A high-fidelity real-time simulation code based on a lumped, nonlinear representation of gas turbine components is presented. The code is a general-purpose simulation software environment useful for setting up and testing control equipments. The mathematical model and the numerical procedure are specially developed in order to efficiently solve the set of algebraic and ordinary differential equations that describe the dynamic behavior of gas turbine engines. For high-fidelity purposes, the mathematical model takes into account the actual composition of the working gases and the variation of the specific heats with the temperature, including a stage-by-stage model of the air-cooled expansion. The paper presents the model and the adopted solver procedure. The code, developed in Matlab-Simulink using an object-oriented approach, is flexible and can be easily adapted to any kind of plant configuration. Simulation tests of the transients after load rejection have been carried out for a single-shaft heavy-duty gas turbine and a double-shaft aero-derivative industrial engine. Time plots of the main variables that describe the gas turbine dynamic behavior are shown and the results regarding the computational time per time step are discussed.
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July 2006
Technical Papers
A Modular Code for Real Time Dynamic Simulation of Gas Turbines in Simulink
S. M. Camporeale,
S. M. Camporeale
Dipartimento di Ingegneria Meccanica e Gestionale-Sezione di Macchine ed Energetica,
Politecnico di Bari
, Via Re David 200, 70100 Bari, Italy
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B. Fortunato,
B. Fortunato
Dipartimento di Ingegneria Meccanica e Gestionale-Sezione di Macchine ed Energetica,
Politecnico di Bari
, Via Re David 200, 70100 Bari, Italy
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M. Mastrovito
M. Mastrovito
Dipartimento di Ingegneria Meccanica e Gestionale-Sezione di Macchine ed Energetica,
Politecnico di Bari
, Via Re David 200, 70100 Bari, Italy
Search for other works by this author on:
S. M. Camporeale
Dipartimento di Ingegneria Meccanica e Gestionale-Sezione di Macchine ed Energetica,
Politecnico di Bari
, Via Re David 200, 70100 Bari, Italy
B. Fortunato
Dipartimento di Ingegneria Meccanica e Gestionale-Sezione di Macchine ed Energetica,
Politecnico di Bari
, Via Re David 200, 70100 Bari, Italy
M. Mastrovito
Dipartimento di Ingegneria Meccanica e Gestionale-Sezione di Macchine ed Energetica,
Politecnico di Bari
, Via Re David 200, 70100 Bari, ItalyJ. Eng. Gas Turbines Power. Jul 2006, 128(3): 506-517 (12 pages)
Published Online: March 1, 2002
Article history
Received:
December 1, 2001
Revised:
March 1, 2002
Citation
Camporeale, S. M., Fortunato, B., and Mastrovito, M. (March 1, 2002). "A Modular Code for Real Time Dynamic Simulation of Gas Turbines in Simulink." ASME. J. Eng. Gas Turbines Power. July 2006; 128(3): 506–517. https://doi.org/10.1115/1.2132383
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