摘要
通过恒定流试验对平底廊道反弧形阀门净动水启门力进行了研究,结果表明:1)底缘压力下降是反弧形阀门产生净动水启门力的最主要原因;2)各开度下反弧形阀门净动水启门力与孔口水流弗劳德数的平方成线性关系;3)阀门厚度变化对反弧形阀门最大净动水启门力影响较小。
Net hydrodynamic uplifting force of reversed tainter value in flat-bottom galleries of high-head lock was studied through steady flow tests, main result as follows： 1） The pressure decreased on hemline is the main reason that increase net hydrodynamic uplifting force; 2） The net hydrodynamic uplifting force of reversed tainter value has linear relation with square of Froude number of orifice current in every opening; 3） The thickness change of value has little influence on the maximum net hydrodynamic uplifting force.
出处
《水运工程》
北大核心
2016年第12期82-88,共7页
Port & Waterway Engineering
基金
国家重点研发计划(2016YFC0402001)
关键词
高水头船闸
反弧形阀门
恒定流
净动水启门力
净动水压力分布
high-hesd lock
reversed tainter value
steady flow
net hydrodynamic uplifting force
net hydrodynamic pressure distribution
