Damköhler number I
Damköhler number I[′däm‚kər·lər ¦nəm·bər ¦wən]
A dimensionless number, equal to the ratio of the time it takes a fluid to flow some characteristic distance, to the time it takes some chemical reaction or other physical process to be completed. Symbolized Da I. Also known as Damköhler's ratio.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.