枢纽与电站水力学

大型分层取水电站进口水力学研究进展

  • 段文刚 ,
  • 王才欢 ,
  • 杜兰 ,
  • 薛阿强
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  • 长江科学院水力学研究所,武汉430010
段文刚(1972-),男,河南南阳人,高级工程师,硕士,主要从事电站水力学和枢纽泄洪消能方面的研究,(电话)13971302339(电子信箱)ckydwg@163.com。

收稿日期: 2013-05-03

  修回日期: 2013-08-13

  网络出版日期: 2013-08-13

Research Progress of the Hydraulics at the Inlet of Multi-level Intakeof Large Hydropower Station

  • DUAN Wen-gang ,
  • WANG Cai-huan ,
  • DU Lan ,
  • XUE A-qiang
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  • Hydraulics Department, Yangtze River Scientific Research Institute, Wuhan 430010, China

Received date: 2013-05-03

  Revised date: 2013-08-13

  Online published: 2013-08-13

摘要

电站分层取水是近年学术研究和工程实施热点,目前大型分层取水电站多采用叠梁门方式。基于此,介绍了国内外分层取水电站进水口研究现状,并对今后研究方向提出建议:①鉴于叠梁门分层取水方式显著增加进口段水头损失(1~2m),应探索减小水头损失的叠梁门布置与体型;②考虑到水库温度分层对水流黏滞性影响较大,应开发完善包含水流黏滞性变量的数值模型,从而使进口流场流速模拟和下泄水温预测精度更高;③随着大型分层取水电站不断兴建并投入运用,建议逐步开展相应的原型观测研究,以便后续工程参考借鉴。

本文引用格式

段文刚 , 王才欢 , 杜兰 , 薛阿强 . 大型分层取水电站进口水力学研究进展[J]. 长江科学院院报, 2013 , 30(8) : 5 -9 . DOI: 10.3969/j.issn.1001-5485.2013.08.0;2013,30(08)

Abstract

The multi-level intake of hydropower station has been a hot issue in research and construction. Stoplog gate is usually adopted at the inlet of the multi-level intake. Researches in China and abroad on the inlet are reviewed in this paper, and the orientations of future research are proposed ①since the stoplog gate remarkably increases head loss at the inlet segment by 1-2m, the configuration and shape of stoplog gate which could help reduce the head loss should be paid attention to; ②stratified water temperature in the reservoir has big influence on the water viscosity, so numerical model which includes the water viscosity variable should be developed to improve the reliability and accuracy of flow field and flow velocity simulation at the inlet and discharged water temperature prediction; ③in addition, with the continuous construction and operation of big hydropower stations with multi-level intake, more prototype observation should be carried out.

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