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http://dx.doi.org/10.6108/KSPE.2013.17.1.070

Study on Component Map Generation and Performance Simulation of 2-spool Separate Flow Type Turbofan Engine Using SIMULINK  

Kong, Changduk (조선대학교 항공우주공학과)
Kang, MyoungCheol (조선대학교 항공우주공학과)
Park, Gwanglim (조선대학교 항공우주공학과)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.17, no.1, 2013 , pp. 70-79 More about this Journal
Abstract
In this work, a steady-state performance modeling and off-design performance analysis of the 2-spool separate-flow turbofan engine named (BR715-56) which is a power plant for the narrow body commercial aircraft is carried out for engine performance behaviors investigation and condition monitoring using a commercial code MATLAB/SIMULINK. Firstly, the engine component maps of fan, high pressure compressor, high pressure turbine and low pressure turbine are generated from similar component maps using the scaling method, and then the off-design performance simulation model is constructed by the mass flow matching and the work matching between components. The model is developed using SIMULINK, which has advantages of easy steady-stare and dynamic modelling and user friendly interface function. It is found that the off-design performance analysis results using the proposed model are well agreed with the performance analysis results by GASTURB at various operating conditions.
Keywords
Performance Modeling; Sepaerate Flow Type Turbofan Engine; Off-design Performance; Component Map Generation;
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