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The Study on Optimal Allocation of Urban Multi-water Resources Supply System

Author: LiuAnQing
Tutor: XingGuoPing
School: Tianjin University
Course: Environmental Engineering
Keywords: urban water supply multi-water resources cost model optimization annual cost
CLC: TU991
Type: Master's thesis
Year: 2007
Downloads: 274
Quote: 0
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Abstract


It is a new direction to set up urban multi-water supply system,which brings reclaimed-water reuse and seawater utilization into it. In this way, it can not only make full use of existing water resources, but also decrease the crisis of water resource shortage. Furthermore, it can rationalize the layout of water supply, reduce investment and operating costs, and then realize the sustainable development of urban water supply.This paper is mainly about optimal allocation of water in urban multi-water supply system. With the theory of environmental engineering, system engineering, and mathematical programming methods adopted, it makes a detailed research into the correlative problems of urban multi-water resources supply system.The paper reviews the basic theory of optimal allocation of water resources and urban water supply system. Then the objects and principles system of urban multi-water supply system are established, with the traits and use of existing water resources being analyzed.The system of urban multi-water supply and use is analyzed. Based on plentiful construction investment data of water supply project collected, corresponding cost models of urban water supply projects are established. During modeling, the statistical analysis and non-linear simulating is conducted to deal with the data.Starting with the annual cost, the paper analyzes every parts of it carefully and thoroughly. With the object of minimizing the system annual cost and satisfying the requirements of water quantity and water quality, the integrated optimal model is established, and will be solved by LINGO, a mathematical tool.The water demand of Tianjin city in 2010 is forecasted. Based on the research forgoing, corresponding optimal model of water supply is established, and then solved by means of LINGO tool. According with the fact, optimal allocation scheme on Tianjin urban multi-water supply is obtained,as the requirements are satisfied. The annual cost model of urban multi-water supply is reasonable and credible via the analysis of result.

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CLC: > Industrial Technology > Building Science > Municipal Engineering > Water supply project ( on the Water Works )
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