Numerical investigation of the inclined leading edge diffuser vane effects on the flow unsteadiness and noise characteristics in a transonic centrifugal compressor

Keyphrases

• Numerical Investigation 100%
• Noise Characteristics 100%
• Diffuser 100%
• Flow Noise 100%
• Diffuser Vane 100%
• Flow Unsteadiness 100%
• Transonic Centrifugal Compressor 100%
• Inclined Leading Edge 100%
• Impeller 30%
• Inclination Angle 30%
• Compressor Efficiency 30%
• Pressure Recovery 30%
• Recovery Characteristics 20%
• Pressure Ratio 20%
• Transient Simulation 20%
• Vaned Diffuser 20%
• BPF Noise 20%
• Numerical Methods 10%
• Computational Results 10%
• Attenuation 10%
• Two Dimensional 10%
• Three-dimensional (3D) 10%
• Pressure Wave 10%
• Flow Condition 10%
• Computational Domain 10%
• Design Point 10%
• High Compression Ratio 10%
• Velocity Distribution 10%
• Flow Injection Analysis 10%
• Near-field 10%
• Noise Prediction 10%
• Flow Field 10%
• Noise Component 10%
• Noise Source 10%
• Discharge Flow 10%
• Time-space Domain 10%
• Broadband Noise 10%
• Far-field Acoustics 10%
• Pressure Fluctuation 10%
• Separation Bubble 10%
• Centrifugal Compressor 10%
• Blade Surface 10%
• Operating Point 10%
• Vortical Structures 10%
• Total Pressure Loss 10%
• Unsteady Separation 10%
• Fluctuation Prediction 10%
• Unsteady Pressure Fluctuation 10%
• Compressor Design 10%
• Unsteady Navier-Stokes Equations 10%
• Pseudo-periodic 10%
• Splitter Blades 10%
• Convection Velocity 10%
• Diffuser Blades 10%
• Fluctuation Spectrum 10%
• OASPL 10%
• Inlet Duct 10%
• Recovery Pressure 10%
• Vane Leading Edge 10%
• Rotating Impeller 10%
• Total Pressure Recovery Coefficient 10%
• Pressure Loss Characteristics 10%
• Normal Flow 10%
• Internal Pressure Fluctuation 10%
• Impeller-diffuser Interaction 10%
• Steady Simulation 10%
• Radiated Noise 10%

Engineering

• Leading Edge 100%
• Centrifugal Compressor 100%
• Diffusers 100%
• Impeller 26%
• Inclination Angle 15%
• Pressure Fluctuation 15%
• Compressor Efficiency 15%
• Pressure Recovery 15%
• Transients 10%
• Pressure Ratio 10%
• Pressure Compressor 10%
• Two Dimensional 5%
• Internal Pressure 5%
• Sound Pressure Level 5%
• Pressure Loss 5%
• Flow Condition 5%
• Design Point 5%
• Compression Ratio 5%
• Duct 5%
• Flow Analysis 5%
• Noise Source 5%
• Broadband Noise 5%
• Acoustic Far Field 5%
• Separation Bubble 5%
• Computational Domain 5%
• Blade Surface 5%
• Operating Point 5%
• Convective Velocity 5%
• Field Pressure 5%
• Radiated Noise 5%
• Pressure Recovery Coefficient 5%
• Flow Distribution 5%
• Elastic Wave 5%
• Navier-Stokes Equation 5%