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Formation of incipient soot particles from polycyclic aromatic hydrocarbons: A ReaxFF molecular dynamics study [PDF]

open access: yesCarbon, 2017
In this study, we present the results from a series of ReaxFF molecular dynamics (MD) simulations to uncover the underlying mechanisms behind the nucleation and growth of incipient soot particles from polycyclic aromatic hydrocarbons (PAHs). PAHs, namely,
Luo, KH, Mao, Q, van Duin, ACT
core   +4 more sources

Tracing the evolution of morphology and mixing state of soot particles along with the movement of an Asian dust storm [PDF]

open access: yesAtmospheric Chemistry and Physics, 2020
Tracing the aging progress of soot particles during transport is highly challenging. An Asian dust event could provide an ideal opportunity to trace the continuous aging progress of long-range-transported soot particles.
L. Xu   +11 more
doaj   +2 more sources

Sources of the Deposition of Submicron Soot Particles on Plant Leaves [PDF]

open access: yesBiology
Submicron soot particles (with an aerodynamic diameter of less than 1.0 μm) are found to be one of the major factors resulting in global warming and health burdens.
Qingyang Liu
doaj   +2 more sources

Microphysical properties of atmospheric soot and organic particles: measurements, modeling, and impacts

open access: yesnpj Climate and Atmospheric Science
Atmospheric soot and organic particles from fossil fuel combustion and biomass burning modify Earth’s climate through their interactions with solar radiation and through modifications of cloud properties by acting as cloud condensation nuclei and ice ...
Weijun Li   +8 more
doaj   +2 more sources

Ice nucleation abilities of soot particles determined with the Horizontal Ice Nucleation Chamber [PDF]

open access: yesAtmospheric Chemistry and Physics, 2018
Ice nucleation by different types of soot particles is systematically investigated over the temperature range from 218 to 253 K relevant for both mixed-phase (MPCs) and cirrus clouds.
F. Mahrt   +7 more
doaj   +2 more sources

Nanostructure and Oxidation Reactivity of Nascent Soot Particles in Ethylene/Pentanol Flames

open access: yesEnergies, 2017
As byproducts of the combustion process of hydrocarbon fuels, soot particles are difficult to remove, and they can greatly harm human health and pollute the environment.
Yaoyao Ying   +5 more
doaj   +2 more sources

A shape model of internally mixed soot particles derived from artificial surface tension [PDF]

open access: yesAtmospheric Measurement Techniques, 2019
To retrieve the physical properties of aerosols from multi-channel ground-based and satellite measurements, we developed a shape model of coated soot particles and created a dataset of their optical properties. Bare soot particles were assumed to have an
H. Ishimoto, R. Kudo, K. Adachi
doaj   +2 more sources

Technical Note: The single particle soot photometer fails to reliably detect PALAS soot nanoparticles [PDF]

open access: yesAtmospheric Measurement Techniques, 2012
The single particle soot photometer (SP2) uses laser-induced incandescence (LII) for the measurement of atmospheric black carbon (BC) particles. The BC mass concentration is obtained by combining quantitative detection of BC mass in single particles with
M. Gysel   +7 more
doaj   +7 more sources

Processing of soot in an urban environment: case study from the Mexico City Metropolitan Area [PDF]

open access: yesAtmospheric Chemistry and Physics, 2005
Chemical composition, size, and mixing state of atmospheric particles are critical in determining their effects on the environment. There is growing evidence that soot aerosols play a particularly important role in both climate and human health, but ...
K. S. Johnson   +9 more
doaj   +4 more sources

Enhanced soot particle ice nucleation ability induced by aggregate compaction and densification [PDF]

open access: yesAtmospheric Chemistry and Physics, 2022
Soot particles, acting as ice nucleating particles (INPs), can contribute to cirrus cloud formation, which has an important influence on climate. Aviation activities emitting soot particles into the upper troposphere can potentially impact ice nucleation
K. Gao   +5 more
doaj   +1 more source

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