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- On a single plot, show curves that show the relationship between the pressure generated by thepump as a function of flow rate of water at 20 °C through the three branches of the piping systemshown below (delta P on the y axis and flow rate on the x axis; therange of the pressure should be 0 to ~1 MPa). Pipe inner diameter: 0.03 mPipe material: copperTypical mass flow rate of interest: 0.5 kg/sIgnore minor losses of tee's at points A and B and any features of branch 3Consider minor losses of two 90° elbows in branch 2AMoving to another question will save this response. Question 8 The Nusselt number in the developing flow region in a pipe - O is a fixed number and remains constant. O decreases in the direction of flow O first increases and then decreases. O increases in the direction of flowMechanical-Energy Balance and Friction Losses. Hot water is being discharged from a storage tank at the rate of 0.223 ft3/s. The process flow diagram and conditions are the same as given in Example 2.10-6, except for different nominal pipe sizes of schedule 40 steel pipe as follows. The 20-ft-long outlet pipe from the storage tank is 1 1/2 in. pipe instead of 4-in. pipe. The other piping, which was 2-in. pipe, is now 2.5-in. pipe. Note that now a sudden expansion occurs after the elbow in the 1 1/2 in. pipe to a 2 1/2 in. pipe.
- ) where AP is the static The Hagen-Poiseuille equation for the laminar flow through a circular pipe is: AP pressure drop measured over some length of pipe, L. Use the Hagen-Poiseuille equation and the Darcy-Weisbach equation to derive an expression for the fanning friction factor, f, for laminar flow through a circular pipe where Re is the Reynolds number. Choose one answer from the list below: of= of O None of the above 32 Re 16 Re O f = 64 Re = o f = 32μLc 3 d² 8 Re O f = 16 ReWater flows thiough a horizontal pipe at o veiociy of 50 ft per secon d. Owing to the pipe gradually expanding to larger rize, the velocity decreases to 35 f1 per second, what i the differentce between the prewures at two points, one in each size of pipe ? Given : VA =(50fps Ve -35 fps 1,421.88 psf 1,165.15 psf O 1,345.11 psf 1,021.96 psf 1,236.75 psf(b) Fluid flow through a horizontal circular pipe of inner radius of 2 cm with centerline velocity as shown in Table 1. Based on Table 1 and setting given to you; (i) Determine the average velocity, maximum velocity and volume flowrate; and (ii) Calculate and draw the velocity profile for the given flow. Table 1: Setting of Question Centerline Velocity (m/s) Density (kg/m³) Dynamic Viscosity (Pa.s) 1.0 1.225 1.802 x 10-5
- On a single plot, plot three curves that show the relationship between the pressure generated by thepump as a function of flow rate of water at 20 °C through the three branches of the piping systemshown below. Delta P on y axis and flow rate on the x axis. The pressure range is 0 to 1 MPa. (Branches 1 and 3 are in the same plane; branch 2 is located 5 m above the other two branches. Pipe inner diameter: 0.0254 mPipe material: copperTypical mass flow rate of interest: 0.5 kg/sIgnore minor losses of tee's at points A and B and any features of branch 3Consider minor losses of two 90° elbows in branch 2As an engineer, you are setting up an experiment to measure the airflow rate in a duct. Choose a technique and devices for the measurement. You are required to design/draw the set-up and demonstrate the calculation for themeasurement of flow rate. Please discuss the relevant principle involved and reason for selectingthe technique.EX in Asteel of speçific weight cy lin der (1"diametar andiz" Long) (8) =490 1b fI Ft3 fall be Cause of its own weight, at q uniform slig htly 9. rate of on5 HIs in side a tube of larger diameter.A Castor- oil film M = 6x lo -3 16 between t-s Constant thihness and the tube between of %3D is the cylinder Determine the cleamanCe (y) in ft the Cylinder and the tube-
- Use= Resolving of Example (1-3) Two reservoirs with a difference in elevation of 15 m are connected by the three pipes in series. The pipes are 300 m long of diameter 30 cm, 150 m long of 20 cm diameter, and 200 m long of 25 cm diameter respectively. The friction factors for the three pipes are, respectively, 0.018, 0-020 and 0-019, and which account for friction and all losses. Further the contractions and expansions are sudden. Determine the flow rate in l/s. The loss co-efficient for sudden contraction from dia. 30 cm to 20 cm = 0.24. Le-L₂ (D.) ² Le = L3 (D₁) ² 5 D3 LT. L₁ + L₂ ( D₁ ) ³ + L3 (D²₂) ³ 5 5 D3An oil is being pumped inside a pipe at rate of 5.2m/s-00. The oil density is 905 kg/m3 and the viscosity is 3.4x 10- 2 Pa' s . which pipe diameter should be used to maintain laminar flow le re <_ 2100Discuss a case study of control volume analysis inside a piping system. A variation in flow direction should be considered in the analysis.