| 一种改善水槽尾部流态的新型斜拉孔板尾门 |
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| 引用本文： | 奚斌,郑松乔,黄才安,杨鹏飞.一种改善水槽尾部流态的新型斜拉孔板尾门[J].实验流体力学,2002,16(1):56-60. |
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| 作者姓名： | 奚斌 郑松乔 黄才安 杨鹏飞 |
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| 作者单位： | 扬州大学水利与建筑工程学院,江苏,扬州,225009 |
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| 基金项目： | 扬州大学科研基金资助项目 |
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| 摘 要： | 为了改善水槽尾门对水槽尾部流态的影响 ,从几种常用水槽尾门对流态影响的分析入手 ,结合明渠流速分布对数公式和小孔口自由出流公式 ,并根据分层来流量与孔口出流量相等的原则 ,推导出一种新型斜拉孔板尾门开设孔径的计算公式。经验证 ,用该公式设计的新型斜拉孔板尾门对水槽尾部的流态影响较小 ,在水槽总长度不变的前提下 ,可增加水槽的有效工作长度
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| 关 键 词： | 水槽尾门 流态 速度分布 孔径 |
| 文章编号： | 1007-3124(2002)01-0056-05 |
| 修稿时间： | 2001年7月24日 |
A new type of movable inclined tail gate for improving flume flow pattern |
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| XI Bin,ZHENG Song qiao,HUANG Cai an,YANG Peng fei.A new type of movable inclined tail gate for improving flume flow pattern[J].Experiments and Measur in Fluid Mechanics,2002,16(1):56-60. |
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| Authors: | XI Bin ZHENG Song qiao HUANG Cai an YANG Peng fei |
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| Abstract: | In order to improve the effects of flume on its flow pattern at the tail gate,through analyzing of the influence of several commonly-used tail gates upon their flow patterns at their tail segments, and combining the formula of logarithm velocity distribution and that of free discharge from small orifices, a formula of calculating orifice diameter in a new inclined dragging tail gate is deduced. It has been validated that the new designed gate has less influence upon the flow pattern at the tail segment and the effective working length of the flume can be increased without increasing its total length. |
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| Keywords: | tail gate of flume flow pattern distribution of velocity diameter of orifice |
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