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CARRYING CAPACITY OF A FLOW WITH FLOW ROUNDING UNDER PERMAFROST CONDITIONS

机译:在永久冻土条件下具有流量的流量的承载能力

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摘要

Under natural conditions in winter, narrowing of a flow due to partial freezing of the channel and formation of a slush ice run or ice jam, as a result of which flow speeds increase in sections of the turn of the channel, is characteristic. Laboratory experiments that have been carried out in the rotary installation of the hydraulics laboratory at the to model such a section, have shown that if the flow speeds entering the curvature increase or there is an increase in the Reynolds number, vortex motions and counterflows at the inner slope inevitably occur, which inevitably is shown in the nature of the channel washout.
机译:在冬季的自然条件下,由于通道的局部冻结和形成浸泡冰跑或冰堵塞的狭窄而导致的流动缩小,因此流动速度在通道转弯的部分增加,是特征。 在液压实验室的旋转安装中进行了实验室实验,在这种部分的液压实验室中,已经表明,如果进入曲率的流速增加或者雷诺数量增加,涡流运动和逆流 内斜率不可避免地发生,这不可避免地示出了通道冲洗的性质。

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  • 来源
    《Hydrotechnical Construction》 |2020年第3期|313-317|共5页
  • 作者单位

    Institute of Water Problems Russiac Academy of Sciences Moscow Russia;

    Institute of Water Problems Russiac Academy of Sciences Moscow Russia;

    Institute of Water Problems Russiac Academy of Sciences Moscow Russia;

    Peoples' Friendship University of Russia Moscow Russia Moscow Automobile and Road Construction State Technical University Moscow Russia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    flow rounding; counterflow; eddies; soil erosion; thawing;

    机译:流量舍入;逆流;eddies;水土流失;解冻;

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