[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 …

[PDF][PDF] Flow instabilities detection in centrifugal blower using empirical mode decomposition

M Stajuda, G Liskiewicz, D Garcia - Proceedings of the Global Power & …, 2019 - gpps.global
The aim of this article is to present the application of empirical mode decomposition (EMD)
for centrifugal blower flow instabilities detection. The analysis of pressure signal features …

Experimental analysis of surge-detection system based on pressure derivatives at part-speed operation

G Liskiewicz, K Kabalyk… - … for Gas Turbines …, 2021 - asmedigitalcollection.asme.org
This paper presents tests of an antisurge system based on pressure derivatives. The control
algorithm was proven to work on different machines and with different unstable flow …

[PDF][PDF] Compressor modeling using Greitzer model validated by pressure oscillations

F Grapow, G Liśkiewicz - Transactions of the Institute of Fluid …, 2016 - yadda.icm.edu.pl
Nowadays compressors are used in almost every industry. Compressor failure can suspend
production of the whole system so the importance of preventing from failures is obvious and …

Sensitivity Study of Greitzer Model Based on Physical System Parameters of Radial Compressing Units

A Jaeschke, G Liśkiewicz - Energies, 2020 - mdpi.com
Centrifugal compressors are key elements of energy systems and industrial installations
including fluid flow. Their operating range is strictly limited by the surge phenomenon. The …

Analysis of Unstable Radial Compressor Operation in a System With Large Plenum Volume: Mathematical Modelling and Experimental Results

A Jaeschke, K Kabalyk… - … Expo: Power for …, 2018 - asmedigitalcollection.asme.org
The paper focusses on the numerical and experimental investigation of the operation of a
centrifugal compressor connected to a large plenum volume. The experimental study …

Experimental Analysis of Surge-Detection System Based on Pressure Derivatives at Part-Speed Operation

G Liskiewicz, K Kabalyk… - … Expo: Power for …, 2020 - asmedigitalcollection.asme.org
This paper presents tests of an anti-surge system based on pressure derivatives. The control
algorithm was proven to work on different machines and with different unstable flow …

Cyclostationary Approach for Instabilities Detection and Condition Monitoring of Centrifugal Compressor

M Stajuda, D Garcia Cava… - … Expo: Power for …, 2020 - asmedigitalcollection.asme.org
This study intends to explore the capabilities of the cyclostationary approach for instabilities
detection and operating conditions monitoring of centrifugal compressors. Cyclostationary …

[PDF][PDF] MATHEMATICAL MODELLING OF THE ANTI-SURGE SYSTEM OPERATION

A Jaeschke - The Book of Articles National Scientific Conference … - promovendi.pl
Radial compressors are widely used in many branches of industry. Their failure can be a
cause of serious financial losses. One of reasons that can lead to failure of compressor is the …

Mathematical surge modeling based on the pressure oscillations in the stable operation range of the compressor

A Jaeschke, G Liśkiewicz - Transactions of the Institute of Fluid-Flow …, 2016 - infona.pl
Prevention of surge phenomenon is a very active field of research in last decades. The
Greitzer model is the most widely applied mathematical model describing the surge …