[1]向 星,邓 军*,陈 藜,等.旋流竖井中部消能水垫数值模拟分析研究[J].江苏水利,2017,(12):54-57.
　XIANG Xing,DENG Jun,CHEN Li,et al.Numerical simulation analysis on the energy dissipation water cushion in the middle part of gyrating shaft well[J].JIANGSU WATER RESOURCES,2017,(12):54-57.
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旋流竖井中部消能水垫数值模拟分析研究()
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《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年12期
页码:
54-57
栏目:
工程建设
出版日期:
2018-01-05

文章信息/Info

Title:
Numerical simulation analysis on the energy dissipation water cushion in the middle part of gyrating shaft well
文章编号:
1007-7839（2017）12-0054-04
作者:
向 星; 邓 军*; 陈 藜; 陈鑫淼
四川大学水利水电学院，四川 成都 610065
Author(s):
XIANG Xing; DENG Jun; CHEN Li; CHEN Xinmiao
College of Water Resource ＆ Hydropower，Sichuan University，Chengdu 610065，Sichuan
关键词:
数值模拟; 旋流竖井; 消能水垫; 消能效果
Keywords:
numerical simulation; gyrating shaft well; energy dissipation water cushion; energy dissipation effect
分类号:
TV735
文献标志码:
B
摘要:
采用数值模拟的方法，以现阶段实际工程应用中，最大流量竖井旋流泄洪洞为研究对象，对竖井中部形成的消能水垫进行分析研究，得到结论：在流量667 m3/s 时，收缩面直径为6.6 m、上收缩角为20°，竖井中部成功形成预想的消能水垫；相同工况下，在消能水垫装置上方，及其下方一定范围内，高程相同的位置，设置消能水垫后水流的壁面流速均小于不设置消能水垫时的壁面流速，即消能水垫装置起到了一定的消能效果。
Abstract:
Taking the maximum flow gyrating shaft well tunnel spillway in the practical application at present as a research object, the energy dissipation water cushion formed in the middle part of gyrating shaft well was analyzed by using the method of numerical simulation.The conclusion was drawn: when the flow rate was 667m3/s,the diameter of the contraction surface was 6.6 meter, the upper shrinkage angle is 20°, and the expected energy dissipation water cushion was successfully formed in the middle part of the shaft.Under the same conditions, above and below a certain range of the energy dissipation water cushion device, at the same elevation, the wall velocity of flow after setting energy dissipation water cushion were lower than the wall velocity when the energy dissipation water cushion was not set.That is, the energy dissipation device did have a certain energy dissipation effect.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2017-08-12
作者简介：向星（1996-），男，本科生，研究方向为水工水力学。
通讯作者：邓军（1973-），男，教授，研究方向为水工水力学。
更新日期/Last Update: 2017-12-15