1. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Flow chart for robust design optimization methodology applied for the turbocharger compressor impeller

2. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Machining of an impeller wheel

3. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Deterministic versus robust designs

4. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
The turbocharger compressor

5. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Compressor parameterization

6. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Geometric model and grid

7. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Performance sensitivity analysis using the surrogate model and comparison with CFD

8. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Schematic comparison between baseline impeller and optimized robust impeller designs

9. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Pareto optimal solutions

10. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Sensitivity ranking (a) pressure ration and (b) isentropic efficiency

11. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Probability distributions of variation in impeller pressure ratio and isentropic efficiency

12. Date of download: 10/1/2017
Copyright © ASME. All rights reserved.
From: Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
J. Eng. Gas Turbines Power. 2016;138(11): doi: /
Figure Legend:
Probability distributions of robust impeller designs and comparison with the baseline (denoted by “Bsl” in the plots): (a) impeller A (white histogram-baseline, gray histogram-robust), (b) impeller B (white histogram-baseline, gray histogram-robust), and (c) impeller C (white histogram-baseline, gray histogram-robust)