Blade/casing rubbing interactions in aircraft engines: Numerical benchmark and design guidelines based on NASA rotor 37

In order to improve the efficiency of aircraft engines, the reduction of clearances between blade tips and their surrounding casing is one avenue manufacturers consider to lower aerodynamic losses. This reduction increases the risk of blade tip/casing contact interactions under nominal operating con...

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Vydané v:	Journal of sound and vibration Ročník 460; s. 114878
Hlavní autori:	Piollet, Elsa, Nyssen, Florence, Batailly, Alain
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Amsterdam Elsevier Ltd 10.11.2019 Elsevier Science Ltd Elsevier
Predmet:	Abrasion Aerodynamics Aircraft engines Airplane engines Algorithms Angular speed Benchmarks Blade tips Clearances Compressor blade Compressor blades Computer simulation Dynamic structural analysis Engineering Sciences Finite element method Lagrange multiplier Lean Mathematical analysis Mathematical models Mechanical engineering Mechanics Nonlinear dynamics Nonlinear response Numerical analysis Numerical models Performance enhancement Reduction Robustness (mathematics) Rotor/stator interaction Rubbing Scale models Sweep Three dimensional models Time integration Vibration Nonlinear dynamics Compressor blade Lean Rotor/stator interaction Sweep sweep rotor/stator interaction lean interaction rotor/stator aube de compresseur flèche compressor blade dynamique non-linéaire inclinaison nonlinear dynamics
ISSN:	0022-460X, 1095-8568
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