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= 1. (20) A roadside channel (n 0.02) carries a uniform flow of 0.4 m3/sec with...
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
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
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A rectangular open channel 3 m wide carries a discharge of 15 m3 /sec. The channel slope is 0.004, and the Manning’s coefficient is 0.01. At a certain point in the channel, flow reaches normal depth. (a) What is the critical depth? (b) Determine the flow classification. Is it supercritical or subcritical? (c) If a hydraulic jump takes place at this depth, what is the sequent depth? (d) Estimate the energy head loss through the jump.
A rectangular channel having a width of 8m carries a discharge of 18 m3/s at the...
A rectangular channel having a width of 8m carries a discharge of 18 m3/s at the normal depth of 2.25m. (a) What should be the minimum width to which the channel can be contracted smoothly without causing any choking of flow assuming that the bed of the channel is level all through. (b) Compute the critical slope of this new section if n = 0.012. (c) How long should this channel be if there is a drop of 4m. at...
Uniform water flow in a wide brick channel of slope 0.02 degrees moves over a 10-cm bump. A slight depression in the water surface results. If the minimum water depth per meter of width Then, again a...
Uniform water flow in a wide brick channel of slope 0.02 degrees moves over a 10-cm bump. A slight depression in the water surface results. If the minimum water depth per meter of width Then, again assuming uniform subcritical approach flow (V., y find (c) the flow rate and (d) y2 for which the flow at the crest of the bump is exactly critical (Fr2-10)
Uniform water flow in a wide brick channel of slope 0.02 degrees moves over a...
4. (10 marks) Given a flow of 100 cfs in a rectangle channel with 6 ft....
4. (10 marks) Given a flow of 100 cfs in a rectangle channel with 6 ft. base, Manning roughness coefficient 0.01, and the slope is channel is 1.5%; what is the normal depth and velocity of flow and what is the critical depth and velocity of flow? Is the flow subcritical or supercritical and why (provide a graphical solution on an appropriate chart)?
Question 7 Consider flow in an open channel with slope 1:500 and a Manning's n of...
Question 7 Consider flow in an open channel with slope 1:500 and a Manning's n of 0.030. The channel has a rectangular cross-section with a width of 5 m (a) Uniform flow in this channel has a depth of 1.6 m. What is the flowrate in the channel? (4 marks) (b) Suppose that this uniform flow (at point 1 in the figure below) encounters an obstacle on the channel bed (at point 2). How big would the obstacle need to...
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...
2. Find the normal depth for the 100-year-flood in the Magpie Creek Diversion Channel, which is...
2. Find the normal depth for the 100-year-flood in the Magpie Creek Diversion Channel, which is shown below. The channel is trapezoidal with a base width of 15 ft, side slopes of 1H:1V (m=1), slope of 0.0028 and Manning's n of 0.015. The 100-year-flood flow has been estimated to be 1020 cfs. Is the normal depth subcritical or supercritical if the critical depth is 6.6 feet?
Water flows in a 100 ft wide rectangular channel at flow rate = 300 ft3/sec
Water flows in a 100 ft wide rectangular channel at flow rate = 300 ft3/sec. Manning's n = 0.015 and the bottom slope = 0.002. Calculate/answer the following: a. the uniform (normal) flow depth assuming the channel is wide and shallow. b. the critical flow depth. c. the flow depth upstream of a hydraulic jump with downstream depth = normal depth. d. the type of channel slope at the given normal depth: mild, critical, or steep (select one). f. the basis for your answer in...
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
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
Uniform water flow in a wide brick channel of slope 0.02 degrees moves over a 10-cm bump. A slight depression in the water surface results. If the minimum water depth per meter of width Then, again assuming uniform subcritical approach flow (V., y find (c) the flow rate and (d) y2 for which the flow at the crest of the bump is exactly critical (Fr2-10)
Uniform water flow in a wide brick channel of slope 0.02 degrees moves over a...
4. (10 marks) Given a flow of 100 cfs in a rectangle channel with 6 ft. base, Manning roughness coefficient 0.01, and the slope is channel is 1.5%; what is the normal depth and velocity of flow and what is the critical depth and velocity of flow? Is the flow subcritical or supercritical and why (provide a graphical solution on an appropriate chart)?
Question 7 Consider flow in an open channel with slope 1:500 and a Manning's n of 0.030. The channel has a rectangular cross-section with a width of 5 m (a) Uniform flow in this channel has a depth of 1.6 m. What is the flowrate in the channel? (4 marks) (b) Suppose that this uniform flow (at point 1 in the figure below) encounters an obstacle on the channel bed (at point 2). How big would the obstacle need to...
2. Find the normal depth for the 100-year-flood in the Magpie Creek Diversion Channel, which is shown below. The channel is trapezoidal with a base width of 15 ft, side slopes of 1H:1V (m=1), slope of 0.0028 and Manning's n of 0.015. The 100-year-flood flow has been estimated to be 1020 cfs. Is the normal depth subcritical or supercritical if the critical depth is 6.6 feet?
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