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Stability analysis of the n-bladed system with blade-to-blade interaction
Proceedings of Global Power & Propulsion Society, 2023This paper presents a new approach based on simplified dynamic modelling of the blade and blade-to-blade interaction, which generally occurs due to flow structures with large extent such as tip clearance vortex. The model considers the blade-to-blade interaction as the primary cause of the local instability.
Youngkuk Yoon, Seung Jin Song
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Vortex dynamics of blade-blade interaction
AIAA Journal, 1994A time domain method has been developed for treatments of vortex dynamics in all classes of blade-blade interaction problems. A new vortex impingement condition is introduced to the discrete vortex tracking scheme and was found most effective in handling the vortex-airfoil interaction and the blade-blade interaction (BBI) problems.
Z. X. Yao, D. D. Liu
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Blade to blade vibration damper
The Journal of the Acoustical Society of America, 1985Apparatus for dampening rotor blade vibratory energy in a rotary machine is disclosed. Concepts employing blade to blade damping are discussed. In one detailed form, a damper (52) is disposed to seat against the undersides of adjacent blade platform sections (20) and a seal (42) is spaced sufficiently close to the damper so as to be deflected ...
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Blade to blade vibration damper
The Journal of the Acoustical Society of America, 1983L'appareil ci-decrit permet l'amortissement effectif de l'energie vibratoire des aubes. The apparatus described above enables the effective damping of the vibratory energy of the blades. Les concepts concernent essentiellement l'amortissement dit aube-aube en comparaison a l'amortissement aube-sol.
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