Sensitivity and nonlinearity of thermoacoustic oscillations

MP Juniper, RI Sujith - Annual Review of Fluid Mechanics, 2018 - annualreviews.org
Nine decades of rocket engine and gas turbine development have shown that
thermoacoustic oscillations are difficult to predict but can usually be eliminated with …

Prediction and control of combustion instabilities in real engines

T Poinsot - Proceedings of the Combustion Institute, 2017 - Elsevier
This paper presents recent progress in the field of thermoacoustic combustion instabilities in
propulsion engines such as rockets or gas turbines. Combustion instabilities have been …

[图书][B] Unsteady combustor physics

TC Lieuwen - 2021 - books.google.com
Explore a unified treatment of the dynamics of combustor systems, including acoustics, fluid
mechanics, and combustion in a single rigorous text. This updated new edition features an …

[HTML][HTML] Prediction of combustion instability limit cycle oscillations by combining flame describing function simulations with a thermoacoustic network model

X Han, J Li, AS Morgans - Combustion and Flame, 2015 - Elsevier
Accurate prediction of limit cycle oscillations resulting from combustion instability has been a
long-standing challenge. The present work uses a coupled approach to predict the limit …

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 …

The combined dynamics of swirler and turbulent premixed swirling flames

P Palies, D Durox, T Schuller, S Candel - Combustion and flame, 2010 - Elsevier
The dynamics of premixed confined swirling flames is investigated by examining their
response to incident velocity perturbations. A generalized transfer function designated as …

Nonlinear combustion instability analysis based on the flame describing function applied to turbulent premixed swirling flames

P Palies, D Durox, T Schuller, S Candel - Combustion and Flame, 2011 - Elsevier
Instability analysis of swirling flames is of importance in the design of advanced combustor
concepts for aircraft propulsion and powerplant for electricity production. Thermoacoustic …

Rijke tube: A nonlinear oscillator

K Manoj, SA Pawar, J Kurths, RI Sujith - Chaos: An Interdisciplinary …, 2022 - pubs.aip.org
Dynamical systems theory has emerged as an interdisciplinary area of research to
characterize the complex dynamical transitions in real-world systems. Various nonlinear …

Flame dynamics of a variable swirl number system and instability control

D Durox, JP Moeck, JF Bourgouin, P Morenton… - Combustion and …, 2013 - Elsevier
Swirling flame dynamics is investigated using a radial swirler equipped with movable
blades. This device allows to continuously change the swirl number and to examine various …

Suppression of instabilities of swirled premixed flames with minimal secondary hydrogen injection

G Oztarlik, L Selle, T Poinsot, T Schuller - Combustion and Flame, 2020 - Elsevier
The impact of hydrogen addition on the dynamics of a methane-air premixed flame is
explored for different injection strategies. The configuration is a swirled injector with a central …