water and sediment movement 在 水利水电工程 分类中 的翻译结果

  本文关键词：支流河口水沙运动的二维数学模型研究——以长江上游的嘉陵江河口为例，由笔耕文化传播整理发布。

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water and sediment movement

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    Study on 2 D mathematical model of water and sediment movement at the branch river estuary

    支流河口水沙运动的二维数学模型研究——以长江上游的嘉陵江河口为例

短句来源

    The calculating results using the testing information from undistorted model of Hong Sing section and using prototype observation information indicate that the stream wise water table, sectional velocity distribution and channel sedimentation from the model coincide well with prototype size of that. Those will provide basic theory for study regulation of water and sediment movement.

    重庆河段正态模型试验资料和原型观测资料计算结果表明，模型计算的沿程水位、断面流速分布和河床冲淤变化与原型资料符合较好。 为今后研究河流水沙运动规律提供了理论依据。

短句来源

    (3) Erosion mechanism in the concave bank was studied according to the water and sediment movement and the distribution of the shearing stress in the curve reach, and the stable cross-section equation was derived for the cohesive concave bank.

    (3) 通过分析弯道水沙运动和剪切力分布的特点，探讨了弯曲河道的淘刷机理，导出了粘性岸滩的稳定断面方程。

短句来源

    Then, the calculation was carried out on the 2 D model of water and sediment movement and stream bed erosion before and after the channel improvement when TGP is put into operation and the water storage level at Tunaozi reach is 135 meters or 156 meters.

    在此基础上，进行了三峡建库后，土脑子河段135m蓄水期及156m蓄水期整治前后的二维水沙运动及河床冲淤计算。

短句来源

    Study on 2 D mathematical model of water and sediment movement at the branch river estuary

    支流河口水沙运动的二维数学模型研究——以长江上游的嘉陵江河口为例

短句来源

    The calculating results using the testing information from undistorted model of Hong Sing section and using prototype observation information indicate that the stream wise water table, sectional velocity distribution and channel sedimentation from the model coincide well with prototype size of that. Those will provide basic theory for study regulation of water and sediment movement.

    重庆河段正态模型试验资料和原型观测资料计算结果表明，模型计算的沿程水位、断面流速分布和河床冲淤变化与原型资料符合较好。 为今后研究河流水沙运动规律提供了理论依据。

短句来源

    (3) Erosion mechanism in the concave bank was studied according to the water and sediment movement and the distribution of the shearing stress in the curve reach, and the stable cross-section equation was derived for the cohesive concave bank.

    (3) 通过分析弯道水沙运动和剪切力分布的特点，探讨了弯曲河道的淘刷机理，导出了粘性岸滩的稳定断面方程。

短句来源

    Then, the calculation was carried out on the 2 D model of water and sediment movement and stream bed erosion before and after the channel improvement when TGP is put into operation and the water storage level at Tunaozi reach is 135 meters or 156 meters.

    在此基础上，进行了三峡建库后，土脑子河段135m蓄水期及156m蓄水期整治前后的二维水沙运动及河床冲淤计算。

短句来源

    ENVIRONMENTAL EVOLUTION AND THE REGULARITIES OF WATER AND SEDIMENT MOVEMENT IN THE YELLOW RIVER BASIN

    黄河流域环境演变与水沙运行规律

短句来源

    2-D Mathematic Model of the Yellow River Estuarine Tidal Wave and Sediment and Its Application(Ⅱ) ——Water and Sediment Movement Process Simulation

    黄河河口二维泥沙有限元数学模型及应用(Ⅱ)——潮流和泥沙输运沉积过程模拟分析

短句来源

    A split vertical 2-D water and sediment mathematical model and 1-D density current mathematical model were set up to get the primary knowledge about water and sediment movement.

    本文分别建立坝区立面二维水沙数学模型和一维异重流模型,对坝区水沙运行情况进行模拟研究,得出坝区水沙运动的初步认识。

短句来源

    Due to an urgent need for taming the Yellow River, it is of important practical and theoretical significances to study systematically the environmental evolution and the regularities of water and sediment movement in the Yellow River basin.

    由于黄河治理任务的紧迫性,系统地研究黄河流域环境演变与水沙运行规律,有着重大的实践意义和学术意义。

短句来源

    A mixed method was employed to solve the numerical equations of water and sediment movement, and finally , a special flood process in the Lower Yellow River was calculated with the model to verify the applicability for the high sediment laden flow river.

