An experimental and numerical investigation of stator-rotor interactions in a transonic compressor

x INTRODUCTION 1 Subsonic Rotor-Stator Interactions 3 Stator-Rotor Interactions 5 Numerical Modeling of Stator-Rotor Interactions 6 Value of Present Research 7 STAGE MATCHING INVESTIGATION RIG 9 Compressor Stage 10 Wake Generators 11 Test Facility 13 Test Article Instrumentation 15 Aliasing 16 Experimental Repeatability 20 Wake Generator/Rotor Only Configuration 22 WAKE CALIBRATION 24 Wake Calibration Instrumentation 24 Wake Calibration Procedure 27 Wake Calibration Results 30 SMI AND WAKE GENERATOR/ROTOR ONLY PERFORMANCE 40 SMI Results 40 Part Speed SMI Performance 42 Wake Generator/Rotor Only Results 46 Performance Summary 49 Wake Recoveiy Analysis 54 STEADY-STATE DATA ANALYSIS 56 Loss Overview 56 Flow Capacity Experiment 56 Wake Generator/Rotor Only Analysis 59 Contour Plots of Pressure Ratio and Efficiency 62 NUMERICAL APPROACH 70 MSU-TURBO 70