1. 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): doi: /
Figure Legend:
Flexible gas turbine operating profile [1] (courtesy of Siemens AG)

2. 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): doi: /
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.

3. 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): doi: /
Figure Legend:
Variation of the compressor turbine efficiency map coefficients with respect to the corrected speed N

4. 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): doi: /
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.

5. 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): doi: /
Figure Legend:
Engine model layout in simulink (for definition of the variables, refer to the Nomenclature section)

6. 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): doi: /
Figure Legend:
Flow chart of the engine model adaptive diagnostics

7. 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): doi: /
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.

8. 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): doi: /
Figure Legend:
The fuel flow schedule during the transient response

9. 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): doi: /
Figure Legend:
The power turbine output and the shaft rotational speed during the transient response

10. 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): doi: /
Figure Legend:
The gas path temperatures during the transient response

11. 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): doi: /
Figure Legend:
The compressor map trajectories during the transient response for the reference engine and the engine model

12. 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): doi: /
Figure Legend:
The average prediction error of the targeted engine performance measurements

13. 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): doi: /
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.

14. 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): doi: /
Figure Legend:
The diagnostic error of the mass flow capacity deviation parameters during the transient response

15. 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): doi: /
Figure Legend:
The diagnostic error of the isentropic efficiency deviation parameters during the transient response

16. 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): doi: /
Figure Legend:
The average diagnostic error of the component parameters during the transient response

17. 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): doi: /
Figure Legend:
The performance of the proposed optimization algorithm for the diagnostic case study

18. 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): doi: /
Figure Legend:
The corrected mass flow parameters for the reference engine and the engine model during the untrained off-design steady state operation

19. 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): doi: /
Figure Legend:
The isentropic efficiency parameters for the reference engine and the engine model during the untrained off-design steady state operation

20. 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): doi: /
Figure Legend:
The operating points of the reference engine and the engine model for the steady state and transient conditions