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Study of KJ-66 micro gas turbine compressor: steady and unsteady Reynolds-averaged Navier-Stokes approach

Xiang, Junting, Schluter, Jorg and Duan, Fei 2016, Study of KJ-66 micro gas turbine compressor: steady and unsteady Reynolds-averaged Navier-Stokes approach, Proceedings of the institution of mechanical engineers, part g: journal of aerospace engineering, In press, doi: 10.1177/0954410016644632.

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Title Study of KJ-66 micro gas turbine compressor: steady and unsteady Reynolds-averaged Navier-Stokes approach
Author(s) Xiang, JuntingORCID iD for Xiang, Junting orcid.org/0000-0003-1790-1692
Schluter, JorgORCID iD for Schluter, Jorg orcid.org/0000-0001-7783-1361
Duan, Fei
Journal name Proceedings of the institution of mechanical engineers, part g: journal of aerospace engineering
Season In press
Total pages 14
Publisher Sage Publications
Place of publication London, Eng.
Publication date 2016-04-19
ISSN 0954-4100
2041-3025
Keyword(s) micro gas turbine
compressor
Reynolds-averaged Navier-Stokes simulation
performance map
Summary Numerical study on the compressor stage of a KJ-66 micro gas turbine was conducted in this paper through both steady and unsteady Reynolds-averaged Navier–Stokes. The study was conducted for the numerical prediction of micro gas turbine compressor performance at various operation conditions, with special attention given to the transient flow behaviors during compressor operation. The numerical results showed reasonable agreements with experimental data while providing predictions for the charting of compressor performance map at various operation speeds. The simulation results indicated that the increase of operation speed from 80 k r/min to 117 k r/min would leads to an increased peak total pressure ratio from 1.54 to 1.96, while decreasing the peak adiabatic efficiency from 0.73 to 0.55. This paper also provided discussion on details of transient flow field within the compressor stage as well as demonstrated the smooth flow transition through rotor–stator interactions.
Language eng
DOI 10.1177/0954410016644632
Field of Research 090607 Power and Energy Systems Engineering (excl Renewable Power)
090199 Aerospace Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, IMechE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30089054

Document type: Journal Article
Collection: School of Engineering
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