Browse Publications Technical Papers 2000-01-3647
2000-10-31

Gas Turbine Dynamic Simulation Using Simulink ® 2000-01-3647

A dynamic model of a jet engine has been developed using the SIMULINK software system. SIMULINK model consists of many subsystems; in the present work they are used to represent the components of a gas turbine jet engine and the thermodynamic relationships between them. The Inter-component Volume (ICV) method has been adopted to estimate the rate of property changes at all engine main sections to enable the calculation of the excess or deficit of power following a variation of the fuel flow rate. The components were represented by suitable performance maps.
Several cases were examined, in different flight conditions, including fuel cutoff in flight. A comparison was carried out with another dynamic code and it was established that the output was realistic. The authors did not find any other research work using SIMULINK for jet engine modeling, they conclude that the use of SIMULINK can help researchers model gas turbine jet engines. The work described here has been successful and the authors believe it is worthwhile to carry out more research in this area

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