Modal decomposition for the analysis of the rotor-stator interactions in multistage compressors

被引：0
|
作者：
N. Courtiade
X. Ottavy
N. Gourdain
机构：
[1] Ecole Centrale de Lyon,Laboratoire de Mécanique des Fluides et d’Acoustique
[2] CERFACS,undefined
[3] CFD Team,undefined
来源：
Journal of Thermal Science | 2012年 / 21卷
关键词：
rotor-stator interactions; modal analysis; multistage compressors; numerical and experimental results;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A modal analysis method of the rotor-stator interactions in multistage compressors has been developed by LMFA. This method, based on a double modal decomposition of the flow over space and time, has been applied to numerical and experimental results of the high-speed 3½-stage compressor CREATE based at LMFA, Lyon-France. It reveals the presence of a very strong rotor-stator interaction which completely drives the flow at casing behind all the rotors. This modal analysis method applied to an unsteady RANS simulation permits to calculate the energy of the rotor-stator interactions and to plot energetic meridian maps to explain experimental results and to analyze the interaction in the whole machine.
引用
收藏
页码：276 / 285
页数：9
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