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Study on the Optimum Design of Sewage Networks

Author: ZhangChuangHu
Tutor: JinJianHua
School: Wuhan University of Technology
Course: Municipal Engineering
Keywords: Sewer network Optimal design Cost function
CLC: TU992
Type: Master's thesis
Year: 2004
Downloads: 434
Quote: 2
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Abstract


Water is one of the substances indispensable in people's daily life . The use of water by people living become the domestic sewage and industrial wastewater , water use by the industrial enterprises . The basic task of the sewage pipe network is timely , safe , unobstructed to collect and convey sewage to the sewage treatment facilities . Sewage pipe network optimization design engineering optimization . Sewage pipe network optimization design includes two aspects : First, the optimal choice of pipeline layout ; : decision diagram method , simple gradient method to optimize the tree method . Second , in the case of pipeline layout has been set the pipeline parameter optimization ; method : linear programming, nonlinear programming , dynamic optimization method , genetic algorithm optimization method directly . This paper studies the second aspect . In view of the constraints of the sewer network more , and sometimes the ever-changing terrain , has a direct , intuitive and easy to verify that the characteristics of direct optimization method , so this article direct optimization method . The two-phase optimization method is a direct optimization method , its core is mainly from two aspects to optimize the design of the sewage pipe network , that premise to meet the constraints of the sewage pipe network , first select the smallest possible the flow velocity is selected as large as possible fullness . In this paper the idea of ??optimization , using Visual basic language preparation to optimize the design of the program , and to optimize the design process using man-machine dialogue , to optimize the design of the sewage pipe network . Sewage pipe network optimization design optimization, including pipeline connection checking wells do elaborate . The cost function of the drainage network and drainage network optimization is an important topic in the design . In this paper, through the analysis of the main factors in the cost function of the drainage network , invert the cost function in the form of new drainage network , and regression analysis using SPSS statistical software the various drainage network cost function , confirmed the new drainage network cost function and than other drainage network cost function more the better function .

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CLC: > Industrial Technology > Building Science > Municipal Engineering > Drainage works ( ditches works,sewer works)
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