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http://dx.doi.org/10.6108/KSPE.2016.20.5.009

Effects of Variable Guide Vane Setting Angle on the Performance of Multi-Stage Axial Compressor  

Park, JunYoung (Department of Extreme Energy Systems, Korea Institute of Machinery and Materials)
Seo, JeongMin (Department of Extreme Energy Systems, Korea Institute of Machinery and Materials)
Lim, HyungSoo (Department of Extreme Energy Systems, Korea Institute of Machinery and Materials)
Choi, Bumseok (Department of Extreme Energy Systems, Korea Institute of Machinery and Materials)
Choi, Taewoo (Power Systems R&D Center, Hanwha Techwin)
Choi, Jaeho (Power Systems R&D Center, Hanwha Techwin)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.20, no.5, 2016 , pp. 9-18 More about this Journal
Abstract
Generally the variable guide vane is used to secure the sufficient operating point in the off-design condition. In this study the inlet guide vane, 1st and 2nd stators in a multi-stage axial compressor are movable to obtain the operating range. So the effects of variable guide vane setting angle on the performance of 2.5 stage axial compressor were investigated at 70 % and 90 % conditions of nominal rotating speed in this paper. The steady-state and unsteady numerical analyses were conducted at each operating condition. The performance map, lost efficiency and flow fields were compared.
Keywords
Multi-Stage Axial Compressor; Numerical Analysis; Performance; Variable Guide Vane; Efficiency;
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