Abrupt Deflected Supercritical Water flow in Sloped Channels

被引:0
作者
Ya-kun Liu
Han-gen Ni
机构
[1] Dalian University of Technology,State Key Laboratory of Coastal and Offshore Engineering
来源
Journal of Hydrodynamics | 2008年 / 20卷
关键词
shock wave; abrupt deflection of supercritical water flow; slopping channel;
D O I
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中图分类号
学科分类号
摘要
The effect of the bottom slope on abrupt deflected supercritical water flow was experimentally and theoretically studied. Model tests were conducted in a flume of 1.2 m wide and 2.6 m long with sloped bottom at an angle 35.54°, its length of deflector was 0.2 m and the deflection angles were 15° and 30°. An approximate method for calculatjng the shock wave angle and depth ratio of the abrupt deflected supercritical water flow was suggested, and a correction coefficient for the hydrodynamic pressure was introduced to generalize the momentum equation in the direction perpendicular to the shock front. It must be noticed that in the sloped channel the shock wave angle and the depth ratio are no longer constant as those in the horizontal channels, but slowly change along the shock front. The calculated results are in good agreement with measured data.
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页码:293 / 298
页数:5
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