: The width of a horizontal, rectangular channel is reduced from 3.5 to 2.5 m and the floor is raised by 0.25m in elevation at a given section. At the upper stream section the depth of flow is Im and the KE correction factor is 1.15. If the drop in water level at the contraction is 0.20m. Calculate loss is i) Discharge if energy • zero. ") Discharge if energy loss is 10th of the upper stream velocity head. KE correction factor for contracted section is unity. 2m y₁ 0.2m y: 2 0.25 m. 3.5 2.5m

the flow rate is 1.2 m3/s per meter of channel width. (a) Compute the velocity and water depth at the top of the budge (hmax= 0.1 m). Characterize the flow there. (b) Rework the problem for a flow rate three times as large.

The base of the artificial channel has a bottom width of 3m and sides with a slope of 1 vertical to 2 horizontal. The depth of water being predicted/estimated is 1.2m when the discharge is 3.51m3/s. Using Manning's equation with n = 0.022 a. Calculate the slope of the channel bed.b. Calculate the discharge in m3/s when the depth of flow is 1.3m.

Solve 6.3 only

2- A 6-m wide concrete-lined trapezoidal channel (n = 0.013) has a sidewall slope of 1V:1.5H, a longitudinal slope of 0.0005, and carries a discharge of 20 m³/s. Calculate: a) normal depth, Yni b) critical depth, yo c) determine the flow regime based on comparison of yn and yc

Water discharges in too wide rectangular channel slope =0.01 Just apstream the weir where the water depth is 2.5m the flow rate is 5m ^ 3/s  As per meter width as shown below Assume n = 0.015 and neglected losses. 1. Find the normal depth, the critical depth and the critical slope? 2. Use the specific energy equation to find the weir height such that the flow over the wer is critical? 3. What water surface profile exists upstream the weir and locate the distance upstream the weit where the water depth equals the normal depth  ?

A rectangular concrete channel (n = 0.014) has a bottom width of 5.05 m and a longitudinal slope of 0.002. Compute the discharge rate and velocity for a water depth of 2.34 m. Compute normal depth, critical depth, and critical slope for a discharge of 6.67 m³/s.

Q7: The channel shown in the figure and has a surface of flout finalized concrete 0.1m per 100m of length calculate the discharge (Q) and Froude number (Fr) for a depth of 1.5m, assume n-0.0015 determine Fr is critical, subcritical or supercritical? y=D=1.5m h -3.0m 3 2

Ans. 1.941m/s I need solution #hydraulics

Water is discharged under a sluice gate at a rate of 75 m3 /s into a frictionless, horizontal, rectangular channel, 6 m wide. The depth just downstream of the gate is 1.25 m. Determine the depth just upstream of the gate opening The Froude number upstream and downstream of the sluice gate