Critical transitions and their early warning signals in thermoacoustic systems
Many complex systems undergo critical transitions. A thermoacoustic system is one such
system which exhibits a catastrophic transition to a state of oscillatory instability known as …
system which exhibits a catastrophic transition to a state of oscillatory instability known as …
Critical slowing down precursor information for the acoustic emission response characteristics of defective tuffs
Z Zhang, Z Song, J Lai, J Qiu, Y Cheng… - Theoretical and Applied …, 2024 - Elsevier
Fracture characteristics of rock and rational structural design are necessary to ensure the
stability of underground rock engineering. Early warning of rock damage is a hot and …
stability of underground rock engineering. Early warning of rock damage is a hot and …
The critical slowing-down characteristics of multi-physical field monitoring information about the brittle failure of rock under three-point bending
P Liang, Z Li, Q Li, G Yu, S Wang, Q Han… - … Testing and Evaluation, 2024 - Taylor & Francis
Identifying precursor information to rock failure is key to rock dynamic disaster warning. To
solve the problem that a single in-situ monitoring method cannot accurately identify the …
solve the problem that a single in-situ monitoring method cannot accurately identify the …
Detection of precursors of combustion instability using convolutional recurrent neural networks
Many combustors are prone to Thermoacoustic Instabilities (TAI). Being able to avoid TAI is
mandatory to efficiently operate a system without sacrificing neither performance nor safety …
mandatory to efficiently operate a system without sacrificing neither performance nor safety …
Monitoring combustion instabilities of stratified swirl flames by feature extractions of time-averaged flame images using deep learning method
Y Zhou, C Zhang, X Han, Y Lin - Aerospace Science and Technology, 2021 - Elsevier
The present article investigates the application of deep learning methods to monitor
combustion instabilities based on time-averaged flame images. Experiments on BASIS …
combustion instabilities based on time-averaged flame images. Experiments on BASIS …
Early detection of thermoacoustic instability in a staged single-sector combustor for aircraft engines using symbolic dynamics-based approach
We experimentally conduct an early detection of thermoacoustic instability in a staged single-
sector combustor using a novel methodology that combines symbolic dynamics and …
sector combustor using a novel methodology that combines symbolic dynamics and …
Precursor detection of thermoacoustic instability using statistical complexity and artificial neural network
Z Lyu, Y Fang, G Wang - Physics of Fluids, 2023 - pubs.aip.org
Thermoacoustic instability (TAI) is a critical challenge for modern lean-burn combustion
systems. This phenomenon is commonly undesired and should be avoided or suppressed to …
systems. This phenomenon is commonly undesired and should be avoided or suppressed to …
Effect of background noise characteristics on early warning indicators of thermoacoustic instability
N Vishnoi, L Kabiraj - Combustion and Flame, 2024 - Elsevier
In this work, we investigate the effects of background noise characteristics—specifically
noise color (or correlation time) and intensity—arising from velocity-coupled and additive …
noise color (or correlation time) and intensity—arising from velocity-coupled and additive …
Effects of noise intensity on early warning indicators of thermoacoustic instability: An experimental investigation on a lean-premixed combustion system
N Vishnoi, R Steinert, A Saurabh, CO Paschereit… - Combustion and …, 2025 - Elsevier
In this work, we experimentally investigate the noise-induced dynamics of a lean premixed
combustion system operating on natural gas–air mixtures that exhibit thermoacoustic …
combustion system operating on natural gas–air mixtures that exhibit thermoacoustic …
[HTML][HTML] Failure prediction of fissured rock under freeze-thaw cycles based on critical slowing down theory of acoustic emission multi-parameter
X Liang, Z Liu, K Peng, H Wang, S Zhang, C Yuan - Results in Engineering, 2025 - Elsevier
Fissured rocks in cold regions are affected by freeze-thaw (FT) cycles and stress
disturbances, posing significant challenges to engineering projects in these areas …
disturbances, posing significant challenges to engineering projects in these areas …