From pressure time series data to flame transfer functions: a framework for perfectly premixed swirling flames

A Ghani, A Albayrak - Journal of Engineering for …, 2023 - asmedigitalcollection.asme.org
We present a two-step optimization (TSO) framework, which uses the pressure data of an
unstable combustion process to estimate the complex-valued flame transfer function (FTF) …

Flame-acoustics interaction for symmetric and non-symmetric flames propagating in a narrow duct from an open to a closed end

C Jiménez, D Fernández-Galisteo… - Combustion and Flame, 2021 - Elsevier
We present a numerical study of the interaction of the flame and acoustic waves when a
laminar flame propagates in a narrow channel from an open to a closed end. It is shown that …

Global linear stability analysis of a flame anchored to a cylinder

C Wang, L Lesshafft, K Oberleithner - Journal of Fluid Mechanics, 2022 - cambridge.org
This study investigates the linear stability of a laminar premixed flame, anchored on a
square cylinder and confined inside a channel. Many modern linear analysis concepts have …

Entropy and flame transfer function analysis of a hydrogen-fueled diffusion flame in a longitudinal combustor

Y Sun, D Zhao, S Ni, T David, Y Zhang - Energy, 2020 - Elsevier
In this work, entropy generation and flame transfer function investigations are conducted on
a hydrogen-burnt diffusion flame in a longitudinal combustor with acoustic waves present …

[图书][B] Thermoacoustic Combustion Instability Control: Engineering Applications and Computer Codes

D Zhao - 2023 - books.google.com
Thermoacoustic Combustion Instability Control: Engineering Applications and Computer
Codes provides a unique opportunity for researchers, students and engineers to access …

Prediction of the flow response of a turbulent flame to acoustic pertubations based on mean flow resolvent analysis

TL Kaiser, L Lesshafft… - … of Engineering for …, 2019 - asmedigitalcollection.asme.org
Resolvent analysis is applied to a nonreacting and a reacting swirled jet flow. Time-
averaged flows as input for the resolvent analysis and validation for the results of the …

Flame transfer functions of asymmetric conical and V-shaped flames

Z Qiao, Y Lv - Aerospace Science and Technology, 2024 - Elsevier
Transfer functions of asymmetric flames subjected to incident flow perturbations are
explored using the classical kinematic model, the G-equation, parameterized by flame tip …

Experimental Study on Flame Response Characteristics of a Non-Premixed Swirl Model Combustor

C Yang, Y Liu, X Zhang, H Li, X Ge, F Jin, C Liu - Energies, 2023 - mdpi.com
Non-premixed swirl combustion has been widely used in pieces of industrial combustion
equipment such as industrial boilers, furnaces, and certain specific gas turbine combustors …

[HTML][HTML] Flame-acoustics interaction for flames propagating from the open to the closed end of a channel: effects of heat losses and the Lewis number

C Jiménez, VN Kurdyumov - Combustion and Flame, 2022 - Elsevier
In this paper we present a numerical study of the impact of heat losses and the differential
diffusion effect on the flame-acoustics interaction, for flames propagating from the open to …

Study on Unstable Combustion Characteristics of Model Combustor with Different Swirler Schemes

J Hao, Y Ding, C Yang, X Wang, X Zhang, Y Liu, F Jin - Energies, 2022 - mdpi.com
In this paper, the effect of the swirler scheme on combustion instability is studied. Through
the proper orthogonal decomposition (POD) of flame images, Abel inverse transform and …