EBK WATER RESOURCES ENGINEERING
3rd Edition
ISBN: 9781119493167
Author: Mays
Publisher: VST
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Chapter 5, Problem 5.5.5P
To determine
The depth at which hydraulic jump is formed just upstream of the gate, channel bottom slope and head loss in the hydraulic jump.
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The bottom width and bed slope of a long rectangular channel are 4.0 m and 0 0008,
respectively. The volumetric steady-state discharge is 1.50 m/s. The flow depth at a specific
location is 0 30 m. Ifn=0.016, determine:
(a) The type of water surface profile expected Show all work and state your reasoning in
support of your work Pleasell!!
(b) Sketch the water surface profile with all necessary information and labels shown
c) The channel shown in Figure 1 below is laid at a slope of 0.0018 and has a Manning's
roughness of 0.015.
i) Calculate the discharge for a normal depth of flow of 2.11 m
ii) Determine if this channel is mild or steep for this discharge.
10 m
YN
10°
10°
Figure 1- Question 1 (c)
2000. If the Manning's n value is 0.015, calculate the discharge.
Try calculating the
[0.94m'/s].
discharge using the Chezy equation with C = 70.
3. A hydraulic jump is to be formed in a channel carrying a discharge of 0.8 m'/s/m width
of channel with a depth of flow of 0.25 m. Calculate the depth required downstream to
[0.61 m]
create the jump.
Chapter 5 Solutions
EBK WATER RESOURCES ENGINEERING
Ch. 5 - Prob. 5.1.1PCh. 5 - Prob. 5.1.2PCh. 5 - Prob. 5.1.3PCh. 5 - Prob. 5.1.4PCh. 5 - Prob. 5.1.5PCh. 5 - Prob. 5.1.6PCh. 5 - Prob. 5.1.7PCh. 5 - Prob. 5.1.8PCh. 5 - Prob. 5.1.9PCh. 5 - Prob. 5.2.1P
Ch. 5 - Prob. 5.2.2PCh. 5 - Prob. 5.3.1PCh. 5 - Prob. 5.3.2PCh. 5 - Prob. 5.3.3PCh. 5 - Prob. 5.3.4PCh. 5 - Prob. 5.3.5PCh. 5 - Prob. 5.3.6PCh. 5 - Prob. 5.4.1PCh. 5 - Prob. 5.4.2PCh. 5 - Prob. 5.5.1PCh. 5 - Prob. 5.5.2PCh. 5 - Prob. 5.5.3PCh. 5 - Prob. 5.5.4PCh. 5 - Prob. 5.5.5PCh. 5 - Prob. 5.5.6P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- A hydraulic jump occurs in a trapezoidal channel with side slopes of 1:1 and base of 4 m. If the upstream depth before the jump is 1.0 m and the downstream depth is 2 m. Determine the discharge in cu.m./s (2 decimal places)arrow_forwardThe incoming flow rate is 200 m3/s on a rectangular channel with: depth = 3 meters width = 4 meters Then, a hydraulic jump occurred along the way. Determine the depth at the hydraulic jump section.arrow_forwardQuestion 18 The incoming flow rate is 100 m3/s on a rectangular channel with: depth = 3 meters width = 4 meters Then, a hydraulic jump occurred along the way. Determine the depth at the hydraulic jump section.arrow_forward
- At a hydraulic jump, the flow depths are 0.4 m and 5 m at the upstream and downstream, respectively. The channel is wide rectangular. The discharge per unit width is nearly m²/s 2 A 5.8 m/s 2 B 6.4 m²/s C 7.3 m²/s 2 D 8.3 m²/sarrow_forward4- In a rectangular channel, a hydraulic jump occurs at a point where depth of water- before and after the jump was 0.6 m and 1.15 m respectively. Determine the discharge per unit width and critical depth (yc).arrow_forwardFluid mechanicsarrow_forward
- Neglect head losses 4) Two branches of different sections and discharges merge and continue to flow in a main channel with trapezoidal section as shown in the figure below. a) Find the discharge in branch A, b) Find the discharge in branch B, c) Find the depth of flow in the main channel. Branch A Branch B n=0.025- 1 SA=0.002 n=0.02 YA=1.5 m B B b=25 m Section A-A. n=0.02 t SB=0.0016 n=0.015 ! 1 R=0.015 50 m n=0.025 YB 1.15 m n=0.015 10 m t Section B-B. C EC C n=0.011 + n=0.015 ***** n=0.011 50 m Main Channel |yc=? b=30 m Section C-C. n=0.02 n=0.02 Sc=0.0009 1m n=0.011 3-92 6) secarrow_forwardA trapezoidal channel with bottom width 3.5 m, side slope 2(H):1.5(V) and bottom slope of 1/250 carries discharge of 12,500 L/s at normal depth of 1.5 m. Calculate the corresponding Chezy's coefficient. (c)arrow_forwardRead the question carefullyarrow_forward
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