Simulation of Gas Turbine Engines Considering the Rotating Stall in a Compressor

A set of models and software tools for the simulation of gas turbine engines considering the rotating stall in a compressor is presented. A new one-dimensional method (implemented in COMPRESSOR_S software) for the prediction of the performance of axial-flow compressors was developed. A model is capa...

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Bibliographic Details
Published in:Procedia engineering 2017, Vol.176, p.207-217
Main Authors: Mikhailov, A.E., Mikhailova, A.B., Akhmetov, Yu.M., Akhmedzyanov, D.A.
Format: Article
Language:English
Subjects:
compressor
control
gas turbine engine
rotating stall
simulation
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Summary:A set of models and software tools for the simulation of gas turbine engines considering the rotating stall in a compressor is presented. A new one-dimensional method (implemented in COMPRESSOR_S software) for the prediction of the performance of axial-flow compressors was developed. A model is capable of predicting the axial compressor performance in the following conditions: stable off-design; part-span and full-span rotating stall; reverse flow. The developed tool COMPRESSOR_S is verified via comparison against a set of individual compressor stage and multistage compressor experimental maps. A new model for the simulation of gas turbine engines considering the rotating stall in a compressor is presented. A multi-sheet map is generated for a wide operational range of the compressor (one sheet for the stable off-design and another one for the rotating stall and reverse flow). Results for a turbojet engine acceleration-stall onset-deceleration-unstall are presented. Developed tools are useful for preliminary design of gas turbine engines for a wide operational range and control problems solving.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2017.02.290