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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: Flow chart for robust design optimization methodology applied for the turbocharger compressor impeller

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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: Machining of an impeller wheel

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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: Deterministic versus robust designs

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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: The turbocharger compressor

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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: Compressor parameterization

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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: Geometric model and grid

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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: Performance sensitivity analysis using the surrogate model and comparison with CFD

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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: Schematic comparison between baseline impeller and optimized robust impeller designs

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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: Pareto optimal solutions

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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: Sensitivity ranking (a) pressure ration and (b) isentropic efficiency

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):112101-112101-11. doi:10.1115/1.4033185 Figure Legend: Probability distributions of variation in impeller pressure ratio and isentropic efficiency

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):112101-112101-11. doi:10.1115/1.4033185 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)