Effect of devolatilization model on flame structure of pulverized coal combustion in a jet-burner system
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-019-0347-5
Abstract: A numerical simulation was performed with the two competing model in the devolatilization process for a pulverized coal combustion jet flame by means of LES. The target was a simple jet burner flame in CRIEPI.… read more here.
Keywords: coal combustion; model; reaction; flame ... See more keywords
Experimental investigation of the carbon dioxide effect on the devolatilization and combustion of a coal and sugarcane bagasse
Sign Up to like & getrecommendations! Published in 2020 at "Energy"
DOI: 10.1016/j.energy.2020.117824
Abstract: This study investigates the CO2 influence on thermal decomposition of sugarcane bagasse and a low-rank coal. Experiments at low and high heating rates were performed under different ratios of CO2/O2/N2 atmospheres to evaluate devolatilization, char… read more here.
Keywords: sugarcane bagasse; bagasse; co2; devolatilization ... See more keywords
Experimental investigation of biomass devolatilization in steam gasification in a dual fluidised bed gasifier
Sign Up to like & getrecommendations! Published in 2017 at "Fuel"
DOI: 10.1016/j.fuel.2016.10.074
Abstract: Abstract In this study, biomass devolatilization, which is the initial stage of steam gasification, was experimentally investigated in a 100 kW dual fluidised bed gasifier. In the experiments, pellets of radiata pine sawdust were used as… read more here.
Keywords: biomass devolatilization; steam gasification; gasification; devolatilization ... See more keywords
Experimental and modelling study on the influence of wood type, density, water content, and temperature on wood devolatilization
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2019.116410
Abstract: Abstract Wood devolatilization experiments in a single particle combustor and comparison with a 1D devolatilization model were carried out to investigate the effects of wood particle properties and operating conditions on wood particle devolatilization time.… read more here.
Keywords: devolatilization time; density; devolatilization; particle ... See more keywords
Morphology and volume fraction of biomass particles in a jet flow during devolatilization
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2020.118241
Abstract: Abstract Particle size, aspect ratio (AR, defined here as major over minor dimension), orientation and volume fraction have been measured for a stream of pulverized biomass particles undergoing devolatilization. Milling of raw biomass for thermochemical… read more here.
Keywords: biomass; biomass particles; volume fraction; devolatilization ... See more keywords
Effects of devolatilization temperature on chemical structure and oxidation reactivity of soot sampled from a coflow diffusion ethylene flame
Sign Up to like & getrecommendations! Published in 2021 at "Fuel"
DOI: 10.1016/j.fuel.2021.120424
Abstract: Abstract Devolatilization is a prerequisite for the analysis of chemical structure and oxidation reactivity of soot sampled from engine combustion or lab-scaled flames, while the effects of devolatilization temperature are not sufficiently understood. This work… read more here.
Keywords: oxidation reactivity; oxidation; temperature; soot ... See more keywords
The volatility trend of protosolar and terrestrial elemental abundances
Sign Up to like & getrecommendations! Published in 2019 at "Icarus"
DOI: 10.1016/j.icarus.2019.03.018
Abstract: Abstract We present new estimates of protosolar elemental abundances based on an improved combination of solar photospheric abundances and CI chondritic abundances. These new estimates indicate CI chondrites and solar abundances are consistent for 60… read more here.
Keywords: trend; elemental abundances; best fit; devolatilization ... See more keywords
Characterization and non-isothermal kinetics of Shenmu bituminous coal devolatilization by TG-MS
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Analytical and Applied Pyrolysis"
DOI: 10.1016/j.jaap.2017.07.020
Abstract: Abstract The devolatilization characteristics and non-isothermal kinetics of gaseous volatile evolution of bituminous coal were investigated through simultaneous thermogravimetry-mass spectrometry (TG-MS). The TG-MS results indicated that the three types of coals possess similar devolatilization characteristics… read more here.
Keywords: non isothermal; evolution; isothermal kinetics; bituminous coal ... See more keywords
Influence of lignocellulose thermal pretreatment on the composition of condensable products obtained from char devolatilization by means of thermogravimetric analysis–thermal desorption/gas chromatography–mass spectrometry
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Analytical and Applied Pyrolysis"
DOI: 10.1016/j.jaap.2017.08.018
Abstract: Abstract Four lignocellulosic biomass types, i.e. pine, bamboo, corn cob and corn stover were converted at varying temperatures (250–400 °C) and hold times (30 or 60 min). Chars produced were devolatilized in a thermogravimetric analyser (TGA) and… read more here.
Keywords: thermal desorption; gas chromatography; char devolatilization; desorption gas ... See more keywords
Novel Sensitivity Study for Biomass Directional Devolatilization by Random Forest Models
Sign Up to like & getrecommendations! Published in 2020 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.0c00822
Abstract: Devolatilization is always the primary process in biomass thermal conversion, and directional devolatilization has caught considerable attention in recent decades for producing certain fuels and raw chemical materials. In the present study, we report a… read more here.
Keywords: forest models; devolatilization; directional devolatilization; novel sensitivity ... See more keywords
Devolatilization and Combustion of Coarse-Sized Coal Particles in Oxy–Fuel Conditions: Experimental and Modeling Studies
Sign Up to like & getrecommendations! Published in 2018 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.7b02539
Abstract: A generalized unsteady-state kinetic model, coupled with all modes of heat transfer, was developed to describe the combined coal devolatilization and the subsequent combustion of the residual char under oxy–fuel condition in both O2–CO2 and… read more here.
Keywords: coal; devolatilization; devolatilization combustion; oxy fuel ... See more keywords