A review of life cycle uncertainty factors and modeling methods for aero engine high-pressure compressor

Abstract This review explores life cycle uncertainty factors and modeling methods for aero engine high-pressure compressors (HPC). It examines geometric uncertainties arising from both manufacturing and operational maintenance, highlighting how these affect engine performance. The paper discusses uncertain geometric modeling and multi-level performance computation, focusing on geometric parameterization and coupled performance models. Further, it details uncertainty analysis techniques, including uncertainty quantification (UQ) processes for aero engines and specific UQ methods for HPCs. The review aims to provide a comprehensive understanding of how uncertainties impact the performance, reliability, and life cycle of aero engines, with a particular focus on the high-pressure compressor.