Preprint Article Version 1 This version is not peer-reviewed

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

Version 1 : Received: 18 June 2019 / Approved: 19 June 2019 / Online: 19 June 2019 (08:12:25 CEST)

How to cite: Bayona, C.; Solís Chaves, J.S..; Bonilla, J.; Castellanos, D. Computational Simulation of PT6A Gas Turbine Engine Operating with Different Blends of Biodiesel: A Transient-Response Analysis. Preprints 2019, 2019060181 (doi: 10.20944/preprints201906.0181.v1). Bayona, C.; Solís Chaves, J.S..; Bonilla, J.; Castellanos, D. Computational Simulation of PT6A Gas Turbine Engine Operating with Different Blends of Biodiesel: A Transient-Response Analysis. Preprints 2019, 2019060181 (doi: 10.20944/preprints201906.0181.v1).

Abstract

A computational simulation of a PT6A gas turbine engine operating at off-design conditions is described in the present article. The model consists of a 0-dimensional thermo-fluidic description of the engine by applying the mass, linear momentum, angular momentum, and energy balances in each engine's component. The transient behavior of the engine is simulated for different blends of the original JET-A1 fuel with bio-diesel. Simulated thermodynamic variables of the air at each engine's component, as well as some performance parameters correspond to the reported experimental measurements. The numerical results also demonstrate the ability of the computational simulation to predict acceptable fuel blends, such that the efficiency of the engine is maximized and its structural integrity is maintained.

Subject Areas

gas turbine engine; thermo-fluidic model; system dynamics; bio-diesel; thermal efficiency

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