(a) Define and explain uniform flow. How is open channel flow different from pipe flow? (b) Under what conditions the bed slope, water surface slope and the energy line slope are equal?
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Q1:
- (a) Define and explain uniform flow. How is open channel flow different from pipe flow?
- (b) Under what conditions the bed slope, water surface slope and the energy line slope are equal?
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- 2. Flow occurs through a sand-filled pipe with a cross- sectional area of 60 cm?. If K is 10 cm/s and the gradient is 0.01, what is the discharge from the pipe?notes for the question and actual picture is the question thank you Although the following procedures are more or less sequential, be certain you read through and understand all the procedures and suggestions before you begin to actually construct a flow net. 1. Ensure that the use of a flow net is valid. (a) Flow is steady state. (b) Boundary conditions are known or can be approximated well. 2. Prepare for a trial-and-error solution: there is no unique solution. 3. Ensure that the boundaries of the flow field are drawn to scale. 4. Define the boundaries, and determine the nature of each boundary (a) equipotential, or constant-head, boundary (b) flow line, or no-flow, boundary: commonly an impermeable boundary (c) known-head boundary; commonly the water table (d) most often encountered, two equipotential boundaries and two flow line boundaries. 5. Determine the symmetry of the flow field, if any. This may reduce the work involved-for example, bilateral symmetry would require…1. Illustrate what types of basic equations and forces analysis are needed for reservoir and pipe flow 2. Explain the different types of fluid measurement device and its application. 3. Explain the hardy cross method for pipe flow problem solution
- Question 03: Consider a flow field represented by the stream function w = (4+27) x'y - (6+27) x'y? + (4+27) xy'. Is this a possible two-dimensional incompressible flow? Is the flow irrotational? Discuss the reasons against your findings.NEED ASAP There is a 1350 mm diameter sanitary sewer pipe with roughness coefficient of n = 0.022 and slope of 0.67%. Answer the following questions if the depth of the flow in this pipe is 659 mm: 17. How much is the capacity flow (Qc) of the proposed sanitary pipe? TIP: You may use Table No. 1 to help for calculation of the Qc. 18. How much is the velocity of the capacity flow (Vc) in the proposed sanitary pipe? 19. How much is the actual sanitary flow (Qa) of the project area? 20. How much is the velocity of the actual flow (Va) in the proposed sanitary pipe?2.In a water treatment unit, the flow through a trapezoidal cross-sectional tapping channel, is connected by a pipe-carrying channel to a flocculation pond with the dimensions shown in Figure 1. If it is known that the bottom slope of the channel is 0.0013 and the n-Manning coefficient is 0.045, what is the diameter pipe in the conveyance to meet the speed requirement of 1 m/s ? 70 cm 1 50 cm
- In the model test of a spillway the discharge and velocity of flow over the model were 2 m/s and 1.5 m/s, respectively. Calculate the velocity and discharge over the prototype which is 36 times the model size. Note:Use Froud Model Law to solve the question. Velocity Ratio: V = -= JT, %3D V. L T, LN, - = JL, T LV L, Time Ratio: Tr=P3= V,/T, Vr a V IT Tr Acceleration Ratio: a, Discharge Ratio: Q, AV Force Ratio: Fr=m,a, = p_Q}, = pFT =pEF =p1L = pL, Power Ratio: Pr=Fr. Vr=p LV V = p_LV? =pI(L) =p,LFor #5-7, assume there is a creek with a width of 4.6 m, depth of 23 cm, slope of 0.001 m/m, and discharge of 0.13 m³/s. 5. Assuming a rectangular cross section, what is the hydraulic radius of the creek to the nearest cm? 6. What is the average flow velocity to the nearest cm/s? 7. And what is the channel's Manning's roughness coefficient (using SI units) to the nearest hundredth?PROBLEM 6 Water in a 6-m-wide rectangular channel flows at a rate of 4 m³/s at a depth of 0.6 m. (a) What is the velocity (m/s) of flow upstream of the hump? (b) Is the flow (0.6 m-depth) super-critical or sub-critical? Compute the Froude number. (c) What is the critical depth, Y. (m)? (d) What should be the height, YH (m), of the hump to be installed if we want critical depth to occur? Yc 0.6 m HUMP Profile of channel YH
- 9. A pipe network consists of pipeline 1 from A to B then at B it is connected to pipelines 2 and 3, where it merges again at joint C to form a single pipeline 4 up to point D. Pipelines 1, 2 and 4 are in series connection whereas pipelines 2 and 3 are parallel to each other. If the rate of flow from A to B is 10 liters/sec and assuming f=0.02 for all pipes. Determine the flow in each pipe and the total head lost from A to D. PIPELINES LENGTH (m) DIAMETER (mm) 1 3,000 200 2 2,200 300 3 3,200 200 2,800 400 Page 2 of 3 Q2 Q4 Q1 B 4 1 Q3a. How the driving force is balanced in a uniform flow by the shear resistance force. State it mathematically with a sketch and also explain the sketch?. b.What is specific Energy define and explain ? What is mean by subcritical flow and super critcal flow?Water in a 6-m-wide rectangular channel flows at a rate of 4 m³/s at a depth of 0.6 m. (a) What is the velocity (m/s) of flow upstream of the hump? (b) Is the flow (0.6 m-depth) super-critical or sub-critical? Compute the Froude number. (c) What is the critical depth, Yc (m)? (d) What should be the height, YH (m), of the hump to be installed if we want critical depth to occur? Yc 0.6 m HUMP Profile of channel YH