State the design principles of a Side channel Spillway. State the normal and commonly used procedure while calibrating an ogee spillway in SA.How the capacity of a spillway is estimated?
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- The characteristics of a spillway are to be studied by means of a geometrically similar model constructed to a scale of 1:10.a. If 28.3 m 3 /s is the maximum rate of flow in a prototype, MEASURE thecorresponding flow in a model.b. If the velocity of flow in a model is 2.4 m/s, energy dissipated per second is 3.5N-m and the height of hydraulic jump is equal to 64 mm, MEASURE the corresponding parameters in a prototype.Q1: Classify the following open-channel flow situation: (e)Flow over a spillway (f)Sudden opening of a sluice gateq5 (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).
- answer the following: a. rate of flow b. velocity of flow after the spillway c. horizontal reaction on the spillway per meter widthA rectangular channel, 20 feet wide, carries a discharge of 200 cfs. Compute the critical depth and velocity.Water Resources Engineering: For a trapezoidal channel with a side-slope of 5:3 (horizontal: vertical), with a bottom width of 0.5 ft, and carrying a flow of 0.9 cfs, determine, (a) critical depth, and (b) minimum specific energy
- an emergency spillway for a detention basin is constructed as a trapezoidal channel with bottom width of 3 m and side slopes of 2 horizontal to 1 vertical lines with grass (n=0.040). The elevation of the crest of the emergency spillway is 150 m. The slope of the channel is 0.0080 m/m. Compute a chart showing the relationship between reservoir elevation and discharge into the channelA rectangular channel section increases in width from 40 ft to 50 ft in a length of 100 ft. The channel slope is 0.1%. If the discharge and the velocity of flow at section 1 are 2950 cfs and 12.8 ft/sec, respectively, determine the depths of flow at sections 1 and 2 and the velocity at section 2. Use the energy principle. Disregard the losses.please show step by step.A rectangular channel with a width of 8 feet conveys a discharge of 125 cfs. Find the critical depth of the channel
- (FLOW OVER A 60 DEGREES V-NOTCH WEIR) Need ASAP. Thank you. -How does the head flowing through your 60° v-notch weir impact the discharge coefficient? -How does the notch angle (60°) effect the device coefficient and the flow of discharge over your rectangular weir?.An engineer is asked to design a most efficient semi-circular open channel. The channel will have a discharge of 1.5 m3/s made of concrete with a roughness coefficient of 0.012 and has a slope of 0.007. What would be the most efficient cross sectionThe flowrate in a manmade diversion channel is 500 cfs. Calculate the critical depth and minimum specific energy and plot the Specific Energy Diagram for this flow if: a)The channel is trapezoidal with width of 10 ft and δ = 30ο b)The channel is triangular with δ = 30ο c)Find if a choke will occur in case of a step (increase in bed elevation) of 1 ft for the trapezoidal cross channel, if the depth of flow is 4 ft.