This paper describes models for the transient analysis of heavy duty gas turbines, and presents dynamic simulation results of a modern gas turbine for electric power generation. Basic governing equations have been derived from integral forms of unsteady conservation equations. Mathematical models of each component are described with the aid of unsteady one-dimensional governing equations and steady-state component characteristics. Special efforts have been made to predict compressor characteristics including the effect of movable vanes, which govern the operating behavior of a whole engine. The derived equation sets are solved numerically by a fully implicit method. A controller model that maintains constant rotational speed and target temperature (turbine inlet or exhaust temperature) is used to simulate practical operations. Component models, especially those of the compressor, are validated through comparison with test data. The dynamic behavior of a 150 MW class engine is simulated. The time-dependent variations of engine parameters such as power, rotational speed, fuel, temperature, and guide vane angles are compared with field data. Simulated results are fairly close to the operation data.
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July 2001
Technical Papers
Model Development and Simulation of Transient Behavior of Heavy Duty Gas Turbines
J. H. Kim, Researcher,,
J. H. Kim, Researcher,
Turbo and Power Machinery Research Center, Seoul National University, Seoul 151-742, Korea
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T. W. Song, Graduate Student,,
T. W. Song, Graduate Student,
School of Mechanical Engineering, Seoul National University, Seoul 151-742, Korea
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T. S. Kim, Assistant Professor,,
T. S. Kim, Assistant Professor,
Department of Mechanical Engineering, Inha University, Inchon 402-751, Korea
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S. T. Ro, Professor, Fellow ASME,
S. T. Ro, Professor, Fellow ASME,
School of Mechanical Engineering, Seoul National University, Seoul 151-742, Korea
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J. H. Kim, Researcher,
Turbo and Power Machinery Research Center, Seoul National University, Seoul 151-742, Korea
T. W. Song, Graduate Student,
School of Mechanical Engineering, Seoul National University, Seoul 151-742, Korea
T. S. Kim, Assistant Professor,
Department of Mechanical Engineering, Inha University, Inchon 402-751, Korea
S. T. Ro, Professor, Fellow ASME,
School of Mechanical Engineering, Seoul National University, Seoul 151-742, Korea
Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASMEJOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Paper presented at the International Gas Turbine and Aeroengine Congress and Exhibition, Munich, Germany, May 8–11, 2000; Paper 00-GT-548. Manuscript received by IGTI Oct. 1999; final revision received by ASME Headquarters Oct. 2000. Associate Editor: D. Wisler.
J. Eng. Gas Turbines Power. Jul 2001, 123(3): 589-594 (6 pages)
Published Online: October 1, 2000
Article history
Received:
October 1, 1999
Revised:
October 1, 2000
Citation
Kim, J. H., Song, T. W., Kim, T. S., and Ro, S. T. (October 1, 2000). "Model Development and Simulation of Transient Behavior of Heavy Duty Gas Turbines ." ASME. J. Eng. Gas Turbines Power. July 2001; 123(3): 589–594. https://doi.org/10.1115/1.1370973
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