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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/52578

    Title: 變化斷面水質模式線性解析法之研究
    Other Titles: The linearized analytical method of water quality model with varied cross section
    Authors: 鄧祥威;Deng, Siang-wei
    Contributors: 淡江大學水資源及環境工程學系碩士班
    王士紘;Wang, Shih-hong
    Keywords: 解析解;水質模式;變量流;變化斷面;數學模式;Analytical;Varied Cross Section;water quality;Unsteady Flow;Mathematical model
    Date: 2010
    Issue Date: 2010-09-23 17:56:02 (UTC+8)
    Abstract: 本文是以數學模式利用聖凡納之水流連續方程式、動量方程式及濃度擴散方程式,推求出流量及濃度擴散之解析解,再藉由數學模式計算,使解析解更加精確,進而以解析解模擬不同斷面流量及汙染質濃度擴散分布之情形。
    This article is based on mathematical models using De Saint Venant continuity equation, momentum equation and concentration routing problem to conclude the analytical of flow and concentration extension. After that, calculating with mathematical models to obtain more precise analytical. What’s more, using analytical to simulate the flow of different sections and the concentration spreading distribution of pollutants.
    Substitution continuity equation and diffusion model equation into concentration routing problem to make it combine into a nonlinear partial differential equation. Since it is non-linear equations, which is extremely difficult to derive analytical from it. We have to substitution small perturbation into Kinematic Wave Model to linear the nonlinear part, and will reach the solution.
    Linearized Analytical Method is applied to the actual flood routing and water quality. We can calculate and estimate the situation of flow and concentration-spreading against any sections, if the information of natural channel in all sections is complete and we are aware of the accurate upstream and concentration. This could be applied to the water quality renovation of rivers.
    Appears in Collections:[水資源及環境工程學系暨研究所] 學位論文

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