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Computational Simulation of PT6A Gas Turbine Engine Operating with Different Blends of Biodiesel—A Transient-Response Analysis

Author

Listed:
  • Camilo Bayona-Roa

    (Universidad ECCI, Cra. 19 No. 49-20, Bogotá 111311, Colombia)

  • J.S. Solís-Chaves

    (Universidad ECCI, Cra. 19 No. 49-20, Bogotá 111311, Colombia)

  • Javier Bonilla

    (Universidad ECCI, Cra. 19 No. 49-20, Bogotá 111311, Colombia)

  • A.G. Rodriguez-Melendez

    (Universidad ECCI, Cra. 19 No. 49-20, Bogotá 111311, Colombia)

  • Diego Castellanos

    (Universidad ECCI, Cra. 19 No. 49-20, Bogotá 111311, Colombia)

Abstract

Instead of simplified steady-state models, with modern computers, one can solve the complete aero-thermodynamics happening in gas turbine engines. In the present article, we describe a mathematical model and numerical procedure to represent the transient response of a PT6A gas turbine engine operating at off-design conditions. The aero-thermal model consists of a set of algebraic and ordinary differential equations that arise from the application of the mass, linear momentum, angular momentum and energy balances in each engine’s component. The solution code has been developed in Matlab-Simulink ® using a block-oriented approach. Transient simulations of the PT6A engine start-up have been carried out by changing the original Jet-A1 fuel with biodiesel blends. Time plots of the main thermodynamic variables are shown, especially those regarding the structural integrity of the burner. Numerical results have been validated against reported experimental measurements and GasTurb ® simulations. The computer model has been capable to predict acceptable fuel blends, such that the real PT6A engine can be substituted to avoid the risk of damaging it.

Suggested Citation

  • Camilo Bayona-Roa & J.S. Solís-Chaves & Javier Bonilla & A.G. Rodriguez-Melendez & Diego Castellanos, 2019. "Computational Simulation of PT6A Gas Turbine Engine Operating with Different Blends of Biodiesel—A Transient-Response Analysis," Energies, MDPI, vol. 12(22), pages 1-22, November.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:22:p:4258-:d:284945
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    References listed on IDEAS

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    1. Nascimento, Marco A.R. & Lora, Electo S. & Corrêa, Paulo S.P. & Andrade, Rubenildo V. & Rendon, Manuel A. & Venturini, Osvaldo J. & Ramirez, Guido A.S., 2008. "Biodiesel fuel in diesel micro-turbine engines: Modelling and experimental evaluation," Energy, Elsevier, vol. 33(2), pages 233-240.
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    Cited by:

    1. Alberth Renne Gonzalez Caranton & Vladimir Silva Leal & Camilo Bayona-Roa & Manuel Alejandro Mayorga Betancourt & Carolina Betancourt & Deiver Cortina & Nelson Jimenez Acuña & Mauricio López, 2021. "Experimental Investigation of the Mechanical and Thermal Behavior of a PT6A-61A Engine Using Mixtures of JETA-1 and Biodiesel," Energies, MDPI, vol. 14(11), pages 1-22, June.
    2. Gabriel Talero & Camilo Bayona-Roa & Giovanny Muñoz & Miguel Galindo & Vladimir Silva & Juan Pava & Mauricio Lopez, 2019. "Experimental Methodology and Facility for the J69-Engine Performance and Emissions Evaluation Using Jet A1 and Biodiesel Blends," Energies, MDPI, vol. 12(23), pages 1-10, November.
    3. Altarazi, Yazan S.M. & Abu Talib, Abd Rahim & Gires, Ezanee & Yu, Jianglong & Lucas, John & Yusaf, Talal, 2021. "Performance and exhaust emissions rate of small-scale turbojet engine running on dual biodiesel blends using Gasturb," Energy, Elsevier, vol. 232(C).

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