At some distance downstream ofa sluice gate, irrigation water is flowing in a near-level 1.8 m-wideconcrete sluiceway at 1.39 m/s and a depth of 0.92 m.(a) Compute the Froude numberatthis flow location. What is the flow condition and is this consistentwith expectations?(b) Assuming the presenceof a hydraulic jump upstream ofthis flow location and downstream of thesluice gate, compute the estimated flow depth and associated Froude numberupstream of thehydraulic jump.(c) Compute the expected energy loss across the hydraulic jump.(d) Whatis the approximate length of the jump if not contained by a stilling basin?(e) Compute the specific energy of the flow immediately downstream of the sluice gate.(f) Assuming negligible losses across the sluice gate, what is the upstream flow depthif the flowvelocity approaching the sluice gate is 1.09 m/s?(g) Whatis the typical expected hydraulic condition associated with a sluice gate?
At some distance downstream ofa sluice gate, irrigation water is flowing in a near-level 1.8 m-wide
concrete sluiceway at 1.39 m/s and a depth of 0.92 m.
(a) Compute the Froude numberatthis flow location. What is the flow condition and is this consistent
with expectations?
(b) Assuming the presenceof a hydraulic jump upstream ofthis flow location and downstream of the
sluice gate, compute the estimated flow depth and associated Froude numberupstream of the
hydraulic jump.
(c) Compute the expected energy loss across the hydraulic jump.
(d) Whatis the approximate length of the jump if not contained by a stilling basin?
(e) Compute the specific energy of the flow immediately downstream of the sluice gate.
(f) Assuming negligible losses across the sluice gate, what is the upstream flow depthif the flow
velocity approaching the sluice gate is 1.09 m/s?
(g) Whatis the typical expected hydraulic condition associated with a sluice gate?
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