Turbomachinery Noise Review

S Moreau, M Roger - … Journal of Turbomachinery, Propulsion and Power, 2024 - mdpi.com
The present paper is aimed at providing an updated review of prediction methods for the
aerodynamic noise of ducted rotor–stator stages. Indeed, ducted rotating-blade technologies …

Turbofan broadband noise prediction using the lattice Boltzmann method

D Casalino, A Hazir, A Mann - AIAA Journal, 2018 - arc.aiaa.org
The present work describes a numerical reproduction of the 22-in source diagnostic test fan
rig of the NASA Glenn Research Center. Numerical flow simulations are performed for three …

Small samples noise prediction of train electric traction system fan based on a multiple regression-fuzzy neural network

T Li, X Wu, Y He, X Peng, J Yang, R Ding… - Engineering Applications of …, 2023 - Elsevier
The fan noise in the train electric traction system contributes to the main noise of the train,
affecting the comfort of the passengers. The prediction of fan noise can serve as a …

Parametric study on state-of-the-art analytical models for fan broadband interaction noise predictions

D Lewis, J de Laborderie, M Sanjosé, S Moreau… - Journal of Sound and …, 2021 - Elsevier
Abstract Rotor–Stator Interaction (RSI) noise predictions using analytical models have
become a first hand approach to perform quick and efficient noise assessments. However, a …

A rod-linear cascade model for emulating rotor-stator interaction noise in turbofans: A numerical study

C Teruna, D Ragni, F Avallone, D Casalino - Aerospace Science and …, 2019 - Elsevier
This manuscript presents a rod-linear cascade model for emulating rotor-stator interaction
noise. The model is intended as a test platform for studying noise mitigation techniques for a …

An analytic solution for gust–cascade interaction noise including effects of realistic aerofoil geometry

PJ Baddoo, LJ Ayton - Journal of Fluid Mechanics, 2020 - cambridge.org
This paper presents an analytic solution for the sound generated by rotor–stator interaction
for aerofoils with small camber and thickness subject to a background flow with small angle …

Triple decomposition of unsteady flow in a low-speed mixed-flow fan

Y Mao, X Gu, C Xu, D Yang - AIAA Journal, 2024 - arc.aiaa.org
Numerous studies (including theoretical modeling, numerical simulation, and experimental
measurement) have confirmed that wake interaction is a primary factor affecting tonal and …

On the effects of fan wake modelling and vane design on cascade noise

F Gea-Aguilera, J Gill, X Zhang - Journal of Sound and Vibration, 2019 - Elsevier
This paper investigates simplified and representative configurations of fan wake-cascade
interaction noise, which is a major source of broadband noise in ultra-high bypass ratio …

Analysis of fan-stage gap-flow data to inform simulation of fan broadband noise

S Grace, I Gonzalez-Martino… - … Transactions of the …, 2019 - royalsocietypublishing.org
Time-resolved simulations present a new opportunity for studying the disturbances
responsible for the broadband interaction noise created by the fan stage. In this paper, two …

[图书][B] Analytic solutions for flows through cascades

PJ Baddoo - 2020 - books.google.com
This thesis is concerned with flows through cascades, ie periodic arrays of obstacles. Such
geometries are relevant to a range of physical scenarios, chiefly the aerodynamics and …