| CAVITATION INCEPTION OF GATE SLOTS |
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| 引用本文： | Jin Tai-lai Liu Chang-geng Liu Xiao-mei Institute of Water Conservancy and Hydroelectric Power Research,Beijing 100044,P.R,China. CAVITATION INCEPTION OF GATE SLOTS[J]. 水动力学研究与进展(B辑), 1993, 0(2) |
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| 作者姓名： | Jin Tai-lai Liu Chang-geng Liu Xiao-mei Institute of Water Conservancy and Hydroelectric Power Research Beijing 100044 P.R China |
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| 作者单位： | Jin Tai-lai Liu Chang-geng Liu Xiao-mei Institute of Water Conservancy and Hydroelectric Power Research，Beijing 100044，P.R，China |
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| 摘 要： | This paper,starting with field investigation,gives a comprehensive review ofthe hydraulic design and performance of gate slots in 85 existing projects covering 158 gates ofvarious dimension and operating head.Systematic model tests have been conducted in a watertunnel to optimize the configuration of gate slots.Main parameters affecting cavitation inceptionhave been studied,such as the ratio of width to depth,the relative offset,the slope of side wall.as well as the radius of curvature of slot's corner.The scale effects of cavitation modelling arepreliminarily verified.The conformity between model studies and prototype inspections is quiteagreeable.Conclusion and suggestion are made to meet the demand of hydraulic design of gatesolts.
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CAVITATION INCEPTION OF GATE SLOTS |
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| Jin Tai-lai Liu Chang-geng Liu Xiao-mei Institute of Water Conservancy and Hydroelectric Power Research,Beijing ,P.R,China. CAVITATION INCEPTION OF GATE SLOTS[J]. Journal of Hydrodynamics, 1993, 0(2) |
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| Authors: | Jin Tai-lai Liu Chang-geng Liu Xiao-mei Institute of Water Conservancy Hydroelectric Power Research Beijing P.R China |
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| Affiliation: | Jin Tai-lai Liu Chang-geng Liu Xiao-mei Institute of Water Conservancy and Hydroelectric Power Research,Beijing 100044,P.R,China |
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| Abstract: | This paper,starting with field investigation,gives a comprehensive review of the hydraulic design and performance of gate slots in 85 existing projects covering 158 gates of various dimension and operating head.Systematic model tests have been conducted in a water tunnel to optimize the configuration of gate slots.Main parameters affecting cavitation inception have been studied,such as the ratio of width to depth,the relative offset,the slope of side wall. as well as the radius of curvature of slot's corner.The scale effects of cavitation modelling are preliminarily verified.The conformity between model studies and prototype inspections is quite agreeable.Conclusion and suggestion are made to meet the demand of hydraulic design of gate solts. |
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| Keywords: | cavitation inception gate and valves gate slot |
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