1) step-down floor

跌坎
1.
Experimental study on hydraulic characteristics of underflow for energy dissipator with step-down floor;
跌坎型底流消能工水力特性的试验研究
2.
Study on stilling basin with step-down floor for energy dissipation of hydraulic jump in high dams;
跌坎型底流消力池的水力特性与优化研究
3.
The flow pattern s evolvement of the stilling basin with step-down floor for energy dissipation of hydraulic jump is analyzed.
现对跌坎式底流消能工消力池内水流流态的演变进行了初步分析,随着入池能量的变化,消力池中会产生混合流、淹没混合流、淹没底流以及远驱底流流态。
2) depth of falling-sill

跌坎深度
1.
The depth of falling-sill of falling-sill bottom-flow dissipation directly affects the hydraulic index of the energy dissipation pool.
跌坎型底流消能工的跌坎深度直接影响消力池内的水力学指标。
3) aerator with vertical drop

跌坎掺气
4) vertical drop and lateral sudden enlargement

突扩跌坎
1.
An aerator with vertical drop and lateral sudden enlargement form is tested in laboratory for the Three Gorges Projects (TGP) outlets.
通过水工模型试验研究,对三峡工程泄洪深孔采用突扩跌坎式掺气,比较了明槽坡度、挑坎高度、侧向折流器型式、出口反弧半径,以及通气孔型式和位置等因素,以优化掺气设施,保证在施工导流期及正常运行期各级库水位下(135~175m)均能形成稳定空腔,达到掺气减蚀的目的。
5) step dam

跌水坎
6) step type aerator

跌坎掺气槽
补充资料:跌跌挞挞
1.象声词。
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