variable-speed turbine

Numerical Simulation of a Cooled Turbine Curved Cascade Flow Field with Variable Specific Heat Being Taken into Account

考虑变比热的冷却涡轮弯曲叶栅流场的数值模拟

The paper describes a computational method for open degree characteristics of radial direction variable geometry swirl. With the increase of aero-engine's propulsive-weight ratio ( p/ w), the temperature ahead of turbine has increased yearly.

介绍了径向式可变几何旋流器开度特性计算方法，随着航空发动机推重比（p/w）的不断提高，涡轮前温度在逐年提高，目前先进发动机涡轮前温度高达1800K。

Study on performance prediction methods of the vertical-axis variable-pitch turbine for tidal stream energy conversion based on momentum theory

潮流发电水轮机基于动量定理的性能计算方法研究

The internal coolant channel in an actual turbine blade was simplified into a variable cross-section channel with ribs and bleeding holes.

以航空发动机涡轮叶片中段内部冷却通道为研究对象，将其简化为带肋变截面U型通道。

To improve efficiency of the stream turbine, stream turbine blades are usually designed to distortedly variable cross-section surface, its shape is complex.

为提高汽轮机的工作效率，汽轮机叶片的表面通常是设计成扭曲的变截面曲面，叶片形状十分复杂。