Turbulence in cavity acoustic black hole

X Liang, J Chu, Z Zhou, C Hu, J Peng, B Liu… - … Systems and Signal …, 2022 - Elsevier
In this paper, we adopt both numerical and experimental approaches to investigate the
turbulent flow in a cavity Acoustic Black Hole (ABH), and the low frequency sound energy …

[HTML][HTML] Dynamic Response of the Pitot Tube with Pressure Sensor

J Pieniążek, P Cieciński, D Ficek, M Szumski - Sensors, 2023 - mdpi.com
This paper presents an attempt to determine the dynamic properties of a measuring system
based on total pressure measurement with the use of a Pitot tube and a semiconductor …

Methodology for experimental validation of a CFD model for predicting noise generation in centrifugal compressors

A Broatch, J Galindo, R Navarro… - International Journal of …, 2014 - Elsevier
Centrifugal compressors working in the surge side of the map generate a broadband noise
in the range of 1–3 kHz, named as whoosh noise. This noise is perceived at strongly …

Influence of tip clearance on flow behavior and noise generation of centrifugal compressors in near-surge conditions

J Galindo, A Tiseira, R Navarro, MA López - … Journal of Heat and Fluid Flow, 2015 - Elsevier
CFD has become an essential tool for researchers to analyze centrifugal compressors. Tip
leakage flow is usually considered one of the main mechanisms that dictate compressor flow …

Numerical and experimental analysis of automotive turbocharger compressor aeroacoustics at different operating conditions

A Broatch, J Galindo, R Navarro… - International journal of …, 2016 - Elsevier
Centrifugal compressor aeroacoustics are analyzed by means of a three-dimensional CFD
model. Three operating points at nominal compressor speed are simulated ranging from …

Computational fluid dynamics-based numerical analysis of acoustic attenuation and flow resistance characteristics of perforated tube silencers

C Liu, Z Ji - Journal of Vibration and Acoustics, 2014 - asmedigitalcollection.asme.org
The 3D time-domain computational fluid dynamics (CFD) approach is used to calculate the
acoustic attenuation performance of perforated tube silencers without and with flow. For the …

Transmission loss prediction of reactive silencers using 3-D time-domain CFD approach and plane wave decomposition technique

DD Zhu, ZL Ji - Applied Acoustics, 2016 - Elsevier
A predictive method is proposed to determine the transmission loss of reactive silencers
using the three-dimensional (3-D) time-domain computational fluid dynamics (CFD) …

Set-up analysis and optimization of CFD simulations for radial turbines

J Galindo, S Hoyas, P Fajardo… - … of Computational Fluid …, 2013 - Taylor & Francis
This paper proposes a CFD method for simulating radial turbocharger turbine flows. A
review is presented of the computational model in terms of meshing, mesh movement …

Numerically estimating acoustic transmission loss of a reactive muffler with and without mean flow

DP Jena, SN Panigrahi - Measurement, 2017 - Elsevier
The present work numerically mimic the measurement techniques used to measure the
acoustic transmission loss (TL) of a muffler without and with mean flow. First, the three-pole …

Simulations and measurements of automotive turbocharger compressor whoosh noise

A Broatch, J Galindo, R Navarro… - Engineering …, 2015 - Taylor & Francis
Turbocharger noise has become a major concern in downsized automotive engine
development. In this paper, the analysis is focused on the whoosh noise produced by the …