Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: Flexible gas turbine operating profile [1] (courtesy of Siemens AG)

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: Map fitting approaches that are applied to typical component maps available from proosis. (a) Compressor πc versus mc-fitting, (b) compressor ηc versus mc-fitting, (c) turbine mt versus πt-fitting, (d) turbine ηt versus πt-fitting, (e) power turbine mpt versus πpt-fitting, and (f) power turbine ηpt versus πpt-fitting.

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: Variation of the compressor turbine efficiency map coefficients with respect to the corrected speed N

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: Flow charts of the proposed map modeling methods for various engine components. (a) Compressor map modeling, (b) compressor turbine map modeling, and (c) power turbine map modeling.

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: Engine model layout in simulink (for definition of the variables, refer to the Nomenclature section)

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: Flow chart of the engine model adaptive diagnostics

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The reference engine and the engine model representations. (a) Reference engine with proosis maps as lookup tables and (b) engine model with proposed map modeling process.

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The fuel flow schedule during the transient response

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The power turbine output and the shaft rotational speed during the transient response

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The gas path temperatures during the transient response

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The compressor map trajectories during the transient response for the reference engine and the engine model

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The average prediction error of the targeted engine performance measurements

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The tuning range of the component map sub-coefficients. Initial values of subcoefficients are normalized and the tuned values are expressed with respect to the initial ones.

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The diagnostic error of the mass flow capacity deviation parameters during the transient response

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The diagnostic error of the isentropic efficiency deviation parameters during the transient response

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The average diagnostic error of the component parameters during the transient response

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The performance of the proposed optimization algorithm for the diagnostic case study

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The corrected mass flow parameters for the reference engine and the engine model during the untrained off-design steady state operation

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The isentropic efficiency parameters for the reference engine and the engine model during the untrained off-design steady state operation

Date of download: 10/16/2017 Copyright © ASME. All rights reserved. From: Transient Gas Turbine Performance Diagnostics Through Nonlinear Adaptation of Compressor and Turbine Maps J. Eng. Gas Turbines Power. 2015;137(9):091201-091201-12. doi:10.1115/1.4029710 Figure Legend: The operating points of the reference engine and the engine model for the steady state and transient conditions