14.9 Example: Specific Energy Erample 14.4. A rectangular channel with B 25 m carries water at...
1. a) A rectangular channel is 5m wide and carries a flow of 5m3 /s. Plot the specific energy diagram for 0 < y < 2m. What is the critical depth and minimum specific energy? If the flow has a specific energy of 1.5m, what are the two possible flow depths? b) The channel in a) is narrowed to pass through a culvert 2m wide. It still carries 5m3 /s. What is the flow rate/unit width q (m2 /s) in...
Q1) Consider a rectangular channel with a constant width b, a) Obtain the equation of water surface profile (dy/dx) as function of Froude number and channel bottom slope in a channel transition assuming that over a short distance Ax, the energy losses can be neglected. b) Using the equation you have obtained, draw the water surface profile if flow is supercritical and if there is a downward step at the channel bed and show your results on the graph of...
hydraulics and hydrology please use EXCEL hydraulics and hydrology Use the specific energy diagram in part (a) to answer parts (b), (c), and (d). Hint: a spreadsheet is helpful to prepare the specific energy diagram. For part (a), set the limits on both axes to 10.0 ft. Also, include the line y E in your specific energy diagram. 14.3 A trapezoidal channel with a side slope of 1 (vertical):2(horizontal) and a bottom width of 10 ft carries a discharge of...
Problem 6 (20 points) A 1-m wide rectangular channel carries a discharge of 2.1 m'/s. A hydraulic jump is formed in the channel, after which the depth of flow is found to be 2.1 m. (a) Determine the depth yi and the Froude number F, before the jump. (b) Find the critical depth ye (c) Determine the power dissipated within the jump.
chanud! Par ritengaalr Alternative a for rectes gual 25 pts) A rectangular channel is 3.50 m wide conveys a discharge of 14.0 m/s at a depth of 2.0 m. It is proposed to reduce the width of the channel at a hydraulic structure. Assuming the transition to be horizontal and the flow to be frictionless determine the water surface elevations upstream and downstream of the constriction when the constricted width is: (a) 3 m. (Plot the specific energy versus depth...
Water flows in a rectangular channel of width b = 10 m that has Water flows in a rectangular channel of width b = 10 m that has a a Manning coefficient of n = 0.025. Plot a graph of Manning coefficient of n = 0.025. Plot a graph of flowrate flowrate, Q, as a , Q, as a function of slope S function of slope S0 0, indicating lines of constant depth and lines of , indicating lines of...
Specific discharge of a wide rectangular channel is 10.0m2/s (Q 10.0m3/s/m). The channel consists of two long reaches having the following bed slope, So1 -0.0001 (for ABC), and So2 = 0.008 for (CDE), (see Figure 1) respectively. There are two gates to control the flow and the flow depth at the vena contractor after each gate is approximately 0.3m. Take the Manning's coefficient as 0.015 Locate every possible flow changing locations and, sketch and name the water surface 1. profiles...
Please give detailed solution A long rectangular unfinished concrete channel of width 3.6 m carries a flow of 14 m/s, with an abrupt change in slope from 0.0019 to 0.0180 at the midpoint of the channel. Determine: a) the uniform flow depths upstream and downstream of the change in slope, b) the critical flow depth, and c) the water surface profile types upstream and downstream of the change in slope.
15.5 Channel Transitions (continued) Example 15.5. Velocity is varying with depth in a rectangular channel (B 8.2 ft) which carries discharge of Q 176.5 cfs. The kinetic energy correction factor is found to be o1 1.20 at that s with depth of low 4.9 t. What would be depth of flow at upstreamn section, where fow velocity is uniform with the depth. 15.5 Channel Transitions (continued) Example 15.5. Velocity is varying with depth in a rectangular channel (B 8.2 ft)...
(10 POINTS) Water flows at 12 m'/s in a 3.0-m wide rectangular channel at a depth of 30 cm. Determine the alternate depth of flow for the same specific energy 7.