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Keywords: Coriolis force
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Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A002, June 7–11, 2021
Paper No: GT2021-58822
.... Keywords: Coriolis force, Kelvin-Helmholtz instability, CFD If not prevented, the ingested hot gas will cause serious problems like creep, oxidation, and thermal fatigue, decrease the life span NOMENCLATURE of the turbine components. A stream of sealing flow is bled from the compressor and fed...
Proceedings Papers

Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT11A012, June 17–21, 2019
Paper No: GT2019-91718
... on the suction side when compared to smooth case. Under rotating conditions, it was found that the cooling levels were similar to the stationary condition for both pressure and suction side internal walls. Keywords: Coriolis force; centrifugal buoyancy; serpentine passage; rib turbulator. INTRODUCTION...
Proceedings Papers

Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1653-1664, June 6–10, 2011
Paper No: GT2011-46427
... velocities. The presented investigations were conducted in stationary and rotating mode. The results demonstrate the combined interaction of different vortices induced by several effects such as the inclination of ribs, Coriolis forces due to rotation and inertial forces within the bend. Additionally, a flow...
Proceedings Papers

Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 373-380, June 14–17, 2004
Paper No: GT2004-53525
... exists a critical Rayleigh number Ra c , below which the flow is stable and over which the flow becomes unstable and time-dependent. Among all the forces in momentum equations, the centrifugal induced buoyancy force was found to be the key factor leading to instability, while the Coriolis force pays its...