Open AccessGas–liquid flow field analysis of the compressor vorticity and rotational speed based on NASA Stage 36
Author(s) -
Wang Liwen,
Hu Jianwei,
Liu Qiang,
Tang Jie,
Shi Xudong
Publication year - 2019
Publication title -
the journal of engineering
Language(s) - English
Resource type - Journals
ISSN - 2051-3305
DOI - 10.1049/joe.2018.9019
Subject(s) - gas compressor , nozzle , rotational speed , mechanics , vortex , axial compressor , internal flow , jet (fluid) , flow (mathematics) , rotation (mathematics) , impeller , vorticity , mechanical engineering , materials science , aerospace engineering , physics , engineering , computer science , artificial intelligence
The aero‐engine to be cleaned online can significantly improve compressor performance and increase maintenance intervals, but the cleaning online cannot achieve the anticipated effects due to the lack of cognisance of the internal multiphase flow field. In order to explore the characteristics of the compressor's internal flow field, a compressor and nozzle's flow channel model was established based on the data of the Rotor36 compressor blades published by NASA. The fluid simulation software was used to analyse the effects of circumferential vortex and axial vortex on the wall surface at different jet parameters and characteristics of the gas–liquid flow field formed by the compressor blades at different rotation speeds. It is concluded that the flow field formed at a jet pressure of 5 atm and a rotational speed of 2880 rpm is more favourable to the removal of fouling.