Novel Approach for Reducing Rotor Tip-Clearance-Induced Noise in Turbofan Engines

Rotor tip-clearance induced noise, in the form of both rotor self-noise and rotor-stator interaction noise, constitutes an important component of total fan noise. Innovative yet cost-effective techniques to suppress rotor-generated noise are, therefore, of foremost importance for improving the noise...

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Published in:AIAA journal 2002-08, Vol.40 (8), p.1518-1528
Main Authors: Khorrami, Mehdi R, Li, Fei, Choudhari, Meelan
Format: Article
Language:English
Subjects:
Acoustics
Aeroacoustics and atmospheric sound
Aeroacoustics, atmospheric sound
Aerodynamics
Aircraft
Boundary layers
Database systems
Engines
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Navier Stokes equations
Noise abatement
Noise control
Physics
Reynolds number
Rotors
Stators
Viscous flow
Vortex flow
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cited_by cdi_FETCH-LOGICAL-a434t-69e53433cf979ca32bd1225fbdf4f913b8360d47db114d5a1a2c1c219df7c9db3
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Li, Fei
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description Rotor tip-clearance induced noise, in the form of both rotor self-noise and rotor-stator interaction noise, constitutes an important component of total fan noise. Innovative yet cost-effective techniques to suppress rotor-generated noise are, therefore, of foremost importance for improving the noise signature of turbofan engines.
doi_str_mv 10.2514/2.1848
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subjects Acoustics
Aeroacoustics and atmospheric sound
Aeroacoustics, atmospheric sound
Aerodynamics
Aircraft
Boundary layers
Database systems
Engines
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Navier Stokes equations
Noise abatement
Noise control
Physics
Reynolds number
Rotors
Stators
Viscous flow
Vortex flow
title Novel Approach for Reducing Rotor Tip-Clearance-Induced Noise in Turbofan Engines
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