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. 4) Maximum Flow . For the channel below, determine the ratio between the depth of...
Question 6 A concrete-lined trapezoidal channel with uniform flow has a normal depth of 1.5 m. The base width is 4 m and the side slopes are equal at 1 vertical to 2 horizontal. Mannin‘s n-0015....
Question 6 A concrete-lined trapezoidal channel with uniform flow has a normal depth of 1.5 m. The base width is 4 m and the side slopes are equal at 1 vertical to 2 horizontal. Mannin‘s n-0015. The bed slope 0.001 Compute the mean velocity and discharge. If the above channel were to be designed for flooding, it may have a section like in Figure below 8 m 8 m 4 m When the flow goes over the top of the...
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...
Part C - Maximum shear flow in the channel Determine the maximum shear flow, qmax ,...
Part C - Maximum shear flow in the channel
Determine the maximum shear flow, qmax
, experienced by the channel.
Express your answer to five significant figures and include the
appropriate units.
Review Learning Goal: To determine the maximum shear flow in a thin-walled member that is subjected to a vertical shear force. As shown, a channel is subjected to a vertical shear force of V = 90.0 kN and has dimensions b = 60.0 mm , e = 300.0...
Question 3: Compound channel flow Consider the compound channel section below. - 17.0 n = 0.030...
Question 3: Compound channel flow Consider the compound channel section below. - 17.0 n = 0.030 ng = 0.035 7.0 7.0 0.9 So = 0.0002 3.0 12 = 0.02 a) Use the divided channel method to estimate the discharge in the compound channel for a depth of 1.2 m using vertical divisions. b) Given that the stage height and flow rate measured at a given station B is 3.5 m and 6 m/s, respectively, use the standard step method to...
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...
(c) A trapezoidal channel, as shown below, has a base width b = 6 m and...
(c) A trapezoidal channel, as shown below, has a base width b = 6 m and side slopes 1H:1V. The channel bottom slope is S=0.0002 and the Manning roughness coefficient is n=0.014. Compute: a) the depth of uniform flow if Q = 12.1 m3/s b) the state of the flow. Y Y. b = 6 m Fig. Q2c
8. A rectangular channel section has a change in slope as shown in figure below. The chamel is 4m...
please solve this problem
8. A rectangular channel section has a change in slope as shown in figure below. The chamel is 4m wide having Manning's n = 0.0165. The bed siope So,-0.0024 and the flowing discharge is 16 m,sec. a) Calculate the depth that must exrist in the downstream channe!l for a hydraulic jump to terminate at uniform fiow condition. b) If upstream depth Yoi 0.4m, calculate the length of hydraucump using at least three increments of depth in...
Q1. For a uniform flow, a trapezoidal channel has a base width b = 8 m...
Q1. For a uniform flow, a trapezoidal channel has a base width b = 8 m and side slopes 11:1V. The channel bottom slope is so = 0.0002 and the Manning roughness coefficient n = 0.016. Compute a) The depth of uniform flow if Q = 14.3 m3/s b) The state of flow. yo У. b= 8 m
A 4-m high dam with a slope of 8:1 ?V) has been proposed to ensure steady...
A 4-m high dam with a slope of 8:1 ?V) has been proposed to ensure steady water levels in a rectangular channel with a width of 5 m, a bottom slope of 0.2%, a Manning's n of 0.02, and discharge rate of 10 m3/s as shown below. proposed aim So-0.002 1. (15 points) Sketch out the gradually varied flow profiles for the water surface around the proposed dam by hand a. Determine the critical depth for the channel b. Estimate...
2. (10 pts) A municipality is designing an open storm drain channel in the form of an in verted t...
2. (10 pts) A municipality is designing an open storm drain channel in the form of an in verted trapezoid. It has a width of L at its base, is symmetric about the vertical, and its sides are at an angle θ to the horizontal (Fig. 2). Assuming the Manning formula, i.e grating for pedestrians where O-v3o./n is fired for this prob- lem (because material and slope are already known), determine Q as a function of Co, L, 0, and...
Question 6 A concrete-lined trapezoidal channel with uniform flow has a normal depth of 1.5 m. The base width is 4 m and the side slopes are equal at 1 vertical to 2 horizontal. Mannin‘s n-0015. The bed slope 0.001 Compute the mean velocity and discharge. If the above channel were to be designed for flooding, it may have a section like in Figure below 8 m 8 m 4 m When the flow goes over the top of the...
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...
Part C - Maximum shear flow in the channel
Determine the maximum shear flow, qmax
, experienced by the channel.
Express your answer to five significant figures and include the
appropriate units.
Review Learning Goal: To determine the maximum shear flow in a thin-walled member that is subjected to a vertical shear force. As shown, a channel is subjected to a vertical shear force of V = 90.0 kN and has dimensions b = 60.0 mm , e = 300.0...
Question 3: Compound channel flow Consider the compound channel section below. - 17.0 n = 0.030 ng = 0.035 7.0 7.0 0.9 So = 0.0002 3.0 12 = 0.02 a) Use the divided channel method to estimate the discharge in the compound channel for a depth of 1.2 m using vertical divisions. b) Given that the stage height and flow rate measured at a given station B is 3.5 m and 6 m/s, respectively, use the standard step method to...
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...
(c) A trapezoidal channel, as shown below, has a base width b = 6 m and side slopes 1H:1V. The channel bottom slope is S=0.0002 and the Manning roughness coefficient is n=0.014. Compute: a) the depth of uniform flow if Q = 12.1 m3/s b) the state of the flow. Y Y. b = 6 m Fig. Q2c
please solve this problem
8. A rectangular channel section has a change in slope as shown in figure below. The chamel is 4m wide having Manning's n = 0.0165. The bed siope So,-0.0024 and the flowing discharge is 16 m,sec. a) Calculate the depth that must exrist in the downstream channe!l for a hydraulic jump to terminate at uniform fiow condition. b) If upstream depth Yoi 0.4m, calculate the length of hydraucump using at least three increments of depth in...
Q1. For a uniform flow, a trapezoidal channel has a base width b = 8 m and side slopes 11:1V. The channel bottom slope is so = 0.0002 and the Manning roughness coefficient n = 0.016. Compute a) The depth of uniform flow if Q = 14.3 m3/s b) The state of flow. yo У. b= 8 m
A 4-m high dam with a slope of 8:1 ?V) has been proposed to ensure steady water levels in a rectangular channel with a width of 5 m, a bottom slope of 0.2%, a Manning's n of 0.02, and discharge rate of 10 m3/s as shown below. proposed aim So-0.002 1. (15 points) Sketch out the gradually varied flow profiles for the water surface around the proposed dam by hand a. Determine the critical depth for the channel b. Estimate...
2. (10 pts) A municipality is designing an open storm drain channel in the form of an in verted trapezoid. It has a width of L at its base, is symmetric about the vertical, and its sides are at an angle θ to the horizontal (Fig. 2). Assuming the Manning formula, i.e grating for pedestrians where O-v3o./n is fired for this prob- lem (because material and slope are already known), determine Q as a function of Co, L, 0, and...
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