1) vortex rope
涡带
1.
Numerical simulation of three-dimensional unsteady vortex rope turbulent flow occurred to the draft tube of a Francis turbine
三维非定常湍流尾水管涡带数值模拟
2.
This paper numerically simulated the flow in draft tube of the Three Gorge′s prototype using non-steady RNS turbulence model and detailed analyzed the law of motion of the vortex rope as well as the frequency and phase characteristics of the water pressure pulsation produced yet it.
分析了涡带的运动规律及其产生的水压力脉动的频率特性与相位特性和计算结果产生误差的原因,给出了改进的措施。
3.
The flow in a hydraulic turbine including the guide vane, the turbine and the draft tube was analyzed by solving the three-dimensional, unsteady Reynolds-averaged Navier-Stokes (RANS) equations with the RNG k-ε turbulence model to investigate the pressure fluctuations due to the vortex rope at partial loads.
通过求解包括导叶、转轮、尾水管3大过流部件在内的水轮机流道内的三维不稳定Reynolds平均Navier-Stokes方程,获得了不同开度部分负荷下的尾水管压力脉动特征和涡带特征。
2) vortex band
涡带
1.
3 unit in Three Gorges Hydropower Station as examples, the running stability in the low-load zone, vortex band vibration zone and high-road zone is analyzed respectively.
以三峡电厂左岸3号机组稳定性试验数据为例,分析机组小负荷区、涡带振动区、大负荷运行区的运行稳定性,为保障机组安全稳定运行提供了实测依据和建议。
2.
By means of the hydraulic model of the Pengyuepu pumping station, some hydraulic characteristics are observed and analyzed, such as the flow velocity distribution over the vortex bands in the channel and in front of the inlet of the channel, the flow v.
结合彭越浦泵站水工模型试验 ,对双向流道进口前漩涡及流道内的涡带、喇叭口附近流速分布、水泵起动及稳定运行过程中流道内的脉动压力和进出水流道的水头损失等水力特性进行全面的观测和分析 ,提出在流道内设置垂直隔板及导流锥加隔板两种消涡的工程措施 。
3) vortex zone
涡带
1.
6 generator unit of Three Gorges Hydropower Plant, under various operation points such as: part load, vortex zone load, full load.
根据试验分析结果,可将机组运行工况划分为小负荷区、涡带振动区、大负荷运行区。
4) vortex
[英]['vɔ:teks] [美]['vɔrtɛks]
涡带
1.
Research on the Influence Factors and Model Test Method of Vortex Pressure Fluctuation;
水轮机涡带压力脉动影响因素及模型试验方法的研究
2.
Researches have revealed that the vortex in the draft tube is the principal reason to unit vibration.
混流式水轮机尾水管压力脉动是造成机组运行不稳定的重要原因,严重的脉动甚至会威胁厂房的安全,而尾水管涡带是产生压力脉动的首要原因。
5) vibration of vortex
涡带共振
6) leakage-vortex
泄漏涡带
补充资料：板带轧制速度规程(见板带轧制规程设计)
板带轧制速度规程(见板带轧制规程设计)
speed schedule for plate and strip rolling
bandai zhazhi sudu guieheng板带轧制速度规程(speed seheduxe fo:plateand strip rolling)见板带札制规程设计。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条