Dimeter of pipe(D)m = 2.2 Depth of water (y)m= 1.4 Q.1. A (D) m diameter concrete...
A concrete pipe in a sewer duct has a diameter of D= 0.6 m and a slope of 1 in 200. (a) Using the Chezy formula, show that the velocity of flow will be at a maximum when the depth of flow h= 0.81 D. (b) Taking C=55 in SI units, determine: (i) The maximum velocity of flow that can occur. (ii) The discharge at maximum velocity
Water flows down a rectangular channel that has a width of 2.2 m, a Manning's n of 0.019 and a slope of 1 in 200. Calculate the discharge in the channel when the depth of flow is 0.5 m, 1.0 m, 2.0 m, and 4.0 m. Plot a graph of depth against discharge and comment on its shape, [10 marks] A wide channel has a Manning's number = 0.021, a longitudinal bed slope of 1:250 and conveys 0.XX m3/s/m of...
Air flows in a 0.50 m diameter pipe at a rate of 15 m/s as shown in Figure 6 Q4 (a) The pipe diameter changes to 1.0 m through a sudden expansion K, Note: For sudden expansion: Assess the pressure rise across this expansion. i. (9 marks) Explain how there can be a pressure rise across the expansion when i there is an energy loss (K, # 0) (2 marks) D2-1.0m Di-0.50 m Q= 15 m/s (1) (2) Figure 6:...
(a) A horizontal pipe, of constant internal diameter 500 mm, has a 90° bend (Figure Q3a). The discharge of water through the pipe is 0.15 ms and the entry pressure head is 28 m. Determine the magnitude and direction of the force exerted by the fluid on the bend. [9 marks] Figure Q3a
4. An old, rough-surfaced, 2-m-diameter concrete pipe with a Manning coefficient of 0.025 carries water at a rate of 5.0 m'/s when it is half ful. This pipe is to be replaced by a new smooth pipe with a Manning coefficient of 0.012. Determine the diameter of the new pipe if it also is to flow half full with a flow rate of 5.0 m'/s Water initially flowing in the horizontal section of pipe of diameter 12.00 cm shown in...
(c) Water flows through a pipe of diameter 0.05 m at a speed of 1.5 m/s. At the end of the pipe is a nozzle with an outlet diameter of 0.01 m. What is the velocity of the jet of water emerging from the nozzle and the discharge rate? [2 marks]
Water flows through the channel. The depth of flow is y =1.75 m and the downward slope of the channel is 0.006. The sides of the channel are finished concrete. (Figure 1) Part A Determine the volumetric flow of water through the channel.
(b) Water flows under gravity between two reservoirs through a pipe of length 5000m. The diameter of the pipe is 0.2 m and the roughness size is 0.04 mm. The water levels in the two reservoirs are maintained with a difference of 50 m. Determine the discharge through the pipe. Neglect all minor losses. Use the attached Moody diagram for estimation of friction factor. (10 marks) (c) In (b), now include entry loss at the upper reservoir with loss coefficient...
In the figure, the fresh water behind a reservoir dam has depth
D = 12.9 m. A horizontal pipe 5.15 cm in diameter passes through
the dam at depth d = 5.14 m. A plug secures the pipe opening. (a)
Find the magnitude of the frictional force between plug and pipe
wall. (b) The plug is removed. What water volume exits the pipe in
4.01 h?
a flow rate = 20ft3/sec flows through a 30-in-diameter
concrete pipe
6. (FE Practice problem) A flow rate 20 ft3/sec flows through a 30-in.-diameter concrete pipe (Manning's n constant with depth-0.013). The following data is given: Pipe length 800 ft Pipe invert elevation at upstream end of pipe 275.64 ft Pipe invert elevation at downstream end of pipe 270.96 ft The depth of flow (in.) in the pipe is most nearly: Upstream Invert elevation 275.64 t nvert elevation 270.96 A....