shear rate

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shear rate

[′shir ‚rāt]
(fluid mechanics)
The relative velocities in laminar flow of parallel adjacent layers of a fluid body under shear force.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Inkject printers, for example, subject ink to shear rates in the range of 100,000 to 1,000,000 reciprocal seconds (l/s).
The shear rate is the relative velocity of the bottom and top cared (cm/sec.) divided by the thickness of the deck (cm), to yield units of reciprocal seconds ([s.sup.-1]).
"In recent work we used sliding speeds on the order of microns/sec, though with a separation of only five angstroms, it turns out you get a rate on the order of [10.sup.5] reciprocal seconds. Eventually we want to get to rates 1,000 times faster."

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