A popular fl ow-measurement device in agriculture is the Parshall fl ume [33], Fig
Chapter 10, Problem p10.117(choose chapter or problem)
A popular fl ow-measurement device in agriculture is the Parshall fl ume [33], Fig. P10.117, named after its inventor, Ralph L. Parshall, who developed it in 1922 for the U.S. Bureau of Reclamation. The subcritical approach fl ow is driven, by a steep constriction, to go critical (y 5 yc) and then supercritical. It gives a constant reading H for a wide range of tailwaters. Derive a formula for estimating Q from measurement of H and knowledge of constriction width b. Neglect the entrance velocity head. Q b H Plan view Elevation view yc
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer