News tagged with gas flow

Magnetic fields in massive star formation cores

Studies of molecular clouds have revealed that star formation usually occurs in a two-step process. First, supersonic flows compress the clouds into dense filaments light-years long, after which gravity collapses the densest ...

dateAug 07, 2017 in Astronomy
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Team finds reason behind defects in 3-D printing

High-speed images of a common laser-based metal 3-D printing process, coupled with newly updated computer models, have revealed the mechanisms behind material redistribution, a phenomenon that leads to defects in printed ...

dateAug 02, 2017 in Engineering
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Mars may act as a giant planetary pump

(Phys.org) —The surface of Mars is full of activity, with dust storms, dust devils, and drifting dunes in constant motion. Scientists suspect that similarly rich activity may exist underneath the surface, even though it ...

dateDec 23, 2013 in General Physics feature
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How new substances form

Gas bubbles rise in a liquid. What looks like a bottle of sparkling mineral water actually is a type of reactor frequently used in industry – a bubble column. These reactors are found in laboratories and large technology ...

dateSep 19, 2013 in Materials Science
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Bubble mattress reduces drag in fluidic chip

Researchers at the University of Twente's MESA+ research institute have given the first demonstration of how the drag exerted on liquids flowing through tiny "fluidic chips" is affected by the introduction of diminutive gas ...

dateMay 14, 2013 in Soft Matter
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Key find for treating wastewater on World Water Day

A newly developed membrane used to separate waste from water could become key in the treatment of pollutants ranging from acid mine drainage to oil-containing wastewater, as well as in processes ranging from desalination ...

dateMar 26, 2013 in Other
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