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 …
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 …
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
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 …
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
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 …
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
Centrifugal compressor aeroacoustics are analyzed by means of a three-dimensional CFD
model. Three operating points at nominal compressor speed are simulated ranging from …
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 …
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) …
using the three-dimensional (3-D) time-domain computational fluid dynamics (CFD) …
Set-up analysis and optimization of CFD simulations for radial turbines
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 …
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 …
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
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 …
development. In this paper, the analysis is focused on the whoosh noise produced by the …