New formula provides key to predicting microbial growth
Just like cars need fuel to run, microorganisms need energy to live.
Ecology
Nov 22, 2021
0
94
News tagged with combustion engine
Finding the cause of a fatal problem in rocket engine combustors
Rocket engines contain confined combustion systems, which are essentially combustion chambers. In these chambers, nonlinear interactions among turbulent fuel and oxidizer flows, sound waves, and heat produced from chemical ...
General Physics
Aug 2, 2021
1
2276
Fuel flow, heat fluctuations drive dangerous oscillations in rocket engines
Combustion engines can develop high frequency oscillations, leading to structural damage to the engines and unsafe operating conditions. A detailed understanding of the physical mechanism that causes these oscillations is ...
Condensed Matter
Jun 15, 2021
1
14
Electric vehicle adoption improves air quality and climate outlook
If you have ever wondered how much electric vehicle (EV) adoption actually matters for the environment, a new study provides evidence that making this switch would improve overall air quality and lower carbon emissions.
Environment
Apr 12, 2019
28
1734
New analysis tool could bolster development of efficient engines and fuel
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
A new way to measure energy in microscopic machines
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
Painting a clear picture of how nitrogen oxides are formed
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
New chemical mechanisms identified on road to cleaner, more efficient combustion
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
Evaporation dynamics at the nano- and micro-scale
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
Creating longer-lasting fuel cells
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
