[HTML][HTML] Recent developments on applying acoustic waves for efficiency improvements of different thermofluids systems

OA Zargar, AX Andrade, SC Hu, YC Shih… - International Journal of …, 2024 - Elsevier
This review classified recent works using proper acoustic waves to develop more efficient
thermofluids systems for different industrial equipment such as swirl combustor, jet in …

Forced response of laminar non-premixed jet flames

N Magina, V Acharya, T Lieuwen - Progress in Energy and Combustion …, 2019 - Elsevier
This paper reviews current understanding of the manner in which non-premixed jet flames
respond to flow disturbances, and compares these characteristics to premixed flames …

Investigating the effect of local addition of hydrogen to acoustically excited ethylene and methane flames

T Hussain, M Talibi, R Balachandran - International Journal of Hydrogen …, 2019 - Elsevier
While lean combustion in gas turbines is known to reduce NOx, it makes combustors more
prone to thermo-acoustic instabilities, which can lead to deterioration in engine …

Blow-off characteristics of a premixed methane/air flame response to acoustic disturbances in a longitudinal combustor

Y Sun, M Sun, D Zhao, Y Chen, G Ma, M Wan… - Aerospace Science and …, 2021 - Elsevier
In this work, we conducted systematic studies on a premixed methane/air flame response to
acoustic disturbances in a longitudinal combustor with emphasis on the blow-off …

Effects of acoustic excitation on pinch-off flame structure and NOx emissions in H2/CH4 flame

M Ahn, Y Yoon, S Joo - International Journal of Hydrogen Energy, 2022 - Elsevier
The flame structure and exhaust emissions of pinch-off flames, in which flames are
separated under acoustic excitation conditions, were studied. Flame structure analysis was …

Pinch-off process of Burke–Schumann flame under acoustic excitation

M Ahn, D Lim, T Kim, Y Yoon - Combustion and Flame, 2021 - Elsevier
The pinch-off phenomenon in a flame refers to flame separation after reaching the critical
frequency and amplitude under acoustic excitation. The pinch-off flame consists of the main …

[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 …

Flame describing function and combustion instability analysis of non-premixed coaxial jet flames

T Kim, M Ahn, D Lim, Y Yoon - Experimental Thermal and Fluid Science, 2022 - Elsevier
This study examines the effect of nonlinear flame dynamics on combustion instabilities in
coaxial jet flames. The flame describing function (FDF) was used to establish this …

Experimental research on dynamic response characteristics of lean premixed flame excited by acoustic standing wave

Y Lou, Y Li, Z Yang, H Chen, M Zhu - Aerospace Science and Technology, 2024 - Elsevier
The compact combustor holds great potential in the aerospace field. However, it faces
challenges in terms of interaction between acoustic waves and flames, which affects …

Effects of Intrinsic Instabilities on the Response of Premixed Hydrogen/Air Conical Flames to Inlet Flow Perturbations

L Yang, Y Wang, T Zirwes, F Zhang, H Bockhorn… - Flow, Turbulence and …, 2024 - Springer
As a zero-carbon fuel, hydrogen is considered a promising alternative fuel. Hydrogen flames
can be greatly affected by intrinsic instabilities including the diffusional-thermal instability …