Abstract
Designing and developing new aircraft engine is time-consuming and expensive. Computational simulation is a promising means for alleviating this cost, but constructing flexible simulation software capable of evaluation of integrated aircraft engine system architectures is hard work. This paper addresses the design of a tool—a generic modular-modeled library of air gas turbine, this library is based on object-oriented technology and hierarchical decomposition and provides a flexible component-based representation for defining, modifying, and simulating the aircraft gas turbine system, subsystem and components. It enables users to customize and extend the framework to add new functionality or adapt the simulation behavior as required, and it allows new models to be composed programmatically or graphically to form more complex models. The model library can be used in steady-state and transient analysis of the aero-engine. It is also a user-friendly, accurate, fast PCbased and easily reusable simulating tool. The advanced object-oriented simulation language Modelica is used to construct this library. Modelica provides a powerful tool to design the library. All of the work described in this paper is developed based upon Dymola/Modelica.
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