Q51. A 1:50 spillway model has a discharge of 1.5 cumecs. What is the corresponding prototype discharge? If a flood phenomenon takes 6 h to occur in the prototype, how long should it take in the model.
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- -What happens to the theoretical discharge if the flowrate traveling through the device is increased? -How does the head passing through your weir impact the discharge coefficient? (FLOW OVER A RECTANGULAR WEIR) Need ASAP. thank you.A rectangular channel, 20 feet wide, carries a discharge of 200 cfs. Compute the critical depth and velocity.answer the following: a. rate of flow b. velocity of flow after the spillway c. horizontal reaction on the spillway per meter width
- A pipe having a diameter of 3 m with roughness coefficient of 0.013 flows 30% of full depth. If the slope of the energy grade line is 0.0025, determine the discharge.A trapeziodal channel lined with grass (n = 0.027) has a bottom width of 4.25 feet, side slopes of 2 horizontal to 1 vertical, and a slope of 1.1 percent. Water is flowing at a depth of 2.35 feet. a) what is the discharge? b) what is the velocity?A rectangular channel, 20ft wide, carries 400 cfs and discharges onto a 20 ft wide apron with no slope with a mean velocity of 20 fps. What is the height of the hydraulic jump? What energy is lost in the jump? 2. At a certain section of a rectangular channel 10 ft wide, the depth of flow is 2 ft and the flow rate is 400 ft3/s. If a hydraulic jump occurs, will it be upstream or downstream of this section? Prove answer using calculation. 3. Water flows over a spillway into a sluice 10 m wide. Before the jump the water has a depth of 1 m and a velocity of 18 m/s. Determine the Froude number before the jump and the depth of flow after the jump
- Q1: Classify the following open-channel flow situation: (e)Flow over a spillway (f)Sudden opening of a sluice gateHow we can find average daily flows? I have data of precipitation also and stage-discharge curve also!! Please write down one by one step... How we can use these conditions to find out average daily flow?The head on a sharp-crested, rectangular weir was incorrectly observed to be 1.4 m. when it was actually 3.22 m. If the crest length is 4.61 meters, determine the percentage error (in percent) in the computed value of the flow rate. Use coefficient of discharge = 0.993. Round off to two decimal places.
- q5 (b) The discharge and velocity of flow over the model of a spillway are 4 m3/s and 3.2 m/s, respectively. Determine the velocity and discharge over the prototype, which is 25 times the size of the model. Refer to Table 5(b).An unsymmetrical triangular weir with a vertex angle equal to α = 40 deg(left half) + β = 26 deg(right half). What is the flow rate through the weir (L/s) if the head over the crest is 3.0m? c = 0.61179.A flood - frequency curve for a certain stream indicates recurrence interval of 110 years for a discharge of 500 cubic feet / second . The probability of occurrence for a flood of this size for this stream would be T F