1) vibrating cascade
振动叶栅
1.
Using the Dual-Time Stepping Method with Moving-Grid technique to solve the Navier-Stokes equations, the numerical analysis of the unsteady aerodynamics on vibrating cascade is performed.
利用双时间方法结合运动网格求解Navier -Stokes方程 ,完成了振动叶栅非定常气动力的数值分析。
2) oscillating cascade
振荡叶栅
1.
Numerical analysis of three-dimensional unsteady flow around oscillating cascades;
振荡叶栅三维非定常流动数值分析
2.
A numerical study of unstalled two dimentional flow on an oscillating cascade
非失速二维振荡叶栅非定常流动数值模拟研究
3.
Numerical simulations of two dimensional unsteady viscous flow around oscillating cascades are carried out with the four-step Runge-Kutta explicit method and moving grid technique.
采用显式四步Runge Kutta格式 ,结合Baldwin Lomax紊流模型求解Navier Stokes方程 ,借助运动网格技术 ,完成了对二维振荡叶栅非定常粘性流动的数值模拟。
3) cascade flow
叶栅流动
1.
By using a numerical calculation method compared and studied is the influence of different circumferential curving of guide vanes on cascade flow performance.
应用数值计算的方法 ,比较研究了某型导叶叶片不同周向弯曲对叶栅流动性能的影响 ,结果包括总压损失系数、出口气流静压、马赫数沿叶高分布。
4) 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。
5) rotor cascade
动叶栅
1.
The secondary and separation flow behavior of the small aspect ratio rotor cascade of steam turbine governing stage at off-design conditions is of interest because the large power units are now working also to adjust the peak demand.
对大功率汽轮机组提出的承担调峰任务的要求使得调节级小展弦比动叶栅非设计工况下的二次流与分离流特性受到关注。
2.
The development of secondary vortices and the aerodynamic characteristics of a small aspect ratio turbine rotor cascade in moving state are analyzed by solving the three-dimensional time-averaged Navier-Stokes equations using control volume method and consistent pressure-correction technique.
采用控制容积积分法和协调一致压力修正算法数值求解三维稳态时均N-S方程组,对一小展弦比透平动叶栅在旋转状态下的二次流涡系演变和三维气动特性进行了分析。
3.
The development of the secondary flow vortices and aerodynamic characteristics of a low aspect ratio rotor cascade is numerically analyzed by using the control volume approach and SIMPLE-Consistent algorithm to solve the three-dimensional steady time-averaged N-S equations closed with the realizable k-ε turbulence model.
采用控制容积积分法和协调一致的求解压力耦合方程的半隐算法 ,数值求解了三维稳态时均N S方程组 ,并应用可实现k -ε湍流模型 ,计算分析了低展弦比透平动叶栅二次流涡系的演变特点及叶栅气动特性 。
6) rotating cascade
转动叶栅
补充资料：点振子振动和点电极振子振动
分子式：
CAS号：
性质：又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内，形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积，且与厚度有适宜的匹配关系。在交变电场作用下，沿厚度方向产生振动，其振幅随着至电极中心距离的增加，呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄，有时考虑到压电陶瓷自身强度太低，可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。
CAS号：
性质：又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内，形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积，且与厚度有适宜的匹配关系。在交变电场作用下，沿厚度方向产生振动，其振幅随着至电极中心距离的增加，呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄，有时考虑到压电陶瓷自身强度太低，可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。
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