Effect of flame macrostructures on thermoacoustic instabilities of hydrogen-rich fuels in turbulent bluff-body combustor

S Jatoliya, M Vadoliya, NA Baraiya, R Shah… - International Journal of …, 2024 - Elsevier
An experimental and numerical investigation is conducted on the thermo-acoustic stability of
a bluff-body turbulent combustor, considering variations in airflow rate and fuel composition …

Visualization of supersonic combustion using high-speed camera/dual-component planar laser-induced fluorescence simultaneous diagnostic technique

H Wang, Z He, T Tang, F Li, Y Tian, M Wan, J Zhu… - Physics of …, 2023 - pubs.aip.org
High-spatiotemporal-resolution diagnostics are important for capturing fine physicochemical
structures in supersonic combustion. In this study, a high-speed camera (HSC)/dual …

Thermal radiation hazards of the external flow field for vented hydrogen–air explosion: Effect of nitrogen fraction

B Li, X Song, D Zhang, Z Zhang, J Chen, L Xie - Physics of Fluids, 2024 - pubs.aip.org
An experimental investigation is conducted to examine the impact of nitrogen fraction on
vented explosions of hydrogen–air–nitrogen mixtures in a 1-m-long cylindrical duct at 1 bar …

[HTML][HTML] The design of a combustion chamber operated in MILD regime—Numerical modeling of hydrogen combustion in oxygen–steam mixtures

A Ciesielska, A Klimanek, S Sładek… - Applied Thermal …, 2025 - Elsevier
The goal of the current work is to develop a combustion chamber that can operate on
recirculated steam produced by burning hydrogen in oxygen under conditions of Moderate …

Large eddy simulation of bluff-body turbulent hydrogen/nitrogen flames using principal component transport models with differential diffusion effects

S Abdelwahid, MR Malik, H Tang, A Alfazazi… - International Journal of …, 2024 - Elsevier
This study investigates the combustion characteristics of nonpremixed bluff-body stabilized
H 2/N 2-air flames, with a specific focus on a fully cracked ammonia case. The motivation …

Influence of distributed hydrogen injection and combustion on supersonic boundary layer stability and transition

VI Lysenko, SA Gaponov, BV Smorodsky… - Physics of …, 2023 - pubs.aip.org
This theoretical study recorded the influence of the distributed injection of hydrogen through
a permeable surface and its combustion on the stability and transition of a supersonic …

Numerical simulation on combustion characteristics of methane/hydrogen blended fuel for non-premixed conical bluff body burner

J Xiao, Q Liu, S He, S Wang, Z Zhang - International Journal of Hydrogen …, 2024 - Elsevier
Blending hydrogen into methane impacts flame stability, morphology, and pollutant
emissions. This study, set against the backdrop of hydrogen-enriched natural gas …

[HTML][HTML] Performance analysis of multiple structural parameters of injectors for hydrogen-mixed natural gas using orthogonal experimental methods

Y An, G Jia, W Xu, R Li, M Cai - Physics of Fluids, 2023 - pubs.aip.org
Hydrogen is a clean energy source with high combustion calorific value and nonpolluting
products. However, the high transportation costs hinder the development of hydrogen …

Impact of H2 Blending of Methane on Micro-Diffusion Combustion in a Planar Micro-Combustor with Splitter

S Sudarsanan, RK Velamati, ABS Alquaity, P Selvaraj - Energies, 2024 - mdpi.com
An investigation into the non-premixed combustion characteristics of methane in a planar
micro-combustor with a splitter was performed. The impact of blending methane with …

[HTML][HTML] Insights into the flow and scalar structures when shifting from methane to hydrogen turbulent flames using simultaneous PIV–OH PLIF and spontaneous …

K Rajamanickam, AM Mahuthannan, C Lacour… - Proceedings of the …, 2024 - Elsevier
This study discusses fundamental turbulence-chemistry interactions in a canonical non-
premixed bluff body burner fueled with 100% methane or hydrogen. Simultaneous time …