上游土壤类型对流域泥沙量的影响

Rahim Shamsoddini, Bahador Abolpour, Yi Zhao
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引用次数: 0

摘要

摘要上游地表径流填泥是水库大坝维护的难题之一。上游河床的材质对储层的充填有重要影响。本文采用Herschel-Bulkley模型,研究了剪切-增厚和剪切-减薄两种模式下上游动层对储层的充填速率。为此,开发了两相牛顿-非牛顿SPH代码,该代码具有湍流效应、表面张力、自由表面和粒子位移等特殊功能。然后用实验结果对计算代码进行评估,最后用于研究上述主要问题。考虑了5种不同类型的活动床,并讨论了这些物料对下游储罐的填充率。结果表明,在Herschel-Bulkley模型的参数中,屈服应力是最有效的因素。披露声明作者未报告潜在的利益冲突。数据可用性声明本研究期间生成和分析的数据集可根据通讯作者的合理要求提供。
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The effect of upstream soil type on the amount of catchments sediment
ABSTRACTMud filled by upstream surface runoff is one of the problems in maintaining the reservoir and dam. The material of upstream bed has a significant effect on the filling of reservoirs. In the present work, the filling rate of the reservoir from the upstream movable bed is investigated by using the Herschel–Bulkley model in both shear-thickening and shear-thinning modes. For this, a two-phase Newtonian-non Newtonian SPH code was developed that has special capabilities such as turbulence effects, surface tension, free surface, and particle displacement. This computational code is then evaluated by the experimental results in addition to finally used to investigate the main problem mentioned above. Five different models of movable beds with are considered, and the filling rate of the downstream tank with these materials is discussed. The results show that among the parameters of the Herschel–Bulkley model, the yield stress is more effective than other factors. Disclosure statementNo potential conflict of interest was reported by the author(s).Data availability statementThe datasets generated during and analysed during the current study are available from the corresponding author on reasonable request.
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来源期刊
CiteScore
2.90
自引率
16.70%
发文量
31
期刊介绍: JAWER’s paradigm-changing (online only) articles provide directly applicable solutions to water engineering problems within the whole hydrosphere (rivers, lakes groundwater, estuaries, coastal and marine waters) covering areas such as: integrated water resources management and catchment hydraulics hydraulic machinery and structures hydraulics applied to water supply, treatment and drainage systems (including outfalls) water quality, security and governance in an engineering context environmental monitoring maritime hydraulics ecohydraulics flood risk modelling and management water related hazards desalination and re-use.
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