Intrinsic thermoacoustic instabilities

CF Silva - Progress in Energy and Combustion Science, 2023 - Elsevier
It is accepted that the thermoacoustic behavior of a given combustion system can be
analyzed by investigating how its natural acoustic modes are perturbed by the flame …

Linear flow analysis inspired by mathematical methods from quantum mechanics

L Magri, PJ Schmid, JP Moeck - Annual Review of Fluid …, 2023 - annualreviews.org
Since its birth in the 1920s, quantum mechanics has motivated and advanced the analysis of
linear operators. In this effort, it significantly contributed to the development of sophisticated …

Dynamics and control of premixed combustion systems based on flame transfer and describing functions

T Schuller, T Poinsot, S Candel - Journal of Fluid Mechanics, 2020 - cambridge.org
This article describes recent progress on premixed flame dynamics interacting with acoustic
waves. Expressions are derived to determine the stability of combustors with respect to …

[图书][B] Nonconservative stability problems of modern physics

ON Kirillov - 2021 - books.google.com
This updated revision gives a complete and topical overview on Nonconservative Stability
which is essential for many areas of science and technology ranging from particles trapping …

Effects of liquid fuel/wall interaction on thermoacoustic instabilities in swirling spray flames

EL Schiavo, D Laera, E Riber, L Gicquel… - Combustion and Flame, 2020 - Elsevier
Computational prediction of thermoacoustic instabilities arising in gas turbine and aero-
engine combustors still remains a challenge especially if fuel is injected in a liquid spray …

[HTML][HTML] A novel method for stable thermoacoustic system design based on exceptional points-Part II: Application to laminar and turbulent flame configurations

M Casel, A Ghani - Combustion and Flame, 2024 - Elsevier
In this paper, we apply the novel EPTD (Exceptional Point-based Thermoacoustic Design)-
method derived in part I of this study (M. Casel & A. Ghani, Combust. Flame, 2024) to two lab …

[HTML][HTML] A novel method for stable thermoacoustic system design based on exceptional points-Part I: Conceptualization

M Casel, A Ghani - Combustion and Flame, 2024 - Elsevier
In this conceptual study, we introduce the novel EPTD (Exceptional Point-based
Thermoacoustic Design)-method for the design of stable thermoacoustic systems: dampen …

[HTML][HTML] Measuring acoustic transfer matrices of high-pressure hydrogen/air flames for aircraft propulsion

A Faure-Beaulieu, B Dharmaputra, B Schuermans… - Combustion and …, 2024 - Elsevier
Destructive thermoacoustic instabilities may potentially slow down significantly the ongoing
development of hydrogen combustors for decarbonizing aviation. Their early prediction …

[HTML][HTML] Nonlinear dynamics of pure intrinsic thermo-acoustic modes

R Wildemans, V Kornilov, P De Goey, IL Arteaga - Combustion and Flame, 2023 - Elsevier
In this paper the nonlinear dynamics of the pure Intrinsic Thermo-Acoustic (ITA) modes are
experimentally investigated for burner stabilized premixed flames by decoupling them from …

Combustion instability analysis on a partially premixed swirl combustor by thermoacoustic experiments and modeling

R Zhu, D Pan, C Ji, T Zhu, P Lu, H Gao - Energy, 2020 - Elsevier
The combustion instability of a partially premixed swirl burner is investigated by
experimental tests and numerical modeling. The experimental results show that the …