1) hollow cascade
空心静叶栅
1.
Based on the time-averaged Reynolds N-S equations solved by using the control volume method, κ-ε turbulent mode and Lagrange approach and so on, 2D wet steam two-phase flow and the movement rule and deposition position of droplets in hollow cascade are analyzed.
基于利用控制容积法求解Reynolds时均的N-S方程、κ-ε湍流模型和Lagrange方法等模型,分析了空心静叶栅内部的二维湿蒸汽汽液两相流场和不同粒径的水滴沉积规律、沉积位置,同时在沉积位置开2种宽度、3个方向和不同数量的缝隙分别分析了抽吸和吹除两种方法对叶栅通道流场的影响以及去湿效果。
2.
Based on the time-averaged Reynolds N-S equations solved by using the control volume method, k-ε turbulent mode and Lagrange approach and so on, 2D wet steam two-phase flow and the movement rule and deposition position of droplets in hollow cascade are analyzed.
基于利用控制容积法求解Reynolds时均的N-S方程、k-ε模型和Lagrange方法等模型,分析了空心静叶栅内部的二维湿蒸汽汽液两相流场和不同粒径的水滴沉积规律、沉积位置,同时在沉积位置开2种宽度、3个方向和不同数量的缝隙分别分析了抽吸和吹除两种方法的去湿效果,并且根据计算的结果对各工况进行了效率分析。
2) hollow stationary blade
空心静叶
1.
On the slot suction test rig of a humid-air plane-cascade,an experimental study was conducted of the water removal performance of the suction slots on hollow stationary blades of a steam turbine.
在湿空气平面叶栅缝隙抽吸试验装置上,对汽轮机空心静叶抽吸缝隙的去水性能进行了试验研究。
2.
With and without suction slot, the secondary water droplet diameters as well as its distributions downstream of the hollow stationary blade were measured by Malvern Droplet and Particle Size Analysers.
在空气-水膜两相流动试验装置上,利用Malvern粒度分析仪对空心静叶缝隙抽吸和无抽吸条件下的静叶尾迹区二次水滴直径及直径分布进行了测量和分析。
3.
Under the suction conditions, the tearing characteristics of the liquid film at the hollow stationary blade trailing edges were experimentally studied by using the high-speed camera.
本文在空气-水膜两相流动试验装置上,利用高速摄影机对空心静叶缝隙抽吸下的静叶出口边液膜撕裂特性进行了试验研究,结果表明:缝隙抽吸可以将静叶表面上的大部分流动液膜去除掉,水份在叶片出口边之前形不成完整的流动液膜,仅表现为溪状流动,静叶出口边的撕裂形式主要为丝线状撕裂,撕裂形成的水滴数目和直径将明显地减小。
3) hollow stator blade
空心静叶
1.
The effect of the heat steam blowing through the steam turbine hollow stator blades\' slot on the size of secondary water droplets was studied on the air-water two-phase flow test rig.
在气-液两相流试验装置上研究了汽轮机空心静叶缝隙热气吹扫对二次水滴尺寸的影响,并结合数值方法分析了热气吹扫对叶栅气动性能的影响。
2.
An experiment on the performance of water film removal from hollow stator blade surfaces of a steam turbine by slot suction was conducted on an air-water two-phase flow rig with an inlet air wetness of 7%,a droplet diameter range of 1.
在气液两相流试验装置上,对汽轮机空心静叶表面水膜缝隙抽吸进行了试验研究,并结合两相流动数值方法对水滴沉积的径向分布进行了探讨。
4) stator cascade
静叶栅
1.
Numerical simulation on secondary flow control of vortex chamber in the front of turbine stator cascade;
涡漩腔控制静叶栅二次流的数值研究
2.
By adopting CFD(computational fluid dynamics)Software Fluent a numerical solution for the three-dimensional flows in turbine stator cascades featuring a big turning angle has been achieved.
采用CFD软件Fluent数值求解了大转折角涡轮静叶栅三维流动,分析了叶栅沿流向各截面二次流及叶栅的气动特性,并研究了叶高以及入口攻角变化对叶栅二次流的影响。
3.
In this paper the effects of gland leakage on the secondary flow and outlet flow fields in the governing stage stator cascade of a 300MW turbine set are simulated numerically.
以一台３００ＭＷ汽轮机组的调节级静叶栅为研究对象，就轴封漏汽对叶栅二次流及出口流场的影响进行了数值模拟。
5) stator and rotor cascades
动静叶栅
1.
In this paper, the shape of stator and rotor cascades was improved and the aerodynamic performance before and after improving was analyzed.
本文对动静叶栅分别进行优化改型,并对改型前后叶栅的气动性能进行数值分析。
6) centrifugal cascade
离心叶栅
补充资料：沈心静气
1.亦作"沉心静气"。 2.犹言心平气和。
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