Homework 3 Q1. A rectangular channel b= 1,5m, Q= 900L/s, the depth of flow before the...
Homework 2 Q2-1. A rectangular channel b= 1.5m, Q= 900L/s, the depth of flow before the hump is 1m and Az=200mm, compute the depth of flow above the hump. 1 v 12g V12g __ (v/2g yl-1m Az-200m "hump
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...
Answer and progress.
Water flows at 4.3m/s in a rectangular channel of width 3 m and depth of flow 1m. If the channel width is decreased by 0.75m and the bottom of the channel is raised by 0.25m, Find the followings: The discharge per unit width before the constriction q m3/s/m Discharge per unit width at the constriction q" = m/s/m Water depth of flow in the constriction y2 =
ca) EX (1) in a rectangle channel (uniform depth) of 1.5m occurs in along rectangular channel of 3m width. If n=0.015, and S=0.001 find. min. height of humpin floor to have critical depth. b) the max. width to produce critical flow. y2yc yl=1.5m Z b=3m
Please provide a clear solution for the above example. The
correct answer is provided.
Nonuniform Flow in a Rectangular Channel Water flows in a rectangular channel with a speed of 3 m s-1 and a depth of 1.25 m What alternative flow depth yields the same specific energy? Answer(s1.03 m;
Nonuniform Flow in a Rectangular Channel Water flows in a rectangular channel with a speed of 3 m s-1 and a depth of 1.25 m What alternative flow depth yields...
The discharge Q in a rectangular channel is 6m3 /s. The channel width is 3m and flow depth is 2m. (i) The channel width is reduced (no change to bed elevation) to 1.5m at a downstream location. What is the flow depth at the constriction? Determine if choking conditions are present. Explain your answer using of a q-y curve. (ii) The channel width is reduced (no change to bed elevation) to 1.0m at a downstream location. Calculate the upstream water...
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)...
Answer and progress.
A hydraulic jump occurs in a rectangular channel 3.0m wide. The water depth before the jump is 0.6m, and after the jump is 1.6m. Find the followings: (a) the flow rate in the channel Q = m/s (b) the critical water depth yc = m (c) the head loss in the jump, h = m
Q1. For a uniform flow, a trapezoidal channel has a base width b = 8 m and side slopes 11:1V. The channel bottom slope is so = 0.0002 and the Manning roughness coefficient n = 0.016. Compute a) The depth of uniform flow if Q = 14.3 m3/s b) The state of flow. yo У. b= 8 m
b. Data: y=1 m
b= 5m
S= 1/1000
n=0.02
Q-6.317 m^3/s
V= 1.263 m/s
c) At a point downstream of that in part (b) above, there is a weir, Az is 0.5 m in height. If the section properties of the channel remains the same as in part (b), determine yı the depth of flow just before the weir. Assume negligible headloss across the weir and critical flow occurs over the weir. (yı lies between 1.2 1.3 m) (8 Marks)...