What are the advantages and disadvantages of the Nord Stream pipeline and the Langeled pipeline? Explain summary
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What are the advantages and disadvantages of the Nord Stream pipeline and the Langeled pipeline?
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- An old pipeline which has relative roughness K/ D = 0.005 operates at a Reynolds number which is sufficiently high for the flow to be beyond the viscous influence and the corresponding f = 0.03. The power increase required to maintain same rate of flow if 'f increases to 0.0375 would be aboutAs shown in the Google Maps, a 12-inch PVC pipeline (f = 0.019) will be constructed to provide water from the Pomona Water Reclamation Plant (PWRP) to Cal Poly Pomona campus. The pipeline is meant to deliver 2550 gal/min to the proposed development. The total length of this pipeline is 2.34 miles. The elevations at the beginning point and the ending point are 348 feet and 365 feet, respectively. At PWRP, there is a half-open gate valve for water supply shortly after the flow enters the pipeline through the entrance (r/d = 0). Along the pipeline, smooth bends (with vanes, r/d = 8) were utilized to alter flow direction. At each fire hydrant (FH) location, a tee is installed to create a lateral to the fire hydrant. How much residual pressure should be there at the beginning point to ensure the minimum residual pressure of 30 psi at the ending point of this pipeline? Assume a = 1.0 at all locations; temperature is 15°C. Hint: Compute the pipeline velocity, unit head loss, and the residual…A pipeline is to convey 0.6 m³/s of water between two reservoirs 8 km apart and 60 m different in elevation. Considering only pipe friction losses, use the Darcy-Weisbach, Hazen-Williams, and Manning formulas to select a diameter of welded steel pipe that will meet this requirement.
- 4. To monitor turbidity and chloride concentrations of incoming flow, an engineer designed a transfer pipeline with several in-line measuring devices at segment "“B" (see figure below). Specifications from the manufacturer recommends that to protect the optical sensor of the most sensitive instrument, the operating velocity may not exceed 13 m/s or fall below 8 m/s. What size(s) pipeline would you propose for segment “B" if the peak-flow is 9.5 MGD? 24" dia. 18" dia. CFor the pipeline sytem shown below determine a) DBC if LBC = "100*k" m b) LBC if DBC = 15 cm AB BC AC A L (m) 100k ? 200k D (cm) 5 2.5 ? B 5 Q (l/s) 7 ? 10 k = 84 C f 0,02 0,02 0,02HYDRAULICS-Rate of flow of pipeline 2-Rate of flow of pipeline 3PLEASE PROVIDE COMPLETE SOLUTIONNEED ASAP THANKS
- A municipal water supply diversion pipe carries flow from Lake Agnes to the watershed divide at Cameron Pass. A 3.61-km long portion of the pipeline was reconstructed in 1984 using 1000-mm diameter Spirolite high-density polyethylene (plastic) pipe and was laid at a slope of 0.14 percent. Using Hazen-Williams equation, determine the full-flow discharge that can be passed by this pipeline (in m³/s).While planning a future expansion, a water distribution pipe will be replaced as shown in Figure 2. The current plan is for the new configuration to have the same head-loss between points A and B once the new pipes are laid. Considering that the physical characteristics of these new pipes will be identical to the previously laid pipe (L, D, CHW), (A) what will the new operational flow be? After years of wear and tear while operating above the required flow, the pipes have prematurely degraded. The Hazen-Williams coefficients have dropped to: CHW₁= 130, CHW2= 135, CHW3= 125. You must now (B) quantify the head-loss between points A and B for an operational flow of 200 l/s. A -▬▬▬▬▬▬▬▬▬▬▬▬▬▬ LA-B = 150 m D = 0.15 m Qoperational =50 1/s CHW= 150 B ▬▬▬▬▬ A ▬▬▬▬▬▬ Pipe 1 Pipe 2 Pipe 3 Figure 2 Initial (left) and future (right) pipe configuration BWhat happens when flow enters a long pipeline from a large reservoir.
- A pipe having a diameter of feet with roughness coefficient of 0.013 flows full. If the slope of the energy grade line is 0.0025 and the discharge is 11.32 cfs, what is the diameter of the pipe?7.70 If the pipe shown has constant diameter, is this type of HGL possible? If so, under what additional conditions? If not, why not? HGL р Y Z Datum PROBLEM 7.70A transmission main needs to be sized from a new well field to the water distribution system. Average flow rate is 65 L/s. What is the manufactured pipe size in inch for minimum velocity to avoid deposition of solids?