Towards drop-in sustainable aviation fuels in aero engine combustors: Fuel effects on combustion performance

C Ruan, L Yu, X Lu - Progress in Aerospace Sciences, 2024 - Elsevier
The application of sustainable aviation fuels (SAFs) in aviation industry has emerged as a
key strategy for reducing the net carbon oxide (CO 2) emissions while minimizing …

Impact of spray dynamics on combustion instabilities investigated by changing the atomizer recess in a swirl combustor

PR Soundararajan, D Durox, A Renaud… - Combustion and Flame, 2023 - Elsevier
The present article is aimed at identifying the impact of spray-wall interaction on combustion
instabilities. This is achieved by systematically modifying the liquid fuel atomizer location …

Swirler effects on combustion instabilities analyzed with measured FDFs, injector impedances and damping rates

PR Soundararajan, D Durox, A Renaud, G Vignat… - Combustion and …, 2022 - Elsevier
The influence of the injection system on combustion instabilities is investigated on a
laboratory-scale combustor equipped with a single injector that is weakly-transparent to …

Combustion instability of ethanol and n-heptane fuels under different combustor geometries

Z Liu, D Wei, M Ji, H Fang, H Zhou - Journal of the Energy Institute, 2022 - Elsevier
Combustion instability has become one of the most significant challenges faced in designing
modern industrial gas turbines and aero-engines. In this study, the influence of combustor …

Experimental study on combustion and thermoacoustic instability characteristics of ethanol/methane Co-firing flames

H Fang, D Wei, H Zhou - Journal of the Energy Institute, 2024 - Elsevier
This paper investigates the combustion and thermoacoustic instability characteristics of
ethanol/methane co-firing flames. Methane was introduced into the combustion chamber in …

Experimental research on using CO2-Ar microjets to control liquid fuel combustion instability and pollutant emission

Z Liu, H Zhou, D Wei, H Fang - Journal of the Energy Institute, 2021 - Elsevier
Combustion instability has become an obstacle to the development of modern gas turbines.
In this study, four categories of jet tubes inject CO 2-Ar mixture to the flame root at different …

Do flame describing functions suitably represent combustion dynamics under self-sustained oscillations?

PR Soundararajan, G Vignat, D Durox… - Journal of Sound and …, 2022 - Elsevier
Transfer function concepts that appear in many areas and most notably in control systems
have been extensively used to represent the flame response in low-order models of …

A joint experimental and large eddy simulation characterization of the liquid fuel spray in a swirl injector

G Vignat… - … for Gas Turbines …, 2021 - asmedigitalcollection.asme.org
The quality of liquid fuel spray injection determines to a large extent the performance of aero-
engine combustors. This investigation focuses on the detailed characterization of the liquid …

Data-driven model-based instability prediction in an annular combustor relying on a flame response mapping of the operating domain

V Latour, D Durox, A Renaud, S Candel - Combustion and Flame, 2024 - Elsevier
At a stage where new architectures and alternative fuels are being proposed to tackle the
environmental challenges, it is important to be able to deal with combustion dynamics issues …

Experimental study of combustion instability and emission characteristics of ethanol/ammonia co-firing swirl flame

D Wei, H Fang, H Tang, Y Wang, G Wei, H Zhou - Fuel, 2024 - Elsevier
Ammonia and ethanol are promising carbon–neutral alternative fuels that can be produced
through renewable energy sources. This study investigates the combustion instability and …