variable geometry engine

The pressure charging regulation ( PCR) system of high-pressure common-rail diesel engine was used as object for control strategy, advanced variable geometry turbocharger ( VGT) was selected as actuator of system development.

提出了高压共轨柴油机增压调节（PCR）系统控制策略的开发，采用先进的可变截面涡轮增压器作为系统开发的执行器。

The variable geometry turbocharger ( VGT) is used to improve the performance of high pressure-ratio diesel engine, particularly at low load.

采用可变几何涡轮增压器（VGT）是改善增压柴油机低工况的有效方法。

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。

Effects of Variable Geometry Components on Engine Performance

变几何部件对发动机性能的影响分析