[HTML][HTML] The influence of hydrogen on the stability of a perfectly premixed combustor

JG Aguilar, E Æsøy, JR Dawson - Combustion and Flame, 2022 - Elsevier
In this paper we investigate the effects of increasing the amount of hydrogen in the fuel
mixture on the stability of a perfectly premixed combustor. Experiments are carried out on a …

Instability and mode transition analysis of a hydrogen-rich combustion in a model afterburner

S Nakaya, K Omi, T Okamoto, Y Ikeda, C Zhao… - Proceedings of the …, 2021 - Elsevier
Combustion instabilities were investigated experimentally for a hydrogen-rich combustion in
a model afterburner installed at the end of a high-enthalpy wind tunnel. Air was supplied at …

Operational issues in premixed combustion of hydrogen-enriched and syngas fuels

T García-Armingol, J Ballester - International Journal of Hydrogen Energy, 2015 - Elsevier
The growing interest in the use of syngas, as a means to reduce fossil fuel consumption and
CO 2 emissions, has promoted many works focused on evaluating their combustion …

Experimental investigation of lean-premixed hydrogen combustion instabilities in a can-annular combustion system

K Moon, Y Choi, KT Kim - Combustion and Flame, 2022 - Elsevier
Thermoacoustic interactions in a circumferential network of lean-premixed combustors have
a substantial impact on engine-level dynamics in a can-annular gas turbine combustion …

Subcritical thermoacoustic instabilities in a premixed combustor

J Moeck, M Bothien, S Schimek, A Lacarelle… - 14th AIAA/CEAS …, 2008 - arc.aiaa.org
In order to lower NOx emissions, lean premixed combustion was introduced by the gas
turbine industry. Combustion systems operating in this mode are, however, susceptible to …

Effects of fuel line acoustics on the self-excited combustion instability mode transition with hydrogen-enriched laboratory-scale partially premixed combustor

D Kim, S Joo, Y Yoon - International Journal of Hydrogen Energy, 2020 - Elsevier
A finite-element method study was conducted on a laboratory-scale partially premixed
combustor, for investigating the characteristics of combustion instability due to fuel …

Experimental study on the excitation of thermoacoustic instability of hydrogen-methane/air premixed flames under atmospheric and elevated pressure conditions

J Zhang, A Ratner - International Journal of Hydrogen Energy, 2019 - Elsevier
The current work examines the excitation of thermoacoustic instability of lean premixed
hydrogen-methane/air low swirl flames under both atmospheric and elevated pressure …

Hydrogen substitution of natural-gas in premixed burners and implications for blow-off and flashback limits

A Aniello, T Poinsot, L Selle, T Schuller - International Journal of Hydrogen …, 2022 - Elsevier
Two multi-perforated premixed burners, designed for natural gas, are fueled with increasing
hydrogen content to assess the limits of H 2 substitution and investigate potential risks …

Dynamics and control of premixed combustion systems based on flame transfer and describing functions

T Schuller, T Poinsot, S Candel - Journal of Fluid Mechanics, 2020 - cambridge.org
This article describes recent progress on premixed flame dynamics interacting with acoustic
waves. Expressions are derived to determine the stability of combustors with respect to …

Nonlinear hydrodynamic and thermoacoustic oscillations of a bluff-body stabilised turbulent premixed flame

CY Lee, LKB Li, MP Juniper… - Combustion Theory and …, 2016 - Taylor & Francis
Turbulent premixed flames often experience thermoacoustic instabilities when the
combustion heat release rate is in phase with acoustic pressure fluctuations. Linear methods …