Intrinsic thermoacoustic instabilities

CF Silva - Progress in Energy and Combustion Science, 2023 - Elsevier
… that have encountered unusual stability behavior when a thermoacoustic mode is confronted
… and postulate future paths for the further investigation of intrinsic thermoacoustic instability. …

Intrinsic thermoacoustic instability of premixed flames

T Emmert, S Bomberg, W Polifke - Combustion and Flame, 2015 - Elsevier
… The present paper focuses on thermoacoustic instabilities, … the 1930s, thermoacoustic
instabilities have impeded severely … technological relevance of these instabilities, their prediction …

Control of intrinsic thermoacoustic instabilities using hydrogen fuel

A Ghani, W Polifke - Proceedings of the Combustion Institute, 2021 - Elsevier
… for control of unstable intrinsic thermoacoustic (ITA) modes. … to the fuel mixture on the stability
of a laminar slit flame using … the ITA mode frequencies and their stability can be estimated. …

Numerical study on intrinsic thermoacoustic instability of a laminar premixed flame

CF Silva, T Emmert, S Jaensch, W Polifke - Combustion and Flame, 2015 - Elsevier
intrinsic thermoacoustic instabilities. In summary, the present study gives strong evidence
that intrinsic thermoacoustic instabilities … a type of combustion instability that until recently has …

Causality and intrinsic thermoacoustic instability modes

E Courtine, L Selle, F Nicoud, W Polifke, C Silva… - CTR-Summer …, 2014 - hal.science
Direct numerical simulation of a confined laminar premixed flame has been performed in an
anechoic combustor, showing self-sustained intrinsic thermoacoustic oscillations. …

Investigation on the intrinsic thermoacoustic instability of a lean-premixed swirl combustor with an acoustic liner

L Xu, J Zheng, G Wang, Z Feng, X Tian, L Li… - Proceedings of the …, 2021 - Elsevier
… and theoretical study on thermoacoustic instabilities of a premixed swirl combustor with an
acoustic liner. Both traditional cavity acoustic mode and intrinsic thermoacoustic mode are …

Entropy-involved energy measure study of intrinsic thermoacoustic oscillations

D Zhao, S Li, H Zhao - Applied energy, 2016 - Elsevier
… no self-sustained thermoacoustic oscillations in the absence … (also known as intrinsic
thermoacoustic instability) are … to study the stability behaviors of intrinsic thermoacoustic modes. …

Onset of flame-intrinsic thermoacoustic instabilities in partially premixed turbulent combustors

M Murugesan, B Singaravelu… - … Journal of Spray …, 2018 - journals.sagepub.com
… Further, we observe intrinsic thermoacousticthermoacoustic systems with increased
acoustic losses at the boundaries have to consider the possibility of flame intrinsic thermoacoustic

Intrinsic thermoacoustic modes in an annular combustion chamber

PE Buschmann, GA Mensah, JP Moeck - Combustion and Flame, 2020 - Elsevier
Thermoacoustic instabilities originate from the interaction of unsteady heat release rate …
thermoacoustic modes intrinsic to the flame. An analytical model for an annular thermoacoustic

Thermoacoustic Instability in Combustors

AS Morgans, D Yang - Annual Review of Fluid Mechanics, 2024 - annualreviews.org
… Returning to the underpinning mechanism, thermoacoustic instability arises due to a two-…
in amplitude—thermoacoustic instability. It is noted that intrinsic thermoacoustic modes arise …