Stall flutter simulation of a transonic axial compressor stage using a fully coupled fluid-structure interaction

Jiaye Gan, Hong Sik Im, GeCheng Zha

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, numerical simulation of stall flutter for full annulus NASA Stage 35 is conducted using a fully coupled fluid/structure interaction. Time accurate compressible 3. D Navier-Stokes equations with Spalart-Allmaras turbulence model are solved with a system of 5 decoupled structural modal equations in a fully coupled manner. The 3rd order WENO scheme for the inviscid flux and 2nd order central difference for the viscous terms are used to accurately capture the interactions of the fluid and structure. Delayed detached eddy simulation is also applied to predict the flow induced vibration at near and stall conditions for comparison. The mechanism and aerodynamic damping behavior causing the stall flutter are analyzed. The effect of rotor stator interaction on the onset of flutter is studied. The fully coupled FSI simulation shows that Stage 35 has stall flutter at rotating stall.

Original languageEnglish (US)
Title of host publicationAIAA SciTech Forum - 55th AIAA Aerospace Sciences Meeting
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Electronic)9781624104473
DOIs
StatePublished - 2017
Event55th AIAA Aerospace Sciences Meeting - Grapevine, United States
Duration: Jan 9 2017Jan 13 2017

Other

Other55th AIAA Aerospace Sciences Meeting
CountryUnited States
CityGrapevine
Period1/9/171/13/17

Fingerprint

Flutter (aerodynamics)
Fluid structure interaction
Turbulence models
Navier Stokes equations
Stators
NASA
Compressors
Aerodynamics
Rotors
Damping
Fluxes
Fluids
Computer simulation

ASJC Scopus subject areas

  • Aerospace Engineering

Cite this

Gan, J., Im, H. S., & Zha, G. (2017). Stall flutter simulation of a transonic axial compressor stage using a fully coupled fluid-structure interaction. In AIAA SciTech Forum - 55th AIAA Aerospace Sciences Meeting [AIAA 2017-0783] American Institute of Aeronautics and Astronautics Inc.. https://doi.org/10.2514/6.2017-0783

Stall flutter simulation of a transonic axial compressor stage using a fully coupled fluid-structure interaction. / Gan, Jiaye; Im, Hong Sik; Zha, GeCheng.

AIAA SciTech Forum - 55th AIAA Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics Inc., 2017. AIAA 2017-0783.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gan, J, Im, HS & Zha, G 2017, Stall flutter simulation of a transonic axial compressor stage using a fully coupled fluid-structure interaction. in AIAA SciTech Forum - 55th AIAA Aerospace Sciences Meeting., AIAA 2017-0783, American Institute of Aeronautics and Astronautics Inc., 55th AIAA Aerospace Sciences Meeting, Grapevine, United States, 1/9/17. https://doi.org/10.2514/6.2017-0783
Gan J, Im HS, Zha G. Stall flutter simulation of a transonic axial compressor stage using a fully coupled fluid-structure interaction. In AIAA SciTech Forum - 55th AIAA Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics Inc. 2017. AIAA 2017-0783 https://doi.org/10.2514/6.2017-0783
Gan, Jiaye ; Im, Hong Sik ; Zha, GeCheng. / Stall flutter simulation of a transonic axial compressor stage using a fully coupled fluid-structure interaction. AIAA SciTech Forum - 55th AIAA Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics Inc., 2017.
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