thermal Rossby number

thermal Rossby number

[′thər·məl ′rȯs·bē ‚nəm·bər]
(fluid mechanics)
The nondimensional ratio of the inertial force due to the thermal wind and the Coriolis force in the flow of a fluid which is heated from below.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.