Characteristics of ammonia-hydrogen nonpremixed bluff-body-stabilized flames

A Alfazazi, AM Elbaz, J Li, S Abdelwahid, HG Im… - Combustion and …, 2023 - Elsevier
The combustion of ammonia (NH 3) has received much attention over the last few years due
to challenges associated with its low reactivity and the emission of nitric oxides. One way to …

Toluene addition to turbulent H2/natural gas flames in bluff-body burners

AJ Gee, Y Yin, KK Foo, A Chinnici, N Smith… - International Journal of …, 2022 - Elsevier
A key challenge in the transition towards using hydrogen as an alternative carbon-free fuel
is the reduced thermal radiation due to the absence of soot. A novel solution to this may be …

Flow, mixing, and flame stabilization in bluff-body burner with decreased central jet velocity

J Wei, Q Xie, J Zhang, Z Ren - Physics of Fluids, 2021 - pubs.aip.org
The flame stabilization is a complex problem, especially when reducing the fuel supply, as it
involves complicated interactions of turbulence, mixing, and chemistry. In this study, the …

Numerical analysis of turbulent nitrogen-diluted hydrogen flames stabilised by star-shaped bluff bodies

A Wawrzak, L Caban, A Tyliszczak, E Mastorakos - Applied Energy, 2024 - Elsevier
In this paper, we investigate the flow and flame dynamics within a combustion chamber
supplied with nitrogen-diluted hydrogen fuel and air as oxidiser. The chamber is equipped …

Relationships between soot and the local instantaneous strain rate in turbulent non-premixed bluff-body flames

A Rowhani, Z Sun, PR Medwell, GJ Nathan… - Energy & …, 2022 - ACS Publications
In this paper, the simultaneous measurements of the local velocity using polarized particle
image velocimetry (P-PIV) and soot volume fraction, SVF, using planar laser-induced …

Large eddy simulation of soot evolution in turbulent nonpremixed bluff body flames

HM Colmán, PP Duvvuri, ME Mueller - Proceedings of the Combustion …, 2023 - Elsevier
Abstract Large Eddy Simulation (LES) is utilized to investigate soot evolution in a series of
turbulent nonpremixed bluff body flames featuring different bluff body diameters. The …

[HTML][HTML] Soot structure and flow characteristics in turbulent non-premixed methane flames stabilised on a bluff-body

A Rowhani, Z Sun, A Chinnici, PR Medwell, GJ Nathan… - Fuel, 2023 - Elsevier
The soot properties of methane in turbulent regimes are not well characterised but are highly
desirable. Methane is the main constituent of natural gas that is broadly used in many …

Quadrature-Based Moment Closures for Predicting Soot Formation in Laminar and Turbulent Non-Premixed Flames

JY Xing - 2022 - search.proquest.com
Fractional-order moment formulations of the quadrature method of moments (QMOM) and
conditional quadrature method of moments (CQMOM) with a fixed quadrature point at the …

Large Eddy Simulation of Ammonia–Hydrogen Nonpremixed Flames Stabilized on a Bluff Body Burner

Y Xia, I Verma, S Shrivastava… - … for Gas Turbines …, 2024 - asmedigitalcollection.asme.org
The demand for carbon-free fuels such as ammonia (⁠ NH 3⁠) and hydrogen (⁠ H 2⁠) has
been growing rapidly due to stricter environmental policies on carbon emissions. Since …

Large Eddy Simulation of the evolution of the soot size distribution in turbulent nonpremixed bluff body flames

HM Colmán, ME Mueller - arXiv preprint arXiv:2402.04560, 2024 - arxiv.org
Large Eddy Simulation (LES) was used to investigate the evolution of the soot size
distribution in a series of turbulent nonpremixed bluff body flames, with different bluff body …