| 矩形渠道半圆柱形量水槽试验研究 |
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| 引用本文： | 张鲁婧,吕宏兴,张晓斐.矩形渠道半圆柱形量水槽试验研究[J].节水灌溉,2008(11). |
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| 作者姓名： | 张鲁婧 吕宏兴 张晓斐 |
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| 作者单位： | 西北农林科技大学水利与建筑工程学院,陕西,杨凌,712100 |
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| 摘 要： | 渠道量水对灌溉节水和计划用水具有十分重要的意义.矩形渠道半圆柱形量水槽结构简单,施工方便.选择了3种收缩比,进行了一系列试验研究.应用量纲分析法建立的流量公式具有量纲和谐性,该公式简明实用,流量计算误差小于5%,临界淹没度可达0.87.
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| 关 键 词： | 渠道量水 矩形渠道 半圆柱形 量纲分析 |
Experimental Research on Semicylindrical Measuring-flume for Rectangular Canal |
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| ZHANG Lu-jing,LV Hong-xing,ZHANG Xiao-fei.Experimental Research on Semicylindrical Measuring-flume for Rectangular Canal[J].Water Saving Irrigation,2008(11). |
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| Authors: | ZHANG Lu-jing LV Hong-xing ZHANG Xiao-fei |
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| Institution: | ZHANG Lu-jing,LV Hong-xing,ZHANG Xiao-fei (College of Water Resources , Architectural Engineering,Northwest A&F University,Yang ling 712100,Shaanxi Province,China) |
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| Abstract: | Water-measuring in canals is of great significance to water saving and water planning in irrigation districts.The semicircular cylinder measuring flume has simple structure and is easy to construct.In this paper,three kinds of contraction ratios are selected and series experiments are conducted in rectangular canal.The discharge formula established by the dimensional analysis method is dimension harmonious,simple and practical.The average error of discharge calculation is less than 5% and the maximum submer... |
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| Keywords: | canal water measuring rectangular canal semicylindrical dimensional analysis |
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