文章摘要:
Simulative Calculation on Water Quality Equalization by Using Mathcad
HAN-Li, Pang-QingJiang, ZHANG Yu-lei*
(College of Hydraulic Civil Engineering, Shandong Agricultural University, Taian, 271018,China)
Abstrac......
Simulative Calculation on Water Quality Equalization by Using Mathcad
HAN-Li, Pang-QingJiang, ZHANG Yu-lei*
(College of Hydraulic Civil Engineering, Shandong Agricultural University, Taian, 271018,China)
Abstract: By using the software Mathcad, the simulative calculation on water quality equalization has been made on a typical water sample. Five kinds of mathcad worksheet used commonly the compiling method of mathcad worksheet and the simulative calculation procedure for the minimum effective volume of the equalization basin is presented. The reason for the subtle different in the results of different method is also explained. At last the author shows us the function of water quality equalization by polar diagram.
Keywords: equalization basin; water quality; equalization; Mathcad; simulate
由于均质过程受水质数据和水量数据两个方面的不均匀特征共同影响,所以没有可靠的直观和经验方法用来确定均质池池容,只有通过对过程的模拟才能准确获得均质池池容。在设计中模拟方法的应用除了要正确理解均化过程外,在均质池池容计算方法基础上,给出便利的模拟手段显得十分重要。对具体废水,除了用算法语言编制程序来模拟计算外,还可以使用通用计算软件来完成。
本文介绍使用Mathcad软件来完成均质池池容模拟计算的方法。
1 均质池模拟计算示例数据的读取与处理
废水水量水质数据以纯文本文件写成三列第一列为时段序数i,第二列为进水流量Qi,第三列为进水浓度ai。
计算示例24小时为一个不均匀变化周期,监测时间间隔Δt为1小时,所有水量水质数据写在文本文件中,本示例数据文件为:tjcdata6.txt,内容如下:
i
Qi
ai
i
Qi
ai
0
0.100
60.0
12
0.325
170
1
0.120
90.0
13
0.330
175
2
0.205
130
14
0.365
210
3
0.355
175
15
0.400
280
4
0.410
200
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