Develop a finite volume framework to solve for pressure and velocity along the flow direction in...
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Develop a finite volume framework to solve for pressure and velocity along the flow direction in a Venturimeter as depicted in the figure. Staggered grid is used to discretize as shown. Assumptions: i) The physics is treated as a 1D flow problem. ii) Viscous forces are ignored. iii) Body forces such as gravity is ignored. iv) Flow is incompressible. inlet A₁ Po t P2 1₂ 0.35 P3 P4 P5 a. Inlet pressure b. outlet velocity 0.2 iv) Inlet velocity is u₁ = 10 m/s v) Outlet pressure is P11 = 0 Pa (gauge) 146 P6 P7 P8 1 0.5 Po outlet Given: i) Inlet area, A₁ = 2500 mm²; throat area, At = 1000 mm²; outlet area, A₂ = 2500 mm². ii) Length of nozzle, throat and diffuser sections are 1₁ = 0.35 m, l₂ = 0.2 m, l3 = 0.5 m iii) Density of the fluid is p = 1000 kg/m³ 12 1. Finite volume formulation for SIMPLE algorithm. a. Continuity equation (p-node) (explain for one internal-node) b. Momentum equation (u-node) (explain for one internal-node) 2. How would you apply boundary conditions? a. Inlet b. outlet 3. Assuming all unknowns to have initial guess as 0, setup up SIMPLE interations. Solve until avg L₂ (p') <10 and avg L₂ (u') < 10-6. (You may use TDMA, GS-SOR, or any other solver developed in earlier assignment) 4. Post-processing: calculate the following. [20 points] [10 points] [20 points] [10 points] Develop a finite volume framework to solve for pressure and velocity along the flow direction in a Venturimeter as depicted in the figure. Staggered grid is used to discretize as shown. Assumptions: i) The physics is treated as a 1D flow problem. ii) Viscous forces are ignored. iii) Body forces such as gravity is ignored. iv) Flow is incompressible. inlet A₁ Po t P2 1₂ 0.35 P3 P4 P5 a. Inlet pressure b. outlet velocity 0.2 iv) Inlet velocity is u₁ = 10 m/s v) Outlet pressure is P11 = 0 Pa (gauge) 146 P6 P7 P8 1 0.5 Po outlet Given: i) Inlet area, A₁ = 2500 mm²; throat area, At = 1000 mm²; outlet area, A₂ = 2500 mm². ii) Length of nozzle, throat and diffuser sections are 1₁ = 0.35 m, l₂ = 0.2 m, l3 = 0.5 m iii) Density of the fluid is p = 1000 kg/m³ 12 1. Finite volume formulation for SIMPLE algorithm. a. Continuity equation (p-node) (explain for one internal-node) b. Momentum equation (u-node) (explain for one internal-node) 2. How would you apply boundary conditions? a. Inlet b. outlet 3. Assuming all unknowns to have initial guess as 0, setup up SIMPLE interations. Solve until avg L₂ (p') <10 and avg L₂ (u') < 10-6. (You may use TDMA, GS-SOR, or any other solver developed in earlier assignment) 4. Post-processing: calculate the following. [20 points] [10 points] [20 points] [10 points]
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Answer rating: 100% (QA)
Answer 1 Continuity Equation PNode The continuity equation states that the change in mass of the fluid per unit volume is equal to the rate of change ... View the full answer
Related Book For
Microeconomics
ISBN: 9781464146978
1st edition
Authors: Austan Goolsbee, Steven Levitt, Chad Syverson
Posted Date:
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