Intrinsic instability of different fuels spherically expanding flames: a review

F Oppong, Z Luo, X Li, Y Song, C Xu - Fuel Processing Technology, 2022 - Elsevier
Premixed flames have wide-ranging intrinsic instabilities which have been considerably
investigated recently. Intrinsic instability is a classical area in combustion science, it is of …

Structure and laminar flame speed of an ammonia/methane/air premixed flame under varying pressure and equivalence ratio

RC Rocha, S Zhong, L Xu, XS Bai, M Costa, X Cai… - Energy & …, 2021 - ACS Publications
This paper presents a joint experimental and numerical study on premixed laminar
ammonia/methane/air flames, aiming to characterize the flame structures and NO formation …

Investigation on hydrogen/ethanol intrinsic flame instability

T Li, XR Wang, Y Ma, L Wang, F Oppong, C Xu… - Combustion and …, 2022 - Elsevier
The instability of laminar premixed hydrogen–ethanol flame was studied under different
initial pressure, hydrogen ratio, and equivalence ratio conditions by using a constant volume …

[HTML][HTML] Study and characterization of the instabilities generated in expanding spherical flames of hydrogen/methane/air mixtures

M Reyes, R Sastre, FV Tinaut… - international journal of …, 2022 - Elsevier
In the present work an analysis of the origin and nature of intrinsic instabilities in combustion
processes with different hydrogen/methane mixtures is developed. These expanding …

Revisiting effective Lewis number of combustible mixtures

LQ Wang, Y Ge, HH Ma - Fuel, 2023 - Elsevier
Lewis number (Le) is of importance in the field of premixed combustion. In this study, the
effective Lewis numbers of combustible mixtures containing a single fuel (CH 4/air, C 3 H …

Cellularization characteristics of ethyl acetate spherical expanding flame

X Li, Q Wang, F Oppong, W Liu, C Xu - Fuel, 2021 - Elsevier
The cellular instability of ethyl acetate (EA) premixed flame has been studied theoretically
and experimentally under different initial temperature, pressure and equivalence ratio. The …

[HTML][HTML] Comparative effects of plasma and preheating in assisting premixed ammonia/air flames: A DNS study

M Shahsavari, N Chakraborty, S Zhong… - Fuel, 2025 - Elsevier
Abstract In this study, Direct Numerical Simulations are utilized to investigate turbulent
premixed NH 3/air flames assisted by two distinct methods: non-equilibrium nanosecond …

[HTML][HTML] A numerical study on premixed laminar ammonia/air flames enriched with hydrogen: An analysis on flame–wall interaction

P Tamadonfar, S Karimkashi, T Zirwes, V Vuorinen… - Combustion and …, 2024 - Elsevier
Ammonia (NH 3) has been recognized as a potential carbon-free synthetic fuel of the near
future. To enhance its low reactivity, one practical option is to blend it with hydrogen (H 2). In …

Investigations on cellularization instability of 2-ethylfuran

C Xu, W Liu, F Oppong, Q Wang, ZY Sun, X Li - Renewable energy, 2022 - Elsevier
ethylfuran (2 EF) has potential as a biofuel for combustion devices. To apply it efficiently in
combustion devices, it is necessary to study the combustion characteristics such as the …

The effect of intrinsic instability on the surface topography of spherical 2-acetylfuran flame

C Xu, Q Wang, X Li, F Oppong, W Liu - Fuel, 2022 - Elsevier
The intrinsic instability of 2-acetylfuran (2-AF) expanding flame has been investigated at
initial temperatures of 453–493 K, pressures of 1–3 bar, and equivalence ratios of 0.8–1.4 …