SAE Technical Paper Series 1980
DOI: 10.4271/801118
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Performance Deterioration of Commercial High-Bypass Ratio Turbofan Engines

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“…Erosion and tip rubs introduce changes to the flow path geometry of the compressor, in particular, to the blade profiles and the rotor tip clearances. A study of performance deterioration of commercial high-bypass ratio turbofan engines showed that approximately one half of the long-ttsm deterioration of compressor performance was attributable to increased blade tip clearances, Mehalic and Ziemianski (1980). In helicopter engines the erosion/burring of the first stage blades and blade tip clearance changes were identified as major performance loss mechanisms, Przedpelski (1982).…”
Section: Compressor Degradationmentioning
confidence: 99%
“…Erosion and tip rubs introduce changes to the flow path geometry of the compressor, in particular, to the blade profiles and the rotor tip clearances. A study of performance deterioration of commercial high-bypass ratio turbofan engines showed that approximately one half of the long-ttsm deterioration of compressor performance was attributable to increased blade tip clearances, Mehalic and Ziemianski (1980). In helicopter engines the erosion/burring of the first stage blades and blade tip clearance changes were identified as major performance loss mechanisms, Przedpelski (1982).…”
Section: Compressor Degradationmentioning
confidence: 99%