How is the viscosity of air affected by temperature?
I would have assumed it would have decreased as the particles become more energetic however, wikepedia and engineering toolbox say it gets more viscus, how can this be?
the viscosity of air increases as temp. drops because the atoms move more slowly, and more atoms can pack into any given space. blow up a balloon and put it in the refrigarator.
While liquids get runnier as they get hotter, gases get thicker. (If one can imagine a "thick" gas.) The viscosity of gases increases as temperature increases and is approximately proportional to the square root of temperature. This is due to the increase in the frequency of intermolecular collisions at higher temperatures. Since most of the time the molecules in a gas are flying freely through the void, anything that increases the number of times one molecule is in contact with another will decrease the ability of the molecules as a whole to engage in the coordinated movement. The more these molecules collide with one another, the more disorganized their motion becomes.
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In addition, valve drivers usually contain a temperature controller for a heater integrated into the valve, to keep the fluid at optimal jetting viscosity. Valve Controller. PICO valve controllers are used to set the fluid dispensing parameters for