Researchers from MIPT and the Weizmann Institute of Science (Israel) have predicted the possibility of negative turbophoresis, a phenomenon where impurity particles inside a turbulent flow move in an "impossible" direction. ...
General Physics
Nov 5, 2014
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The small kerosene lamps that light millions of homes in developing countries have a dark side: black carbon – fine particles of soot released into the atmosphere.
Environment
Dec 10, 2012
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A new study led by Empa scientists finds that some direct-injection gasoline engines emit just as many soot particles as unfiltered diesel cars did in the past. Particle filters can remedy this.
Energy & Green Tech
May 24, 2017
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Chemical engineers testing methods to improve efficiency of diesel engines while maintaining performance are getting help from a summer staple: Tiki torches.
Materials Science
Jul 26, 2018
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The soot particle filters found on diesel vehicles are designed to ensure that no harmful particles make their way through the exhaust pipe. Often, though, the exhaust from newer-model engines is not hot enough to free the ...
Engineering
Oct 5, 2011
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The first real-world, head-to-head comparison of "improved cookstoves" (ICs) and traditional mud stoves has found that some ICs may at times emit more of the worrisome "black carbon," or soot, particles that are linked to ...
Environment
Apr 4, 2012
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(AP) -- Sixty percent of Americans live in areas with unhealthy air pollution levels, despite a growing green movement and more stringent laws aimed at improving air quality, the American Lung Association said in a report ...
Environment
Apr 29, 2009
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Sharply reducing emissions of soot and smog could play a critical role in preventing Earth from overheating, according to a UN report released on Tuesday.
Environment
Jun 14, 2011
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The area of forest burnt by wildfires in the United States is set to increase by over 50% by 2050, according to research by climate scientists.
Earth Sciences
Jul 28, 2009
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(Phys.org) —Reductions in emissions of black carbon since the late 1980s, mostly from diesel engines as a result of air quality programs, have resulted in a measurable reduction of concentrations of global warming pollutants ...
Environment
Jun 14, 2013
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