Mechanics & Industry
Volume 18, Number 4, 2017
|Number of page(s)||13|
|Published online||28 August 2017|
Application of Bond Graph approach in dynamic modelling of industrial gas turbine
Systems Simulation and Control Laboratory, School of Mechanical Engineering, Iran University of Science and Technology,
Accepted: 22 May 2017
Nowadays, gas turbines play a significant role in industry and power generation units. Therefore, any increase in their performance efficiency, is designers’ major concern. Power generation system’s principal considerations are performance, weight and reliability. Gas turbine engine is considered as a probable choice for such applications. This research develops and validates a Bond Graph model based on flow of energy and information of a gas turbine engine. Here, modelling of the gas turbine engine is achieved based on the pseudo Bond Graph approach. Subsequently, by coupling the Bond-Graph component models, a unified framework for model representation is presented. Also, to study the effect of changing external load on turbine’s performance, an industrial two-shaft gas turbine is simulated under large transient loads based on the previously developed component models. Finally, the commercial gas turbine simulation program (GSP) is used to validate the simulation results. Transient response simulations indicate an acceptable error between the GSP and Bond Graph model outputs.
Key words: dynamic performance / industrial gas turbine / Bond Graph approach / simulation
© AFM, EDP Sciences 2017
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