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 …

[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 …

[HTML][HTML] Comparison of empirical mode decomposition and singular spectrum analysis for quick and robust detection of aerodynamic instabilities in centrifugal …

M Stajuda, D García Cava, G Liśkiewicz - Sensors, 2022 - mdpi.com
Aerodynamic instabilities in centrifugal compressors are dangerous phenomena affecting
machine efficiency and in severe cases leading to failure of the compressing system. Quick …

[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 …

Mathematical model of electrotechnical complex for power supply system

VH Lysiak, YL Shelekh… - … Tekhnologii, Mekhaniki i …, 2017 - search.proquest.com
We study the physical processes occurring in electrotechnical complexes with turbo
mechanisms and pipelines. The strategy for improvement of the methods and means is …

Stable or not stable? Recognizing surge based on the pressure signal

D Garcia, G Liśkiewicz - Transactions of the Institute of Fluid-Flow …, 2016 - yadda.icm.edu.pl
The paper describes the general concept of using the rapid prototyping methods and their
application to manufacturing of selected components of rotating machinery. Chosen rapid …

Detection of inlet recirculation as an early indicator of proximity to instability in centrifugal compressors

A Logan, D Garcia Cava… - … On Compressor & …, 2018 - strathprints.strath.ac.uk
Compressing units are subject to a potentially damaging phenomenon known as surge at
low flow rates. This effect may be preceded by an effect called inlet recirculation–a flow …

Evaluation of EMD and SSA sensitivity for efficient detection of aerodynamic instabilities in centrifugal compressors

M Stajuda, DG Cava… - 2021 Signal Processing …, 2021 - ieeexplore.ieee.org
Aerodynamic instabilities in centrifugal compressors are dangerous phenomena affecting
machines efficiency and in severe cases leading to failures of the compressing system due …

Numerical study of surge predecessors in centrifugal blower—inlet recirculation

J Chmielecki, G Liśkiewicz… - Transactions of the …, 2016 - yadda.icm.edu.pl
Paper presents the numerical investigation of inlet recirculation in a centrifugal blower. This
phenomenon is known as a local flow instability that is not too harmful in centrifugal …