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Darcy number 1

Darcy number 1

[′där·sē ‚nəm·bər ′wən]
(fluid mechanics)
A dimensionless group, equal to four times the Fanning friction factor. Symbolized Da1. Also known as Darcy-Weisbach coefficient; resistance coefficient 2.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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