NDLI: Unsteady loss in the stator due to the incoming rotor wake in a highly-loaded transonic compressor

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Unsteady loss in the stator due to the incoming rotor wake in a highly-loaded transonic compressor

Content Provider	NASA Technical Reports Server (NTRS)
Author	Hah, Chunill
Copyright Year	2015
Description	The present paper reports an investigation of unsteady loss generation in the stator due to the incoming rotor wake in an advanced GE transonic compressor design with a high-fidelity numerical method. This advanced compressor with high reaction and high stage loading has been investigated both experimentally and analytically in the past. The measured efficiency in this advanced compressor is significantly lower than the design intention goal. The general understanding is that the current generation of compressor design analysis tools miss some important flow physics in this modern compressor design. To pinpoint the source of the efficiency miss, an advanced test with a detailed flow traverse was performed for the front one and a half stage at the NASA Glenn Research Center.
File Size	3578976
Page Count	42
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20160000209
Archival Resource Key	ark:/13960/t4jm78h93
Language	English
Publisher Date	2015-10-25
Access Restriction	Open
Subject Keyword	Compressor Unsteady Loss Efficiency Engine Design Direct Numerical Simulation Computational Fluid Dynamics Instruments Rotors Transonic Compressors Unsteady Flow Temperature Measurement Navier-stokes Equation Accuracy Numerical Analysis Large Eddy Simulation Rotor Blades Turbomachinery Energy Dissipation Flow Distribution Reynolds Averaging Stators Pressure Measurement Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Presentation

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