An experimental study of thermoacoustic instabilities in a RP-3 fueled multi-swirl stabilized lean direct injection combustor

Q Yao, O Shi, L Song, W Jin, J Li, H Liu… - Applied Thermal …, 2024 - Elsevier
An investigation of self-excited combustion instabilities in a RP-3 fueled, multi-swirl
stabilized, lean direct injection (LDI) combustor was performed and investigated with …

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 …

Modal decomposition of the unsteady non-reactive flow field in a swirl-stabilized combustor operated by a Lean Premixed injection system

FJ Salvador, M Carreres, J García-Tíscar… - Aerospace Science and …, 2021 - Elsevier
This work is focused on the numerical study of low-order coherent structures of a high-
swirled laboratory-scaled combustor operated by a Lean Premixed (LP) injection system in …

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 …

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 …

E-POD investigations of turbulent premixed flame dynamics approaching lean blow-out conditions

R Meloni, N Chiarizia, PC Nassini… - International Journal of …, 2023 - journals.sagepub.com
Thanks to the continuous computational power increase, the use of high-fidelity
computational fluid dynamics (CFD) simulations is nowadays customary, especially in the …

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 …

Influence of liquid-fuel swirl injection pressure on the flow dynamics characteristics in a lean direct injection gas turbine combustor using Eulerian-Lagrangian large …

JC Kim, E Yoo, HG Sung - Journal of Mechanical Science and Technology, 2024 - Springer
The effect of the injection pressure on the dynamic flow characteristics of a lean direct
injection gas turbine combustor under nonreactive conditions during liquid fuel atomization …

An assessment of combustion dynamics in a low-NOx, second-generation swirl-venturi lean direct injection combustion concept

KM Tacina, CT Chang, P Lee, H Mongia, DP Podboy… - 2015 - ntrs.nasa.gov
Dynamic pressure measurements were taken during flame-tube emissions testing of three
second-generation swirl-venturi lean direct injection (SV-LDI) combustor configurations …

Numerical investigation of combustion instabilities in a single-element lean direct inject combustor using flamelet based approaches

SS Patwardhan, P Nakod… - … of Engineering for …, 2020 - asmedigitalcollection.asme.org
In this paper, high-fidelity large eddy simulations (LES) along with flamelet-based
combustion models are assessed to predict combustion dynamics in low-emission gas …