    通过工程实例的计算验证，证实了模型所采用的基本方法是合理的，模型有较强的河床边界适应能力，，可用以解决有关多沙河流河床演变预测及浑水洪水预报的有关问题。

短句来源

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  water and sediment movement

Water and sediment movement around a coastal headland: Portland Bill, southern UK

This required file contains parameters governing water and sediment movement in the main channel of the subbasin.

This paper is based on the characteristics of water and sediment movement in the Chang Jiang Estuary, the evolution characteristics at .modern time are as follows:(1) The island and sandbank made waterway dividing into branches regulary.(2) The south side erosion and the north side deposition result in the islands and sandbanks moving northward.(3) Shifting of the thalweg of ebbflow, the South and North waterways to be thriving and degenerating alternatively. In order to make the South and Norrh waterways...

This paper is based on the characteristics of water and sediment movement in the Chang Jiang Estuary, the evolution characteristics at .modern time are as follows:(1) The island and sandbank made waterway dividing into branches regulary.(2) The south side erosion and the north side deposition result in the islands and sandbanks moving northward.(3) Shifting of the thalweg of ebbflow, the South and North waterways to be thriving and degenerating alternatively. In order to make the South and Norrh waterways of the South Branch to be stable, the following three measures are required. (1) To stabilize the dividing point and prevent its furher retreat by strong engineering structures.(2) To control the water and sediment distribution and make them basically to be balanced in the South and North water ways, and prevent the shifting of the thalweg.(3) To stabilize the Biandan sandbank and prevent violent change of shoals and channels causing large amount of sediment to move downstream.

本文从长江河口水流和泥沙运动的特性,论述长江口河床演变的特征有三:(1)沙岛浅滩使水道有规律地分汊。(2)南冲北淤沙岛北移。(3)落潮主泓摆动,南北港交替兴衰。根据这些特征对南支南北港的治理认为必要条件有三:(1)南北港分水分沙要基本平衡,防止落潮主泓的偏移。(2)固定分汊口不使继续后退。(3)稳住扁担沙,防止滩槽的剧烈变动和大量泥沙下移。

Due to an urgent need for taming the Yellow River, it is of important practical and theoretical significances to study systematically the environmental evolution and the regularities of water and sediment movement in the Yellow River basin. An outline is given in this paper concerning the important significance of this study, the content and principal objectives of the research project, the progresses made so far and the working arrangement for the near future. In the recent two year studies of this project,...

Due to an urgent need for taming the Yellow River, it is of important practical and theoretical significances to study systematically the environmental evolution and the regularities of water and sediment movement in the Yellow River basin. An outline is given in this paper concerning the important significance of this study, the content and principal objectives of the research project, the progresses made so far and the working arrangement for the near future. In the recent two year studies of this project, a series of background values have been obtained which can be used as a basis for revealing the environmental evolution, and the understanding has been deepened concerning the regularities of water and sediment movement. All these have accumulated valuable and reliable scientific data for comprehensive analises and all-aspect studies in the coming two years.

由于黄河治理任务的紧迫性,系统地研究黄河流域环境演变与水沙运行规律,有着重大的实践意义和学术意义。本文就该项目研究的重要意义、项目内容与主攻目标、研究进展和下一步工作打算作了简要的阐述。近二年来本项研究取得了一系列环境变化背景值,深化了水沙运行规律的认识,为今后二年的综合分析和全面总结,积累了可靠的科学数据。

Sanmenxia water control project is the first multi purpose project built on the trunk of the Yellow River.The constructiou of Sanmenxia project has caused great changes in scouring and silting in the middle and lower course of the Yellow River. Through the practice of Sanmenxia project, valuable experiences have been accumulated concerning the understanding and harnessing of the Yellow River and the construction and management of...

Sanmenxia water control project is the first multi purpose project built on the trunk of the Yellow River.The constructiou of Sanmenxia project has caused great changes in scouring and silting in the middle and lower course of the Yellow River. Through the practice of Sanmenxia project, valuable experiences have been accumulated concerning the understanding and harnessing of the Yellow River and the construction and management of projects on a muddy river. By use of the collected data and research results, and the method of system analysis, the main laws of scouring and silting caused by the reservoir are developed in this paper, which conform to the law and characteristics of water and sediment movement in muddy river.

为了分析多沙河流上水利工程对水沙运动规律的影响，根据三门峡工程的运用实践、实际资料以及以往的研究成果，应用系统工程方法分析了三门峡水库对黄河冲淤的主要原因．结果表明，水利工程对多沙河流水沙运动特性的影响具有一定的规律

  本文关键词：支流河口水沙运动的二维数学模型研究——以长江上游的嘉陵江河口为例，由笔耕文化传播整理发布。