WATER RESOURCES ENGINEERING
3rd Edition
ISBN: 9781119490579
Author: Mays
Publisher: WILEY
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Question
Chapter 5, Problem 5.5.3P
To determine
(a)
The flow rate in the channel.
To determine
(b)
The critical depth.
To determine
(c)
The head loss in the jump.
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The sequent depth ratio of a hydraulic jump in a rectangular channel is 12. What would be the corresponding Froude number at the beginning of the jump?
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Chapter 5 Solutions
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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- a hydraulic jump occurs in a 3-m wide rectangular channel. the depth and the velocity after jump are 1.75m and 2m/s. what is the loss of energy in the jump. and if the length of the channel is 200 m determine slope of the channel.arrow_forwardA hydraulic jump occurs in a horizontal rectangular channel with sequent depths of 0.70 m and 4.2 m. Calculate the rate of flow per unit width, energy loss and the initial Froude number of the flow.arrow_forwardWater discharges from under a sluice gate into 10 m wide channel (slope = 0.001) at a flowrate of 28 m3/s as shown below. Assume n = 0.015. 1- Find critical and normal depths? 2- Classification of the water surface profile? 3- Quantitatively evaluate the profile downstream the gate until water surface height is 30 cm above the channel bottom? 4- where does the hydraulic jump start? Note: it is required to draw surface water profilearrow_forward
- In a rectangular channel 4m wide with Q=7.65m3/s the depth is 0.4m. If a hydraulic jump is produced, (a.) what will be the depth immediately after it? (b.) what will be the loss of energy?arrow_forwardderive a general expression for the wetted perimeter of a trapezoidal channel in terms of cross-sectional A, depth y and angle of slideslope. prove that Rh=y/2 for the section to have the best hydraulic efficiencyarrow_forwardA hydraulic jump occurs in a 5 meter wide rectangular channel carrying 6 m^3/s on an unkown slope. The depth after the jump is 1.4 m 1. If the length of the jump is 5 meter, determine the slope of the energy gradeline. ( answer should be in 3 decimal places)arrow_forward
- Calculate the hydraulic radius of a channel with a wetted perimeter of 8m, a width of 6m, and the following depths taken on a transect: .80m, .65m, .70m, .72m, .10m, .05m, 1.55m, 1.04m, 1.10m, .80m, .10m, .15marrow_forward3 decimal places. ASAP. rate will be given A hydraulic jump occurs in a trapezoidal channel with side slope of 1V:2H and base width of 3.8m. If the upstream depth is 1.1m and the downstream depth is 2.2m a) Compute for the discharge (m3/s) b) Compute for the power (hp) lost in the jumparrow_forwardWater fl ows in a brickwork rectangular channel 2 m wide,on a slope of 5 m/km. (a) Find the fl ow rate when thenormal depth is 50 cm. (b) If the normal depth remains50 cm, fi nd the channel width which will triple the fl owrate. Comment on this result.arrow_forward
- Determine the depth of channel after the hydraulic jump.arrow_forwardA hydraulic jump occurs in a 5m wide rectangular channel carrying 6m³/s on an unknown slope. The depth after the jump is 1.4 m. If the length of the jump is 5m, determine the slope of the energy gradelinearrow_forwardHydraulic structure Q.4] A hydraulic jump occurs in rectangular channel 6.1m wide, the rate of flow 22.6 cumecs, if the depth of water before jump is 0.47m. calculate the energy dissipated of the jump. What's the type of U.S.B.R. stilling basin of this case.?arrow_forward
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