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Keywords: flutter
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Proceedings Papers

Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A022, September 21–25, 2020
Paper No: GT2020-15661
... aeroelasticity aircraft compression-ignition engine fluid–structure interaction flutter resonance turbocharger turbomachinery vibration Abstract To investigate the effect of altitude on vibrations in a turbocharger, an aircraft compression-ignition engine was operated in both a sea...
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A008, September 21–25, 2020
Paper No: GT2020-14758
... flutter aerodynamic work operating condition reduced frequency modal component tip clearance Abstract Flutter is one of the important issues in turbomachinery analysis. There are four common types of flutter, including sub/transonic stall flutter, choke flutter, supersonic stall...
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A012, September 21–25, 2020
Paper No: GT2020-15083
... aeroelasticity flutter aeromechanics Abstract The consideration of aeromechanics plays a vital role in the design of machines that operate under aerodynamic forces, such as turbomachinery, and aircraft. The structure of those machines is subject to aeromechanical dynamics, including...
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A020, September 21–25, 2020
Paper No: GT2020-15563
... aeroelasticity labyrinth seal self-exited vibrations flutter traveling wave ANSYS CFX Abstract The investigation subject is an Oil Collector Case which is a thin axisymmetric stator part with console binding to the turbine rear frame. It had been suffering from high level vibrations...
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A021, September 21–25, 2020
Paper No: GT2020-15723
... flutter aerodynamic damping 3D mode shape Abstract It is well known that mode shape plays very important role in stability of turbine blade since the aerodynamic work per cycle and aerodynamic damping depend on mode shape. With the advancements of theoretical formulation with influence...
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A007, September 21–25, 2020
Paper No: GT2020-14750
... blisks are common in engine designs. So, fan blades are prone to serious vibrations such as flutter and forced response, which may lead to high-cycle fatigue, and further cause structural failure. The aeromechanical characteristics of a transonic fan (NASA rotor67) in presence of a s-shaped intake are...
Proceedings Papers

Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 1439-1448, June 6–10, 2011
Paper No: GT2011-46624
... 1 Copyright © 2011 by ASME Proceedings of ASME Turbo Expo 2011 GT2011 June 6-10, 2011, Vancouver, Canada GT2011-46624 Mu Analysis for Turbomachinery Stall Flutter ABSTRACT Flutter is an aeroelastic instability phenomenon that can result either in serious damage or complete destruction of a gas...
Proceedings Papers

Proc. ASME. GT2005, Volume 4: Turbo Expo 2005, 635-649, June 6–9, 2005
Paper No: GT2005-68813
... 03 11 2008 Modern computer simulations can predict some aspects of the unsteady aerodynamic phenomena associated with turbomachinery blade rows. This allows analysts to investigate aeroelastic phenomena, such as flutter, and blade-row interactions, such as forced response and unsteady...
Proceedings Papers

Proc. ASME. GT2006, Volume 4: Cycle Innovations; Electric Power; Industrial and Cogeneration; Manufacturing Materials and Metallurgy, 487-494, May 8–11, 2006
Paper No: GT2006-90188
... include scaling this n to the GE Frame 9E in service for 50-Hertz r-generation, and to the Frame 6B for 50 and 60 power generation applications. ords: unsteady aerodynamics, flutter, MS7001EA These maintenance intervals provide an opportunity to not only refurbish the HGP, but also to implement re...