Critical particle size analysis of gas emission under high-temperature oxidation of weathered coal

J Song, J Deng, J Zhao, Y Zhang, C Wang, CM Shu - Energy, 2021 - Elsevier
To study the effects of particle size on gases emitted from weathered coal under high-
temperature oxygen deficiency, we investigated the macroscopic spontaneous combustion …

Investigating the effect of coal particle size on spontaneous combustion and oxidation characteristics of coal

X Jia, J Wu, C Lian, J Wang, J Rao, R Feng… - … Science and Pollution …, 2022 - Springer
As a key parameter, the particle size of residual coal contributes greatly to its oxidation
characteristics, so it is a significant and far-reaching topic to explore the role of different …

Numerical evaluation of pulverized coal swirling flames and NOx emissions in a coal-fired boiler: effects of co-and counter-swirling flames and coal injection modes

M Choi, Y Park, X Li, K Kim, Y Sung, T Hwang, G Choi - Energy, 2021 - Elsevier
A numerical evaluation was performed to investigate the effects of swirl arrangement (co-
swirling and counter-swirling flows) and coal injection mode (non-, fully-, and partially …

Effect of exhaust tube vortex on NOx reduction and combustion characteristics in a swirl-stabilized pulverized coal flame

K Kim, M Choi, X Li, K Deng, Y Park, Y Sung, G Choi - Fuel, 2020 - Elsevier
Experimental investigations were conducted on the effect of the exhaust tube vortex (ETV)
and the synergistic effect of the ETV and air staging on nitrogen oxide (NO) concentration …

Combined flow, temperature and soot investigation in oxy-fuel biomass combustion under varying oxygen concentrations using laser-optical diagnostics

H Schneider, M Bonarens, J Hebel, H Hamel, J Emmert… - Fuel, 2024 - Elsevier
In pulverized oxy-fuel biomass combustion, intricate interaction of complex fluid-mechanical,
particle-dynamical, and chemical processes manifests even at intermediate scales. This …

Influence of particle diameter on the scattering characteristics of pre-oxidized coal in THz band

H Zhu, Q Liao, B Qu, L Hu, H Wang, R Gao… - Colloids and Surfaces A …, 2022 - Elsevier
In this study, the effect of scattering caused by particle diameter on the quantitative analysis
of pre-oxidized coal applying terahertz (THz) was investigated by Synchronous Thermal …

Experimental investigation of 40 kWth methane-assisted and self-sustained pulverized biomass flames

B Özer, D Zabrodiec, R Kneer, A Maßmeyer - Proceedings of the …, 2023 - Elsevier
This paper presents an assessment of the effects of methane assistance on pulverized
biomass swirl flames specifically regarding flow fields and flame structure. Experiments are …

Strategic combustion technology with exhaust tube vortex flame: Combined effect of biomass co-firing and air-staged combustion on combustion characteristics and …

M Choi, K Kim, X Li, K Deng, Y Park, M Seo, Y Sung… - Energy, 2020 - Elsevier
A 16-kW th coal-fired furnace with a dual swirl burner was constructed to investigate the
combustion characteristics with/without an exhaust tube vortex (ETV) flame, the combined …

Study on flame structures and emission characteristics according to various swirl combinations and fuel compositions in a CH4/H2/CO syngas swirl-stabilized …

M Choi, Y Park, X Li, Y Sung, S Park, K Moon, G Choi - Fuel, 2019 - Elsevier
In an integrated gasification combined cycle (IGCC) power plant, the initial operating
procedure is driven by natural gas first, and then by H 2/CO syngas. This study attempted to …

Effects of coal particle size on the two-phase flow and slagging performance in a swirl burner

N Fang, P Zhang, W Wang, Q Wang, J Lyu, H Zhang… - Energy, 2022 - Elsevier
Swirl burner is widely used in coal-fired boilers. Coal particle size is an important factor
affecting the two-phase flow as well as the combustion performances of a swirl burner. A …