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 …

Singular spectrum analysis as a tool for early detection of centrifugal compressor flow instability

A Logan, DG Cava, G Liśkiewicz - Measurement, 2021 - Elsevier
Centrifugal compressor machinery is subject to a potentially damaging phenomenon called
surge at low mass flow rates. This effect may be preceded by a phenomena known as inlet …

Roles of recirculating bubble on the performance of centrifugal compressors

Y Lin, T Fan, X Zheng - Aerospace Science and Technology, 2021 - Elsevier
Research works over the years have identified a recirculating bubble locating at impeller
shroud in centrifugal compressor operating under off-design conditions. However, its roles …

An overview of flow instabilities occurring in centrifugal compressors operating at low flow rates

J Vacula, P Novotný - Journal of Engineering for …, 2021 - asmedigitalcollection.asme.org
Researchers from all over the world have been researching the aerodynamics of centrifugal
compressors. They have explained many properties of the aerodynamic phenomena …

[HTML][HTML] Aerodynamic instabilities detection via empirical mode decomposition in centrifugal compressors

M Stajuda, DG Cava, G Liśkiewicz - Measurement, 2022 - Elsevier
Detection of aerodynamic instabilities in compressors is of great importance for machine
safety and efficiency. It is a challenge due to their highly non-stationary and non-linear …

Local flow measurements in a turbocharger compressor inlet

AJ Torregrosa, A Broatch, X Margot… - … Thermal and Fluid …, 2017 - Elsevier
This paper describes an experimental study carried out with the objective of characterizing
flow instabilities in turbocharger compressors, specially the distribution of the high …

Surge detection approach for magnetically suspended centrifugal compressors using adaptive frequency estimator

Y Zhang, S Zheng, Q Chen… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
The active surge suppression is a challenging topic in the industrial compressor systems.
This paper addresses the two issues on the surge detection approach for magnetically …

Two-regime surge mechanism in centrifugal compressors

Y Lin, Z Niu, X Zheng - Journal of Propulsion and Power, 2023 - arc.aiaa.org
Instability inception and evolution leading to surge have been key limiting factors to the
stable operation of centrifugal compressors. The compressor generally experiences flow …

Incipient surge detection in automotive turbocharger compressors

Nowadays, turbocharging is a technique widely used to improve fuel consumption and
exhaust emissions in automotive engines. Centrifugal compressors are typically adopted …

Experimental Research on Flow Instability Mechanism of a Highly Loaded Axial Compressor

S Huang, G Han, C Yang - … of Engineering for …, 2023 - asmedigitalcollection.asme.org
The performance and stable operating range of compressors are critical for the efficient
operation of various turbomachinery systems. To reveal the flow instability mechanism of a …