Results 91 to 100 of about 145,716 (357)

Evaluation of the PAH Content in Soot from Solid Fuels Combustion in Low Power Boilers

open access: yesEnergies, 2019
The emission of carbon compounds (in the form of soot) to the atmosphere has a significant impact on the environment and human health. Air pollution with combustion products, having a unique combination of physical and chemical properties, is an ...
Ewa Szatyłowicz, Iwona Skoczko
doaj   +1 more source

Combustion and Emission Characteristics of a Biodiesel-Hydrogen Dual-Fuel Engine

open access: yesApplied Sciences, 2020
The paper presents the results of co-combustion of biodiesel with hydrogen in a compression-ignition internal combustion engine. The tests were carried out on a stationary engine with constant settings. The paper presents the results of the assessment of
Wojciech Tutak   +2 more
doaj   +1 more source

Detection of Aliphatically Bridged Multi-Core Polycyclic Aromatic Hydrocarbons in Sooting Flames with Atmospheric-Sampling High-Resolution Tandem Mass Spectrometry. [PDF]

open access: yes, 2018
This paper provides experimental evidence for the chemical structures of aliphatically substituted and bridged polycyclic aromatic hydrocarbon (PAH) species in gas-physe combustion environments.
Adamson, BD   +3 more
core   +2 more sources

Computational Analysis of Spray Angle Effects on Combustion and Emissions in Methane‐Diesel Dual‐Fuel Engine

open access: yesEnergy Science &Engineering, EarlyView.
This study concluded that wider spray angles produce wall impingement and greater unburned hydrocarbons in methane‐diesel dual‐fuel engines, whereas 110° balances efficiency and emissions. ABSTRACT A diesel methane dual fuel engine appears as a potential means for lowering emissions while retaining useful thermal efficiency.
Abdullah Al Rifat   +4 more
wiley   +1 more source

Albedo and flux extinction coefficient of impure snow for diffuse shortwave radiation [PDF]

open access: yes
Impurities enter a snowpack as a result of fallout of scavenging by falling snow crystals. Albedo and flux extinction coefficient of soot contaminated snowcovers were studied using a two stream approximation of the radiative transfer equation. The effect
Chang, A. T. C.   +3 more
core   +1 more source

Ion sputter textured graphite [PDF]

open access: yes, 1982
A specially textured surface of pyrolytic graphite exhibits extremely low yields of secondary electrons and reduced numbers of reflected primary electrons after impingement of high energy primary electrons. An ion flux having an energy between 500 eV and
Curren, A. N.   +3 more
core   +1 more source

Forced Draught Impact on Externally Venting Flames: An Experimental and Numerical Investigation

open access: yesFire and Materials, EarlyView.
ABSTRACT Wind can significantly influence fire development and spread in urban and forest environments causing fatal consequences for the public, the first responders, and the environment. Wind‐driven fires can have a significant impact on structural fires as wind can increase the fire's intensity, development, and flame spread.
Anoop Subramania Warrier   +5 more
wiley   +1 more source

Influence of Lowering Soot‐Water Contact Angle on Ice Nucleation of Ozone‐Aged Soot

open access: yesGeophysical Research Letters
Organic‐lean and organic‐rich size‐selected soot particles were exposed to a varying O3 concentration, progressively decreasing the soot‐water contact angle (θ) to study its impact on ice nucleation (IN).
Kunfeng Gao, Zamin A. Kanji
doaj   +1 more source

Fuel rich catalytic comustion: The first stage of a two-stage combustor [PDF]

open access: yes
An experimental program demonstrated that fuel-rich catalytic combustion can be accomplished soot free as long as the combustion temperature is less than the temperature at the rich limit of combustion.
Brabbs, T. A., Olson, S. L.
core   +1 more source

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