Effects of oxygenated biofuel additives on soot formation: A comprehensive review of laboratory-scale studies

L Xu, Y Wang, D Liu - Fuel, 2022 - Elsevier
Oxygenated fuels have been widely used in combustion engines to tailor fuel properties,
improve combustion performance and reduce harmful emissions such as soot particles …

The molecular composition of soot

RS Jacobson, AR Korte, A Vertes… - Angewandte …, 2020 - Wiley Online Library
Soot (sometimes referred to as black carbon) is produced when hydrocarbon fuels are
burned. Our hypothesis is that polynuclear aromatic hydrocarbon (PAH) molecules are the …

Elucidating the polycyclic aromatic hydrocarbons involved in soot inception

C Shao, Q Wang, W Zhang, A Bennett, Y Li… - Communications …, 2023 - nature.com
Polycyclic aromatic hydrocarbons are the main precursors to soot particles in combustion
systems. A lack of direct experimental evidence has led to controversial theoretical …

The Identity and Chemistry of C7H7 Radicals Observed during Soot Formation

JA Rundel, C Martí, J Zádor, PE Schrader… - The Journal of …, 2023 - ACS Publications
We used aerosol mass spectrometry coupled with tunable synchrotron photoionization to
measure radical and closed-shell species associated with particle formation in premixed …

HOMO–LUMO gaps and molecular structures of polycyclic aromatic hydrocarbons in soot formation

Y Xu, Q Chu, D Chen, A Fuentes - Frontiers in Mechanical …, 2021 - frontiersin.org
A large number of PAH molecules is collected from recent literature. The HOMO-LUMO gap
value of PAHs was computed at the level of B3LYP/6-311+ G (d, p). The gap values lie in the …

Evolution of oxygenated polycyclic aromatic hydrocarbon chemistry at flame temperatures

P Liu, B Chen, Z Li, A Bennett, S Sioud, SM Sarathy… - Combustion and …, 2019 - Elsevier
Oxygenated polycyclic aromatic hydrocarbons (OPAH) have received increasing attention
due to their toxic effect on human health. This study comprehensively investigates the …

Soot formation from n-heptane counterflow diffusion flames: Two-dimensional and oxygen effects

D Zheng, A Nobili, A Cuoci, M Pelucchi, X Hui… - Combustion and …, 2023 - Elsevier
Soot formation of n-heptane is experimentally and numerically studied in low-strain rate (K=
50 s− 1) counterflow soot formation (SF) flames. Flame temperatures and soot volume …

Fuel aromaticity promotes low-temperature nucleation processes of elemental carbon from biomass and coal combustion

Y Han, Y Chen, Y Feng, Y Shang, J Li… - … Science & Technology, 2021 - ACS Publications
Significant elemental carbon (EC) emissions from low-temperature solid fuel combustion
cannot be explained by classical mechanisms ascribing EC to higher-temperature …

The role of oxygenated species in the growth of graphene, fullerenes and carbonaceous particles

G Leon, JW Martin, EJ Bringley, J Akroyd, M Kraft - Carbon, 2021 - Elsevier
The growth of carbonaceous materials was studied using a Kinetic Monte Carlo model that
captures the growth and oxidation of six-member and partially-embedded five-member …

Study on fluorescence spectroscopy of PAHs with different molecular structures using laser-induced fluorescence (LIF) measurement and TD-DFT calculation

Y Zhang, P Liu, Y Li, R Zhan, Z Huang, H Lin - Spectrochimica Acta Part A …, 2020 - Elsevier
Laser-induced fluorescence (LIF) is an effective technique for non-intrusive and on-line
measurement of PAHs in sooting flames but it is still need further investigation due to the …