| 释义 |
Froude number 2 Froude number 2[¦früd ‚nəm·bər ′tü] (fluid mechanics) A dimensionless number, equal to the ratio of the speed of flow of a fluid in an open channel to the speed of very small gravity waves, the latter being equal to the square root of the product of the acceleration of gravity and a characteristic length. Symbolized NFr2. |