Spark ignition transitions in premixed turbulent combustion

SS Shy - Progress in Energy and Combustion Science, 2023 - Elsevier
Recent discoveries and developments on the dynamic process of premixed turbulent spark
ignition are reviewed. The focus here is on the variation of turbulent minimum ignition …

[HTML][HTML] Laminar burning velocities and Markstein numbers for pure hydrogen and methane/hydrogen/air mixtures at elevated pressures

ALK Marwaan, J Yang, AS Tomlin, HM Thompson… - Fuel, 2023 - Elsevier
Spherically expanding flame propagations have been employed to measure flame speeds
for H 2/CH 4/air mixtures over a wide range of H 2 fractions (30%, 50%, 70 and 100 …

[HTML][HTML] Efficiency and raw emission benefits from hydrogen addition to methane in a Prechamber–Equipped engine

P Soltic, T Hilfiker - International Journal of Hydrogen Energy, 2020 - Elsevier
Providing high ignition energies to low reactivity (hard-to-ignite) fuels in premixed
combustion modes is a challenging task. This is especially true if diluted combustion and …

Three dimensional measurements of surface areas and burning velocities of turbulent spherical flames

P Ahmed, B Thorne, M Lawes, S Hochgreb… - Combustion and …, 2021 - Elsevier
Measurements of 3D turbulent flame surface area and burnt gas were carried out for
spherically expanding flames in different methane-air and hydrogen-air mixtures using a …

Flame stabilisation mechanism for under-expanded hydrogen Jets

K Takeno, H Kido, H Takeda, S Yamamoto, V Shentsov… - Fire, 2024 - mdpi.com
A hydrogen under-expanded jet released from a high-pressure vessel or equipment into the
atmosphere through a 0.53 mm diameter orifice results in a sustained lifted flame for …

Experimental and numerical investigation of the stabilization mechanism of methane micromix flames with jet-impinging structure

C Liu, Z Wang, B Sa, W Shao, Z Zhang - Fuel, 2024 - Elsevier
Micromix combustion has the potential to achieve ultra-low NOx emissions. The jet-
impinging structure is generally applied for micromix nozzles to obtain a well-mixing …

Local flame and flow properties of propagating premixed turbulent flames during light-round process in a MICCA-type annular combustor

L Zhong, Y Yang, T Jin, Y Xia, Y Fang, Y Zheng… - Combustion and …, 2021 - Elsevier
In this paper, local flame and flow properties of propagating premixed turbulent propane/air
flames were derived by two-dimensional time-resolved Mie scattering and PIV methodology …

[HTML][HTML] The measurement of turbulent burning velocities of methane-hydrogen-air mixtures at elevated pressures in a spherical vessel

M Al-Khafaji, J Yang, AS Tomlin, HM Thompson… - Combustion and …, 2025 - Elsevier
Few previous experimental studies have focused on pre-mixed turbulent burning velocities
(ut) for hydrogen/air and methane/hydrogen/air mixtures, especially at the high-pressure …

Computational fluid dynamics model for analysis of the turbulent limits of hydrogen combustion

I Yakovenko, A Kiverin, K Melnikova - Fluids, 2022 - mdpi.com
This paper presents a novel numerical approach for assessing the turbulent limits of
hydrogen combustion. In the framework of this approach, the premixed combustion is …

Investigation on quenching characteristics of parallel narrow channels for deflagration flames

Y Lu, P Guo, Z Wang, X Wang, C Yan - Fire and Materials, 2023 - Wiley Online Library
A set of experimental equipment for quenching the deflagration flame in linked vessels with
parallel narrow channels was proposed. The quenching effects of the deflagration flame in …