[HTML][HTML] The influence of hydrogen on the stability of a perfectly premixed combustor
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 …
mixture on the stability of a perfectly premixed combustor. Experiments are carried out on a …
Large eddy simulations of mean pressure and H2 addition effects on the stabilization and dynamics of a partially-premixed swirled-stabilized methane flame
This work analyzes pressure and hydrogen enrichment effects on the stabilization and
combustion dynamics of a partially-premixed swirled-stabilized methane flame operated at …
combustion dynamics of a partially-premixed swirled-stabilized methane flame operated at …
[HTML][HTML] A novel method for stable thermoacoustic system design based on exceptional points-Part II: Application to laminar and turbulent flame configurations
M Casel, A Ghani - Combustion and Flame, 2024 - Elsevier
In this paper, we apply the novel EPTD (Exceptional Point-based Thermoacoustic Design)-
method derived in part I of this study (M. Casel & A. Ghani, Combust. Flame, 2024) to two lab …
method derived in part I of this study (M. Casel & A. Ghani, Combust. Flame, 2024) to two lab …
Comparison of combustion characteristics of MILD model combustor and multi-nozzle array model combustor fueled hydrogen-methane mixtures
Key issues facing the development of hydrogen gas turbines include achieving low NOx
emissions on hydrogen-enriched fuels, prevention of flashback and thermoacoustic …
emissions on hydrogen-enriched fuels, prevention of flashback and thermoacoustic …
[HTML][HTML] Predicting the effect of hydrogen enrichment on the flame describing function using machine learning
Y Shen, AS Morgans - International Journal of Hydrogen Energy, 2024 - Elsevier
As a promising strategy to mitigate carbon emissions, hydrogen enrichment of conventional
fuels is gaining increasing interest, but can lead to increased propensity to damaging …
fuels is gaining increasing interest, but can lead to increased propensity to damaging …
Strong flame interaction-induced collective dynamics of multi-element lean-premixed hydrogen flames
Multi-element injector configurations, typically comprising numerous small-scale jet nozzles,
will be required to enable reliable lean-premixed gas turbine combustion operating with …
will be required to enable reliable lean-premixed gas turbine combustion operating with …
[HTML][HTML] Transfer functions of lean fully-and technically-premixed jet-stabilized turbulent hydrogen flames
Understanding the response of multi-jet turbulent hydrogen-air flames to acoustic forcing is
key for the development of future carbon-neutral gas turbine combustors. In this paper, we …
key for the development of future carbon-neutral gas turbine combustors. In this paper, we …
[HTML][HTML] The effect of hydrogen enrichment on thermoacoustic instabilities in laminar conical premixed methane/air flames
We perform a conceptual study about the linear stability of a hydrogen-enriched methane-air
premixed laminar flame inside a cylindrical duct with both ends open. The flame and …
premixed laminar flame inside a cylindrical duct with both ends open. The flame and …
Adjoint-accelerated Bayesian inference applied to the thermoacoustic behaviour of a ducted conical flame
M Yoko, MP Juniper - Journal of Fluid Mechanics, 2024 - cambridge.org
We use Bayesian inference, accelerated by adjoint methods, to construct a quantitatively
accurate model of the thermoacoustic behaviour of a conical flame in a duct. We first perform …
accurate model of the thermoacoustic behaviour of a conical flame in a duct. We first perform …
[HTML][HTML] Enhanced ammonia combustion by partial pre-cracking strategy in a gas turbine model combustor: Flame macrostructures, lean blowout characteristics and …
Cofiring with hydrogen presents a reasonable approach to achieve enhanced ammonia (NH
3) combustion without introducing an extra carbon footprint. A promising strategy for NH 3/H …
3) combustion without introducing an extra carbon footprint. A promising strategy for NH 3/H …