Volatile organic compounds can be found in the air—everywhere. A wide range of sources, including from plants, cooking fuels and household cleaners, emit these compounds directly. They also can be formed in the atmosphere ...
Materials Science
Feb 11, 2019
0
15
A newly developed analysis method can detect hydroxyl radicals (OH) with unprecedented sensitivity. Because OH is a critical component in the combustion processes that power most vehicles, the new approach could advance the ...
Optics & Photonics
Jul 19, 2018
0
60
What drives cells to live and engines to move? It all comes down to a quantity that scientists call "free energy," essentially the energy that can be extracted from any system to perform useful work. Without this available ...
General Physics
Jun 8, 2018
0
131
In a jet engine, the flow of air is slowed down to increase the temperature and pressure for combustion—burning fuel with the right ratio of fuel and air to conquer drag allows for acceleration.
Soft Matter
Mar 15, 2018
0
23
Nitrogen oxides (NOx) are some of the most significant pollutants in our atmosphere—they contribute to the formation of smog, acid rain and ground-level ozone. Because of this, combustion researchers and engine companies ...
Materials Science
Mar 12, 2018
0
103
Sandia National Laboratories researchers have identified key chemical mechanisms for the first time that add to the fundamental knowledge of combustion chemistry and might lead to cleaner combustion in engines.
Materials Science
Mar 8, 2018
0
26
Chemical reactions that produce pollutants in the atmosphere, and the chemistry of fuel combustion inside a vehicle engine, have some striking similarities. For each set of reactions, oxygen's role is key. Studying oxygen's ...
Materials Science
Jan 3, 2018
0
219
A new evaporation dynamics study finds that very small droplets evaporate more slowly than predicted by current models. Researchers from the Institute of Physical Chemistry of the Polish Academy of Sciences (IPC PAS) in Warsaw, ...
Condensed Matter
Oct 27, 2017
0
16
Fuel cells could someday generate electricity for nearly any device that's battery-powered, including automobiles, laptops and cellphones. Typically using hydrogen as fuel and air as an oxidant, fuel cells are cleaner than ...
Materials Science
Sep 27, 2017
1
193
Today's rechargeable lithium-ion batteries are good, but they could be much better in the future.
Energy & Green Tech
Sep 12, 2017
5
142
