Search Results - "Chatakonda, Obulesu"
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TG-DSC and TG-FTIR analysis of heavy fuel oil and vacuum residual oil pyrolysis and combustion: characterization, kinetics, and evolved gas analysis
Published in Journal of thermal analysis and calorimetry (01-03-2023)“…Residual oils, high viscosity and large sulfur content petroleum products from the refining process of crude oil, are receiving increasing interest in…”
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On the fractal characteristics of low Damköhler number flames
Published in Combustion and flame (01-11-2013)“…Knowledge of the fractal properties of premixed flame surfaces can potentially be used to help develop turbulent combustion models. Here, direct numerical…”
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3
Effect of oxygen enrichment on methane ignition
Published in Combustion and flame (01-12-2023)“…Oxygen-enriched combustion has attracted interest in the energy sector due to its increased thermal efficiency and low carbon capture cost compared to ‘air’…”
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Characterization and surrogate formulation of heavy fuel oil
Published in Fuel (Guildford) (15-03-2024)“…•A 6-component surrogate was formulated for a heavy fuel oil (HFO).•HFO was distilled into two fractions to overcome the limitation of FT-ICR MS.•This study…”
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Effect of pressure and CO2 dilution on soot formation in laminar inverse coflow flame at conditions close to autothermal reforming
Published in Combustion and flame (01-08-2023)“…Autothermal reforming (ATR) is an important technology for hydrogen production from natural gas, where soot formation deserves particular attention as it may…”
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Soot production in high pressure inverse diffusion flames with enriched oxygen in the oxidizer stream
Published in Combustion and flame (01-11-2022)“…Catalyst degradation due to soot formation is one of the main issues in the autothermal reforming (ATR) process, which is widely regarded as the future…”
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An updated functional-group-based approach to modeling the vacuum residue oil gasification kinetics
Published in Fuel (Guildford) (01-02-2024)“…•An updated FGMech approach to modeling VRO gasification is proposed.•The present model was tested against the Orimulsion experimental data and presents better…”
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A petascale direct numerical simulation study of the modelling of flame wrinkling for large-eddy simulations in intense turbulence
Published in Combustion and flame (01-08-2012)“…A new set of petascale direct numerical simulations (DNS) modelling lean hydrogen combustion with detailed chemistry in a temporally evolving slot-jet…”
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Heavy-Oil Surrogate Formulation Based on FT-ICR MS Analysis
Published in Energy & fuels (02-11-2023)“…Surrogate molecules are commonly employed to represent complex mixtures to predict properties and develop chemical kinetic models. The objective of a surrogate…”
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The effect of preheating temperature on PAH/soot formation in methane/air co-flow flames at elevated pressure
Published in Fuel (Guildford) (01-04-2022)“…•The soot, PAH, and OH* concentrations were measured.•Soot formation is promoted with higher pressure and preheating.•Soot enhancement by preheating is limited…”
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Effect of water vapor on the oxidation of heavy fuel and vacuum residue oil in a TGA
Published in Thermal science and engineering progress (01-02-2024)“…•Oxidation of heavy fuel and vacuum residue oil in presence of water vapor is studied.•Different reaction schemes are identified during the oxidation of the…”
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On the fractal characteristics of low DamkAPGhler number flames
Published in Combustion and flame (01-11-2013)“…Knowledge of the fractal properties of premixed flame surfaces can potentially be used to help develop turbulent combustion models. Here, direct numerical…”
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