Analysis of self-excited combustion instabilities using decomposition techniques

C Huang, WE Anderson, ME Harvazinski, V Sankaran - AIAA Journal, 2016 - arc.aiaa.org
Proper orthogonal decomposition and dynamic mode decomposition are evaluated for the
study of self-excited longitudinal combustion instabilities in laboratory-scaled single-element …

[HTML][HTML] Effects of swirl numbers on the unsteady characteristics of pilot flame in a triple-swirler staged combustor

T Zhou, K Zhao, F Li, K Wang, N Meng… - Case Studies in Thermal …, 2023 - Elsevier
This paper studies the effects of the inner and outer pilot swirlers on the flame structures and
thermo-acoustic instabilities in the triple-swirler staged combustors under various inner and …

[HTML][HTML] Impact of pilot swirling combination on the flow and emission characteristics of staged lean direct injection combustors

T Zhou, K Zhao, F Li, K Wang, N Meng, D Wang - Energy Reports, 2022 - Elsevier
This paper considers a concentric staged triple swirler lean direct injection (LDI) combustor
and conducts numerical analysis to investigate the impact of inner and outer swirl flow of the …

Rapid Aluminum Nanoparticle Production by Milling in NH3 and CH3NH2 Atmospheres: An Experimental and Theoretical Study

BW McMahon, J Yu, JA Boatz… - ACS applied materials & …, 2015 - ACS Publications
Ball milling of aluminum in gaseous atmospheres of ammonia and monomethylamine
(MMA) was found to produce particles in the 100 nm size range with high efficiency. A …

Combustion dynamics behavior in a single-element lean direct injection (ldi) gas turbine combustor

C Huang, RM Gejji, WE Anderson, C Yoon… - 50th AIAA/ASME/SAE …, 2014 - arc.aiaa.org
A concurrent computational and experimental study of self-excited combustion dynamics in
a model configuration of a lean direct injection (LDI) gas turbine combustor are described …

Porous inserts for passive control of noise and thermo-acoustic instabilities in LDI combustion

JW Meadows, AK Agrawal - Combustion Science and Technology, 2015 - Taylor & Francis
In this study, ring-shaped porous inserts made from high-strength, temperature-resistant
ceramic materials are utilized within the combustor to passively reduce noise and thermo …

Experimental and Simulation Study on the Emissions of a Multi-Point Lean Direct Injection Combustor

P Zhu, Q Li, X Feng, H Liang, J Suo… - Journal of Applied Fluid …, 2023 - jafmonline.net
Spurred by the world's attention to pollution emissions from commercial aero-engines, the
International Civil Aviation Organization (ICAO) has made more stringent emission …

外激励作用下分层旋流火焰流场结构与火焰响应特性

宋雷洋, 姚倩, 黄晓锋, 袁丽, 李建中, 邓远灏, 田世泽 - 航空动力学报, 2024 - jasp.com.cn
为了探究贫油直喷(LDI) 燃烧室中剪切旋流与火焰的正反馈作用及其诱导燃烧不稳定机理,
通过大涡模拟(LES) 结合相空间重构, 模态分解分析方法研究了外激励作用下分层旋流火焰流场 …

Future trends in commercial aviation engines' combustion

HC Mongia - Novel combustion concepts for sustainable energy …, 2014 - Springer
This article gives an overview of the current rich-dome combustion system design,
requirements and challenges; followed by the first alternative to rich-domes that have been …

Experimental Study on OH* Chemiluminescence and Emissions in the Single-Element Lean Direct Injection Combustor

Q Li, J Suo, H Liang, Y Wu - Combustion Science and Technology, 2024 - Taylor & Francis
ABSTRACT OH* chemiluminescence and emissions of the convergent swirler module and
the Venturi swirler module are studied in a single-element lean direct injection combustor …