并在试验的基础上，对圆管螺旋流局部起旋器出口段周向流速和轴向流速分布特性进行了研究，同时分析了其形成的机理，研究表明，受水流惯性与黏性的作用，周向流速分布由部分断面渐变为全断面线性分布；轴向流速分布则受周向旋转水流运运作用，流速分布坦化为类对数分布，这对进一步研究圆管螺旋流输固具有重要的价值。 |
| 关 键 词： | 出口段 圆管螺旋流 局部起旋器 流速分布 泥沙淤积 水库 输沙管道 |
| 文章编号： | 1007-9432(2003)02-0122-04 |
| 修稿时间： | 2002年9月13日 |
Experimental Research on the Local Generator and the Outlet Velocity Distribution of Spiral Flow in Circular Pipe |
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| SUN Xi huan ,SUN Xue lan ,ZHAO Yun ge ,YANG Shi chuang.Experimental Research on the Local Generator and the Outlet Velocity Distribution of Spiral Flow in Circular Pipe[J].Journal of Taiyuan University of Technology,2003,34(2):122-125. | |
| Authors: | SUN Xi huan SUN Xue lan ZHAO Yun ge YANG Shi chuang |
| Institution: | SUN Xi huan 1,SUN Xue lan 1,ZHAO Yun ge 2,YANG Shi chuang 3 |
| Abstract: | In this paper, the spiral flow local generator is studied,and the distribution of circumferential velocity and axial velocity in outlet section of it in circular pipe are investigated by use of laboratory tests. The mechanism of their a development are analyzed. The research presents that the circumferential velocity distribution is a linear function. With the effect of inertia and viscosity, it gradually becomes whole cross section from partial cross section. The circumferential revolving acts on the axial velocity distribution, and makes it become a similar logarithm distribution. It has important value to study on grain hydrotransport by spiral flow in further. |
| Keywords: | circular pipe spiral flow spiral flow local generator velocity distribution |
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