Hydraulic structures
A head regulator has five gates, four meter wide for each one, given the following data : upstream water level = 34.53m, downstream water level = 34.28m, upstream and downstream bed level = 29.35m, discharge = 90 cumecs and coeff. of discharge = 0.92 , neglected the velocity head. required: (40 Marks)
Homework Answers
Figure 2. Pipes that connect Reservoirs A and B. /20 3. A transmission pipeline that conveys wate...
Figure 2. Pipes that connect Reservoirs A and B. /20 3. A transmission pipeline that conveys water from an upstream reservoir to a downstream reservoir is indicated below. The transmission main has a valve along its length that controls the discharge in the system. The discharge through the valve is computed with the valve equation below. The pipeline has a length of 5,000 m, a Hazen-Williams C' factor of 100, and an inner diameter of 1,167 mm. The upstream reservoir...
3) In the following pipe system, water discharge in pipe 1 is given as Qi=1.2 m3/s....
3) In the following pipe system, water discharge in pipe 1 is given as Qi=1.2 m3/s. The upstream and downstream reservoir water surface elevations are known, and they are Za=100 m, and ZB=80 m, respectively. Relevant pipe data are provided in the table below. Determine the diameter in pipe 3. Velocity head at the junction and minor losses in the system will be neglected. (v = 1 x 10-6 m2/s) | Pipe (mm) 3.6 ZA=100 m L (m) 5000 6000...
EXPERIMENT 4 FLOW UNDER A SLUICE GATE AND THE HYDRAULIC JUMP 4.1 Introduction The sluice gate provides acenv...
EXPERIMENT 4 FLOW UNDER A SLUICE GATE AND THE HYDRAULIC JUMP 4.1 Introduction The sluice gate provides acenvenient means of flow regulation, especially in irrigation and drairage schemses where low has to be distributed in notworks of interconnected chanmels. The gane is peovided wih a lifting mechanis so at the aperture beeeath it may be set to any desired position When closed, the sperture is closed so that no Bow ca pass through the gale. In this experiment we measure...
When calculating the complete vector on the central section of the dam wall, do you include...
When calculating the complete vector on the central section of
the dam wall, do you include the 8m for the radial gates? Also, how
do you calculate the length of the sides for the pressure prism of
the uplift? The face is 142 + 8, is the other side 142/sin57?
Question 2 A large concrete gravity dam, storing water, has a central drum gate and four (4) radial gates installed on its central spillway section to control releases from the...
The volume of water that a stream moves in a given amount of time is known...
The volume of water that a stream moves in a given amount of time is known as the stream's discharge In general, stream discharge will be velocity. 1 square 1 square meter Stream B Stream A Velocity: 30 meters/second Velocity: 10 meters/second Consider the above figure depicting a side view of the cross-section of two streams Each square represents one square meter (1 m) Think about which one would have greater discharge. (Develop a hypothesis.) Now let's test your hypothesis....
Question 1 50 marks Part A (30 marks) In a proposed water supply system, two large...
Question 1 50 marks Part A (30 marks) In a proposed water supply system, two large reservoirs will be connected with a pipeline 9 km long and with an elevation difference of 72 metres between the full water levels of the reservoirs. The pipe will be required to convey a minimum discharge of 450 L/s. The proposed pipe material is UPVC. Fittings in the pipeline include one 90° short radius elbow and one gate valve fully open. Pipeline entrance and...
Q1. The stage-discharge data of a river are given below. Establish a stage discharge relationship...
Q1. The stage-discharge data of a river are given below. Establish a stage discharge relationship to predict the stage for known discharge. Assume the stage value for a zero discharge as 20.50 m. Also determine the stage of river corresponding to a discharge of 2600 m3/s. Table 1: Stage discharge data Stage (m): 21.95 22.45 22.8 2323.4 23.75 23.65 Q (m3/s)100 220 295 400 490 500 640 Stage (m) 24.05 24.55 24.85 25.4 25.15 25.55 25.9 m3 /s) 780 1010...
fluid Q1: A venture meter is fitted in a pipe of 30 cm diameter inclined at...
fluid
Q1: A venture meter is fitted in a pipe of 30 cm diameter inclined at 40° to the horizontal to measure the flow rate of petrol having a specific gravity of 0.8. The ratio of areas of main pipe and throat is 5 and the throat is at 1 m from the inlet along its length. The difference in manometer head is 40 mm of mercury. Assuming the coefficient of discharge as 0.96. Calculate the discharge through the venture...
A gravelly sand channel slopes away from a reservoir, through the reservoir rim, to an adjacent...
