A rectangular channel with a width of 6.0 ft. conveys a discharge of 115 ccs. If...
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rectangular channel with a width of 6.0 ft. conveys a discharge of
115 ccs. If...
A 12-ft-wide rectangular channel conveys 3,030 cfs. Determine the normal and critical depths for the concrete...
A 12-ft-wide rectangular channel conveys 3,030 cfs. Determine the normal and critical depths for the concrete channel (1% slope). Also determine the flow classification (critical, supercritical, or subcritical) when the channel flows at normal depth.
Subcritical, uniform flow of water occurs in a rectangular, horizontal channel with a width of 5.0...
Subcritical, uniform flow of water occurs in a rectangular, horizontal channel with a width of 5.0 m. The flow has a depth of 2.0 m and a flow rate of 5.0 cu.m/s. The flow encounters a 0.25 m rise in the channel bottom. What is the new normal depth? Is the flow above the rise subcritical, critical or supercritical? Assume frictionless flow
An 8 ft. wide and 1000 ft. long prismatic rectangular channel is carrying a flow of 13 cfs
An 8 ft. wide and 1000 ft. long prismatic rectangular channel is carrying a flow of 13 cfs. The channel has a slope of 0.001 ft/ft and Manning's n is 0.035. The depth of water in the channel is 1.25 ft. a. Another engineer computed the normal depth in the channel to be 1.25 ft, which is the existing depth of flow. Check that computation to see if it correct (show all work) b. Compute the critical depth of flow in the...
solve all 4 parts please Water discharging into a 12-m-wide rectangular horizontal channel from a sluice...
solve all 4 parts please
Water discharging into a 12-m-wide rectangular horizontal channel from a sluice gate is observed to have undergone a hydraulic jump. The flow depth and velocity before the jump are 0.9 m and 9 m/s, respectively. Determine (i) Froude number before the hydraulic jump. Is it subcritical, critical, or supercritical flow? (4 points) (ii) the flow depth and the Froude number after the jump. Is it subcritical, critical, or supercritical flow? (9 points) (iii) the head...
Q1) Consider a rectangular channel with a constant width b, a) Obtain the equation of water...
Q1) Consider a rectangular channel with a constant width b, a) Obtain the equation of water surface profile (dy/dx) as function of Froude number and channel bottom slope in a channel transition assuming that over a short distance Ax, the energy losses can be neglected. b) Using the equation you have obtained, draw the water surface profile if flow is supercritical and if there is a downward step at the channel bed and show your results on the graph of...
The discharge Q in a rectangular channel is 6m3 /s. The channel width is 3m and...
The discharge Q in a rectangular channel is 6m3 /s. The channel width is 3m and flow depth is 2m. (i) The channel width is reduced (no change to bed elevation) to 1.5m at a downstream location. What is the flow depth at the constriction? Determine if choking conditions are present. Explain your answer using of a q-y curve. (ii) The channel width is reduced (no change to bed elevation) to 1.0m at a downstream location. Calculate the upstream water...
4. Given: Discharge = 125 cfs; upstream bottom width = 8 ft; upstream flow depth =...
4. Given: Discharge = 125 cfs; upstream bottom width = 8 ft; upstream flow depth = 0.5 ft; downstream bottom width = 12 ft; downstream flow depth = 4 ft; length of transition = 50 ft. Design a supercritical channel transition without hydraulic jump.
2. A 2.5 m wide rectangular channel conveys m wide rectangular channel conveys water at a...
2. A 2.5 m wide rectangular channel conveys m wide rectangular channel conveys water at a normal depth of 2 m. In a part of the channel, the channel width is expanded to 5 m. The local energy loss due to this expansion is about 10% of the upstream velocity head. If the channel slope is 0.03% and the Manning roughness coefficient is about 0.012, calculate the water depth over this transition and show the situation with a simple sketch.
Water flows down a rectangular channel that has a width of 2.2 m, a Manning's n...
Water flows down a rectangular channel that has a width of 2.2 m, a Manning's n of 0.019 and a slope of 1 in 200. Calculate the discharge in the channel when the depth of flow is 0.5 m, 1.0 m, 2.0 m, and 4.0 m. Plot a graph of depth against discharge and comment on its shape, [10 marks] A wide channel has a Manning's number = 0.021, a longitudinal bed slope of 1:250 and conveys 0.XX m3/s/m of...
Supercritical, uniform flow of water occurs in a 5.0 m wide, rectangular, horizontal channel. The depth...
Supercritical, uniform flow of water occurs in a 5.0 m wide, rectangular, horizontal channel. The depth of flow is 1.5 m and the flowrate is 45 cu.m/s. The flow encounters a 0.25 m rise in the channel bottom. What is the new normal depth? Is the flow after the rise subcritical, critical or supercritical? Assume frictionless flow
Subcritical, uniform flow of water occurs in a rectangular, horizontal channel with a width of 5.0 m. The flow has a depth of 2.0 m and a flow rate of 5.0 cu.m/s. The flow encounters a 0.25 m rise in the channel bottom. What is the new normal depth? Is the flow above the rise subcritical, critical or supercritical? Assume frictionless flow
solve all 4 parts please
Water discharging into a 12-m-wide rectangular horizontal channel from a sluice gate is observed to have undergone a hydraulic jump. The flow depth and velocity before the jump are 0.9 m and 9 m/s, respectively. Determine (i) Froude number before the hydraulic jump. Is it subcritical, critical, or supercritical flow? (4 points) (ii) the flow depth and the Froude number after the jump. Is it subcritical, critical, or supercritical flow? (9 points) (iii) the head...
Q1) Consider a rectangular channel with a constant width b, a) Obtain the equation of water surface profile (dy/dx) as function of Froude number and channel bottom slope in a channel transition assuming that over a short distance Ax, the energy losses can be neglected. b) Using the equation you have obtained, draw the water surface profile if flow is supercritical and if there is a downward step at the channel bed and show your results on the graph of...
4. Given: Discharge = 125 cfs; upstream bottom width = 8 ft; upstream flow depth = 0.5 ft; downstream bottom width = 12 ft; downstream flow depth = 4 ft; length of transition = 50 ft. Design a supercritical channel transition without hydraulic jump.
2. A 2.5 m wide rectangular channel conveys m wide rectangular channel conveys water at a normal depth of 2 m. In a part of the channel, the channel width is expanded to 5 m. The local energy loss due to this expansion is about 10% of the upstream velocity head. If the channel slope is 0.03% and the Manning roughness coefficient is about 0.012, calculate the water depth over this transition and show the situation with a simple sketch.
Water flows down a rectangular channel that has a width of 2.2 m, a Manning's n of 0.019 and a slope of 1 in 200. Calculate the discharge in the channel when the depth of flow is 0.5 m, 1.0 m, 2.0 m, and 4.0 m. Plot a graph of depth against discharge and comment on its shape, [10 marks] A wide channel has a Manning's number = 0.021, a longitudinal bed slope of 1:250 and conveys 0.XX m3/s/m of...
Supercritical, uniform flow of water occurs in a 5.0 m wide, rectangular, horizontal channel. The depth of flow is 1.5 m and the flowrate is 45 cu.m/s. The flow encounters a 0.25 m rise in the channel bottom. What is the new normal depth? Is the flow after the rise subcritical, critical or supercritical? Assume frictionless flow
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