The total acceleration due to gravity g, and a flow depth h, the pressure exerted on the bed is simply the weight of an element of fluid, \ rho g, times the depth of the flow, h.
2.
Consider an element of fluid in the flow field subjected to translational and rotational motion : because stagnation pressure loss and entropy generation can be viewed as essentially the same thing, there are three popular forms for writing Crocco's theorem:
3.
With a horizontal movement or two, we can find a way to the surface, so we might as well integrate over z after all . ( The container is not symmetrical, but all that fluid mechanics requires is local symmetry : each infinitesimal element of fluid is symmetrical .)
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