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Modelling periphyton in irrigation canals

机译:灌溉渠水生植物建模

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Periphyton developments in water distribution canals induce major disturbances for system management, such as clogging problems when fixed algae are detached. Periphyton models can be used to simulate and improve canal management. The purpose of this paper is to review the periphyton models which integrate a hydrodynamic effect, and to discuss their relevance for application in open-channels. Afterwards, a new model of periphyton detachment that integrates the hydrodynamic factor is proposed. An experiment in semi-real conditions is performed to compare periphyton development under four different hydrodynamic regimes. The proposed model is compared on experimental results with two existing models. The new model reproduces well the periphyton dynamics in the four canals simultaneously.
机译:配水渠周围的浮游生物的发展引起系统管理的重大干扰,例如分离固定藻类时出现堵塞问题。附生动物模型可用于模拟和改善运河管理。本文的目的是回顾集成了水动力效应的水生植物模型,并讨论它们在明渠中应用的相关性。然后,提出了一个新的结合水动力因子的水生植物脱离模型。在半真实条件下进行了一项实验,以比较四种不同水动力条件下水生植物的发育。将所提出的模型与两个现有模型的实验结果进行比较。新模型可以同时很好地再现四个运河的围生植物动态。

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