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现代民用涡扇发动机普遍采用VSV系统提高发动机的喘振裕度和性能,该系统的常见故障主要集中在控制系统部件及相关线路上,本文介绍了由于VSV系统同步环滑块和HPC机匣间隙原因导致的非典型VSV系统故障,对VSV系统间隙性重复故障的排除具有一定参考作用。
The VSV system is widely used in modern civil turbofan engines to improve the surge margin and performance of the engine. The common faults of the system are mainly concentrated on the control system components and related lines. This paper introduces the VSV system synchro ring slider and HPC casing clearance Cause of the atypical VSV system failure, VSV system clearance repeated troubleshooting with some reference.