A NUMERICAL APPROACH FOR THE PREDICTION OF SOUND GENERATED BY A MISTUNED ROTOR CASCADE

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Abstract

A numerical investigation on the effects of blade frequency mistuning on theacoustic emission of a rotor cascade in subsonic flow is shown. A numerical method has beendeveloped and implementd to obtain the mistuned rotor aeroelastic response and theassociated acoustic waves. Both the aeroelastic and acoustic models are based on a linearunsteady small perturbations theory. The dynamic aeroelastic coupling between bending andtorsional responses of each blade and the aerodynamic coupling among the blades areincluded in the formulation.
Lingua originaleEnglish
pagine (da-a)14-20
Numero di pagine7
RivistaMECCANICA DEI MATERIALI E DELLE STRUTTURE
Volume3
Stato di pubblicazionePublished - 2012

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blades
rotors
cascades
acoustics
predictions
subsonic flow
aerodynamics
perturbation theory
formulations

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title = "A NUMERICAL APPROACH FOR THE PREDICTION OF SOUND GENERATED BY A MISTUNED ROTOR CASCADE",
abstract = "A numerical investigation on the effects of blade frequency mistuning on theacoustic emission of a rotor cascade in subsonic flow is shown. A numerical method has beendeveloped and implementd to obtain the mistuned rotor aeroelastic response and theassociated acoustic waves. Both the aeroelastic and acoustic models are based on a linearunsteady small perturbations theory. The dynamic aeroelastic coupling between bending andtorsional responses of each blade and the aerodynamic coupling among the blades areincluded in the formulation.",
author = "Rosario Marretta and Giuseppe Lombardo and Giuseppe Davi'",
year = "2012",
language = "English",
volume = "3",
pages = "14--20",
journal = "MECCANICA DEI MATERIALI E DELLE STRUTTURE",
issn = "2035-679X",

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T1 - A NUMERICAL APPROACH FOR THE PREDICTION OF SOUND GENERATED BY A MISTUNED ROTOR CASCADE

AU - Marretta, Rosario

AU - Lombardo, Giuseppe

AU - Davi', Giuseppe

PY - 2012

Y1 - 2012

N2 - A numerical investigation on the effects of blade frequency mistuning on theacoustic emission of a rotor cascade in subsonic flow is shown. A numerical method has beendeveloped and implementd to obtain the mistuned rotor aeroelastic response and theassociated acoustic waves. Both the aeroelastic and acoustic models are based on a linearunsteady small perturbations theory. The dynamic aeroelastic coupling between bending andtorsional responses of each blade and the aerodynamic coupling among the blades areincluded in the formulation.

AB - A numerical investigation on the effects of blade frequency mistuning on theacoustic emission of a rotor cascade in subsonic flow is shown. A numerical method has beendeveloped and implementd to obtain the mistuned rotor aeroelastic response and theassociated acoustic waves. Both the aeroelastic and acoustic models are based on a linearunsteady small perturbations theory. The dynamic aeroelastic coupling between bending andtorsional responses of each blade and the aerodynamic coupling among the blades areincluded in the formulation.

UR - http://hdl.handle.net/10447/124501

M3 - Article

VL - 3

SP - 14

EP - 20

JO - MECCANICA DEI MATERIALI E DELLE STRUTTURE

JF - MECCANICA DEI MATERIALI E DELLE STRUTTURE

SN - 2035-679X

ER -