1. A channel of width 5m has a sluice gate as shown below, which forces the upstream flow to a deep state and the downstream flow to a shallow state. If the flow Q = 10m/s and the water depth at section B yB = 0.5m, estimate the %3D water depth, velocity and velocity head at section A. Assume that there is no variation in velocity over the cross-section and neglect energy losses.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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1. A channel of width 5m has a sluice gate as shown below, which forces the
upstream flow to a deep state and the downstream flow to a shallow state. If
the flow Q = 10m/s and the water depth at section B yB = 0.5m, estimate the
water depth, velocity and velocity head at section A. Assume that there is no
variation in velocity over the cross-section and neglect energy losses.
2g
YA
2g
H
energy
datum
Ув — 0.5m
level
section A
section B
Transcribed Image Text:1. A channel of width 5m has a sluice gate as shown below, which forces the upstream flow to a deep state and the downstream flow to a shallow state. If the flow Q = 10m/s and the water depth at section B yB = 0.5m, estimate the water depth, velocity and velocity head at section A. Assume that there is no variation in velocity over the cross-section and neglect energy losses. 2g YA 2g H energy datum Ув — 0.5m level section A section B
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