知识与财富的链接
弥散系数是研究河流中突发性污染物对生态和人类影响的重要指标.为了获得竂底地下河地表明流段的弥散系数,在该河明流段进行了示踪试验,并在距示踪剂(NaCl)投放处下游21,585,960 m和1385 m的4个点进行明流段水的电导率和氯离子含量测试,利用示踪试验所获得数据,通过解析法算得弥散系数,得出该河明流段的平均流速为0.137 m/s,弥散系数为0.227 2 m/s.
Dispersion coefficient is an important factor in studying the impact of accidental pollution event in rivers on ecology and human beings.In order to obtain the dispersion coefficient of Zhaidi underground river,tracer test was conducted in open flow reach of the river.The electrical conductivity and chloride ion contents of flow were measured at downstream 21 m,585 m,960 m and 1 385 m of tracer dropping points.The study on measured data by analytic method show that the average flow velocity and dispersion c...
