2006•Journal of Propulsion TechnologyOpen access

Extrapolating component maps into the low speed and simulation of windmilling performance of turbofan engine

Wen Liu

Abstract

This paper has applieded the latest research achievements to model a turbofan engine windmilling performance.Firstly,based on the WR Sexton method,the method and mathematic models of supplementing the sub-idle rotating component characteristics is presented.Secondly,the turbofan windmilling high-low pressure rotor co-working equations and the whole engine co-working equations are established.lastly,a turbofan engine windmilling characteristics under various windmilling conditions are simulated and analyzed.

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Key concepts: Turbofan, Component (thermodynamics), Rotor (electric), Idle, Automotive engineering, Engineering, Computer science, Aerospace engineering