摘要
本文通过对汾河汾西灌区常用的三种测流方法进行比较分析 ,提出其各自的优缺点及最佳适用范围。同时 ,就三种测流方法在运用中由于主客观因素引起的误差作了详尽的剖析 ,进一步促进了灌区的科学合理用水。
Three flow measurement methods,namely,hydraulic structure one,velocity meter one,and surface float, one often used in Fenxi irrigation district of the Fenhe River are compared,the advantages and disadvantages and best application scope of each flow measurement method are put forward. Their errors caused by subjective and objective factors in practice are also analysed in detail to make the irrigation district more scientifically and rationally use water.
出处
《山西水利科技》
2000年第1期86-87,共2页
Shanxi Hydrotechnics
关键词
误差分析
测流
灌区
流速仪
Error Analysis Flow Measurement Irrigation District