Francis formula

Francis formula

[′fran·səs ‚fȯr·myə·lə]
(fluid mechanics)
An equation for the calculation of water flow rate over a rectangular weir in terms of length and head.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
As best as I could I described the Francis formula and its variations in my book.
Needless to say, the author has the Francis formula down pat, with descriptions of the horse-racing industry real and exciting, and character analysis deep and penetrating.
Around 75 million of his thrillers have been sold in more than 35 languages, testament to his winning plots, and although others have tried to copy the Francis formula with varying degrees of success, they have lacked whatever the catalyst is that Francis's adoring public craves.
This new work conforms to the long-established Francis formula and will win few converts, but it is gripping enough to satisfy his existing fans.