Modern Koopman theory for dynamical systems

SL Brunton, M Budišić, E Kaiser, JN Kutz - arXiv preprint arXiv:2102.12086, 2021 - arxiv.org
The field of dynamical systems is being transformed by the mathematical tools and
algorithms emerging from modern computing and data science. First-principles derivations …

[图书][B] Data-driven science and engineering: Machine learning, dynamical systems, and control

SL Brunton, JN Kutz - 2022 - books.google.com
Data-driven discovery is revolutionizing how we model, predict, and control complex
systems. Now with Python and MATLAB®, this textbook trains mathematical scientists and …

[图书][B] Dynamic mode decomposition: data-driven modeling of complex systems

The integration of data and scientific computation is driving a paradigm shift across the
engineering, natural, and physical sciences. Indeed, there exists an unprecedented …

Coupling between hydrodynamics, acoustics, and heat release in a self-excited unstable combustor

ME Harvazinski, C Huang, V Sankaran, TW Feldman… - Physics of …, 2015 - pubs.aip.org
The unsteady gas dynamic field in a closed combustor is determined by the nonlinear
interactions between chamber acoustics, hydrodynamics, and turbulent combustion that can …

The use of OH* and CH* as heat release markers in combustion dynamics

S Sardeshmukh, M Bedard… - International Journal of …, 2017 - journals.sagepub.com
The study examines chemiluminescence measurements and computations as a method of
validation. Because chemiluminescent radicals are present in small concentrations and …

Control of self-excited thermoacoustic oscillations using transient forcing, hysteresis and mode switching

Y Guan, W He, M Murugesan, Q Li, P Liu, LKB Li - Combustion and Flame, 2019 - Elsevier
In many combustion devices, strong self-excited flow oscillations can arise from feedback
between unsteady heat release and acoustics, resulting in increased vibration and pollutant …

Self-sustained, high-frequency detonation wave generation in a semi-bounded channel

K Schwinn, R Gejji, B Kan, S Sardeshmukh… - Combustion and …, 2018 - Elsevier
Combustion dynamics in a linear, semi-bounded channel were studied to characterize
injection, mixing, and ignition processes in a two dimensional analogue of a rotating …

Multi-scale proper orthogonal decomposition analysis of instabilities in swirled and stratified flames

A Procacci, MM Kamal, MA Mendez, S Hochgreb… - Physics of …, 2022 - pubs.aip.org
This study examines the flow field dynamics of bluff-body stabilized swirling and non-
swirling flames produced from the Cambridge/Sandia Stratified Swirl Burner. This burner …

Longitudinal combustion instability of a pintle injector for a liquid rocket engine combustor

K Sakaki, T Funahashi, S Nakaya, M Tsue, R Kanai… - Combustion and …, 2018 - Elsevier
The longitudinal combustion instability characteristics of a pintle injector for a liquid rocket
engine combustor are investigated experimentally. The effects of the propellant total …

[HTML][HTML] Higher order dynamic mode decomposition to model reacting flows

A Corrochano, G D'Alessio, A Parente… - International Journal of …, 2023 - Elsevier
This work presents a new application of higher order dynamic mode decomposition
(HODMD) for the analysis of reactive flows. Due to the high complexity of the data analysed …