A gravelly sand channel slopes away from a reservoir, through the reservoir rim, to an adjacent drainage area. The channel slopes at a gradient of 23 m (75 ft) vertically to 30.5 m (100 ft) horizontally. In cross section the channel is 1.8 m (6 ft) thick and 4.6 m (15 ft) wide. The channel intersects the adjacent drainage area at a horizontal distance of 152.4 m (500 ft) from the reservoir. a. At minimum pool elevation in the reservoir...
- Task 2: In Wadi Dayqah Dam, it was required to pull the water at height...
- Task 2: In Wadi Dayqah Dam, it was required to pull the water at height 'H' from the Dam. Engineers decide to install a pump to deliver the water of 'Q” liters/s to a tank adjacent to one industry. The system sketch as shown in figure 2 below. Given that diameter the pipe (D), length (L) and coefficient of friction (f). Coefficients for minor losses as - Kinlet = 1.3; Kelbow,90 = 1; Kelbow,45 = 0.62; Kexit = 1....
Figure 2. Pipes that connect Reservoirs A and B. /20 3. A transmission pipeline that conveys water from an upstream reservoir to a downstream reservoir is indicated below. The transmission main has a valve along its length that controls the discharge in the system. The discharge through the valve is computed with the valve equation below. The pipeline has a length of 5,000 m, a Hazen-Williams C' factor of 100, and an inner diameter of 1,167 mm. The upstream reservoir...
3) In the following pipe system, water discharge in pipe 1 is given as Qi=1.2 m3/s. The upstream and downstream reservoir water surface elevations are known, and they are Za=100 m, and ZB=80 m, respectively. Relevant pipe data are provided in the table below. Determine the diameter in pipe 3. Velocity head at the junction and minor losses in the system will be neglected. (v = 1 x 10-6 m2/s) | Pipe (mm) 3.6 ZA=100 m L (m) 5000 6000...
EXPERIMENT 4 FLOW UNDER A SLUICE GATE AND THE HYDRAULIC JUMP 4.1 Introduction The sluice gate provides acenvenient means of flow regulation, especially in irrigation and drairage schemses where low has to be distributed in notworks of interconnected chanmels. The gane is peovided wih a lifting mechanis so at the aperture beeeath it may be set to any desired position When closed, the sperture is closed so that no Bow ca pass through the gale. In this experiment we measure...
When calculating the complete vector on the central section of
the dam wall, do you include the 8m for the radial gates? Also, how
do you calculate the length of the sides for the pressure prism of
the uplift? The face is 142 + 8, is the other side 142/sin57?
Question 2 A large concrete gravity dam, storing water, has a central drum gate and four (4) radial gates installed on its central spillway section to control releases from the...
The volume of water that a stream moves in a given amount of time is known as the stream's discharge In general, stream discharge will be velocity. 1 square 1 square meter Stream B Stream A Velocity: 30 meters/second Velocity: 10 meters/second Consider the above figure depicting a side view of the cross-section of two streams Each square represents one square meter (1 m) Think about which one would have greater discharge. (Develop a hypothesis.) Now let's test your hypothesis....
Question 1 50 marks Part A (30 marks) In a proposed water supply system, two large reservoirs will be connected with a pipeline 9 km long and with an elevation difference of 72 metres between the full water levels of the reservoirs. The pipe will be required to convey a minimum discharge of 450 L/s. The proposed pipe material is UPVC. Fittings in the pipeline include one 90° short radius elbow and one gate valve fully open. Pipeline entrance and...
Q1. The stage-discharge data of a river are given below. Establish a stage discharge relationship to predict the stage for known discharge. Assume the stage value for a zero discharge as 20.50 m. Also determine the stage of river corresponding to a discharge of 2600 m3/s. Table 1: Stage discharge data Stage (m): 21.95 22.45 22.8 2323.4 23.75 23.65 Q (m3/s)100 220 295 400 490 500 640 Stage (m) 24.05 24.55 24.85 25.4 25.15 25.55 25.9 m3 /s) 780 1010...
fluid
Q1: A venture meter is fitted in a pipe of 30 cm diameter inclined at 40° to the horizontal to measure the flow rate of petrol having a specific gravity of 0.8. The ratio of areas of main pipe and throat is 5 and the throat is at 1 m from the inlet along its length. The difference in manometer head is 40 mm of mercury. Assuming the coefficient of discharge as 0.96. Calculate the discharge through the venture...
- Task 2: In Wadi Dayqah Dam, it was required to pull the water at height 'H' from the Dam. Engineers decide to install a pump to deliver the water of 'Q” liters/s to a tank adjacent to one industry. The system sketch as shown in figure 2 below. Given that diameter the pipe (D), length (L) and coefficient of friction (f). Coefficients for minor losses as - Kinlet = 1.3; Kelbow,90 = 1; Kelbow,45 = 0.62; Kexit = 1....
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