[HTML][HTML] Synergistic interplay of thermodiffusive instability and turbulence in premixed flames
In this work, we experimentally analyze the interplay of thermo-diffusive (TD) intrinsic flame
instabilities and turbulence in premixed flame propagation. We utilize methane/hydrogen/air …
instabilities and turbulence in premixed flame propagation. We utilize methane/hydrogen/air …
Self-similar propagation and flame acceleration of hydrogen-rich syngas turbulent expanding flames
H Li, G Li, G Zhang - Fuel, 2023 - Elsevier
In order to investigate the flame self-similar propagation and flame acceleration
characteristics of hydrogen-rich syngas turbulent expanding flames, the turbulent …
characteristics of hydrogen-rich syngas turbulent expanding flames, the turbulent …
Flash-back, blow-off, and symmetry breaking of premixed conical flames
Hydrodynamic and thermal-diffusive effects subject premixed flames to intrinsic instabilities
that strongly influence their shape and propagation/stabilization characteristics. However …
that strongly influence their shape and propagation/stabilization characteristics. However …
[HTML][HTML] An extension of the artificially thickened flame approach for premixed hydrogen flames with intrinsic instabilities
Despite the growing interest in hydrogen as a fuel, current combustion models are still
incapable of considering the effects of intrinsic flame instabilities, such as increased flame …
incapable of considering the effects of intrinsic flame instabilities, such as increased flame …
[HTML][HTML] A-posteriori analysis of a data-driven filtered wrinkled flamelet model for thermodiffusively unstable premixed flames
State-of-the-art turbulent combustion models do not account for the effects of intrinsic flame
instabilities, which are known to have a non-negligible effect, under technically relevant …
instabilities, which are known to have a non-negligible effect, under technically relevant …
[HTML][HTML] The role of thermodiffusion and dimensionality in the formation of cellular instabilities in hydrogen flames
Hydrogen is quickly becoming one of the most important fuels for combustion applications.
However, compared to conventional hydro-carbon flames, the high diffusivity of hydrogen …
However, compared to conventional hydro-carbon flames, the high diffusivity of hydrogen …
[HTML][HTML] Evaluation of hydrogen/ammonia substitute fuel mixtures for methane: Effect of differential diffusion
One strategy for utilizing ammonia as an energy vector is to replace conventional
hydrocarbons with hydrogen-enriched ammonia in existing or retrofitted combustors …
hydrocarbons with hydrogen-enriched ammonia in existing or retrofitted combustors …
Structures of Laminar Lean Premixed H2/CH4/Air Polyhedral Flames: Effects of Flow Velocity, H2 Content and Equivalence Ratio
Polyhedral Bunsen flames, induced by hydrodynamic and thermo-diffusive instabilities, are
characterized by periodic trough and cusp cellular structures along the conical flame front. In …
characterized by periodic trough and cusp cellular structures along the conical flame front. In …
A numerical investigation into the stabilization of hydrogen enriched n-dodecane premixed flames
The aviation industry uses heavy hydrocarbon fuels, which release carbon-based emissions
upon combustion and could suffer from flame stabilization issues due to their high Lewis …
upon combustion and could suffer from flame stabilization issues due to their high Lewis …
Flame-wall interaction of thermodiffusively unstable hydrogen/air flames-Part I: Characterization of governing physical phenomena
Hydrogen combustion systems operated under fuel-lean conditions offer great potential for
low emissions. However, these operating conditions are also susceptible to intrinsic …
low emissions. However, these operating conditions are also susceptible to intrinsic …