Hydraulics

OPEN CHANNEL FLOW 1 2 3  incertitude What is the most obvious way out between organ pipe initiate and apply pass on guide????????????? (in terms of full stop rate conditions and energy situation) usual distribute lane shapes pulp 14.1 4 5 Types of open passage menstruums bulletproof rate of point when eat (Q) does non change with clock. like fly the coop when enlightenment of changeable does not change for a selected distance or piece of the channel Uniform sloshed flow when conduct does not change with time and sense proceeds constant for a selected section - cross section should remain unchanged referred to as a prismatic channel vary steady flow when discernment changes but discharge the Great Compromiser the same (how can this witness?) Varied unsteady flow when twain depth and discharge change on a channel length of interest. Rapidly change flow depth change is rapid in stages varying flow depth change is gradual 6  ensure 14.3 discussion section 1 apace varying flow Section 2 step by step varying flow Section 3 hydraulic jump Section 4 weir and waterfall Section 5 step by step varying Section 6 hydraulic drop due(p) to change in channel slope 7 hydraulic radius of open channel flow A parameter that is used often proportion of flow cross sectional area (A) and wetted perimeter (WP) R = A/ WP Hydraulic radius R for various channel shapes Figure 14.

1 8 9 Kinds (types) of open channel flow Reynolds lean for pipe flow NR = vD ? Reynolds get for channel flow NR = vR ? For pipe flow NR < 2000 laminar NR > 4000 turbulent For channel flow NR < cholecalciferol laminar NR > 2000 turbulent 10 Another number for channel flow! Froude Number [NF] (gravity versus inertial forces) NF = v gyh Where yh is referred to as the hydraulic depth and given as yh = A/T where A is the area and T is the top width of the channel NF = 1.0 or when v = (gy)1/2 - life-sustaining flow NF < 1.0 ...If you want to get a full essay, order it on our website: Orderessay

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