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TECHNICAL PAPERS: Gas Turbines: Cycle Innovations

Degradation Effects on Combined Cycle Power Plant Performance—Part I: Gas Turbine Cycle Component Degradation Effects

[+] Author and Article Information
A. Zwebek, P. Pilidis

Department of Power Engineering and Propulsion, School of Engineering, Cranfield University, Bedford MK43, 0AL, UK

J. Eng. Gas Turbines Power 125(3), 651-657 (Aug 15, 2003) (7 pages) doi:10.1115/1.1519271 History: Received December 01, 2000; Revised March 01, 2001; Online August 15, 2003
Copyright © 2003 by ASME
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References

Diakunchak,  I. S., 1992, “Performance Deterioration in Industrial Gas Turbines,” ASME J. Eng. Gas Turbines Power, 114 (2).
Lakshminarasimha,  A. N., Boyce,  M. P., and Meher-Homji,  C. B., 1994, “Modelling and Analysis of Gas Turbine Performance Deterioration,” ASME J. Eng. Gas Turbines Power, 116 (1).
Tabakoff, W., 1986, “Compressor Erosion and Performance Deterioration,” AIAA/ASME 4th Joint Fluid Mechanics, Plasma Dynamics, and Laser Conference, Atlanta, GA, May 12–14.
Tabakoff,  W., Lakshminarasimha,  A. N., and Pasin,  M., 1990, “Simulation of Compressor Performance Deterioration Due to Erosion,” ASME J. Eng. Gas Turbines Power, 112 (1).
Escher, P. C., 1995, “Pythia: An Object-Oriented Gas Path Analysis Computer Program for General Applications,” Ph.D. thesis, Cranfield University, School of Mechanical Engineering, UK.
Zwebek, A. I., and Pilidis, P., 2001, “Degradation Effects on Combined Cycle Power Plant Performance, Part II: Steam Turbine Cycle Component Degradation Effects,” ASME Paper No. 2001-GT-389.

Figures

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Heat transfer diagram for a single pressure CCGT power plant
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CCGT efficiency variation with gas turbine component deterioration
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CCGT power variation with gas turbine component deterioration
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Stack temperature variation with gas turbine component deterioration
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Schematic diagram of a single pressure CCGT power plant
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GT efficiency variation with component deterioration
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GT power variation with component deterioration
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GT exhaust mass flow variation with component deterioration
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GT exhaust temperature variation with component deterioration
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ST steam mass flow variation with gas turbine component deterioration
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Rankine efficiency variation with gas turbine component deterioration
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ST power variation with gas turbine component deterioration
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HRSG efficiency variation with gas turbine component deterioration

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