Oil Jet Impact on the Water Tank (Three Phases), Ansys Fluent Simulation Training
$180.00 Student Discount
In this project, Oil Jet Impact on the Water Tank has been simulated and the results of this simulation have been investigated.
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Description
Oil Jet Impact Project Description
In this project, numerical simulation of Oil Jet Impact on the Water Tank has been done using Ansys Fluent software. the system consists of three different fluids, including air as the primary fluid and one secondary fluid is liquid water, and the last is oil. The Eulerian multiphase model has been used. The oil is entering the domain with the speed of 8m/s with gravity considered as -9.81 m/s-2 on the y-axis.
Geometry & Mesh
The 2-D domain of this simulation has been designed in Design Modeler software. Domain has to inlet as jet flow entrance and sides as an outlet. Also, the pipe side is wall boundary.
The meshing of this present model has been generated by Ansys Meshing software. The mesh grid is unstructured, and the total cell number is 3661601.
Oil Jet Impact CFD Simulation
To simulate the present model, several assumptions are considered, which are:
- The solver is pressure-based and transient.
- Simulation has only examined fluid behavior; in other words, heat transfer simulation has not been performed.
- The effect of gravity on the flow is considered to be 9.81 m.s-2 and along with the y-axis in the present model.
The following is a summary of the steps for defining the problem and its solution.
| Models | ||
| K-omega | Viscous model | |
| SST | k-omega model | |
| shear flow corrections | k-omega options | |
| air | primary phase | |
| water | secondary phase | |
| Oil | Secondary phase | |
| explicit | formulation | |
| Boundary conditions | ||
| Velocity-inlet | inlet | |
| 0 | initial gauge pressure | mixture |
| 8 m/s | velocity magnitude | oil |
| 1 | volume fraction | |
| Pressure outlet | outlet | |
| 1 | backflow volume fraction | air |
| 0 | backflow volume fraction | mixture |
| wall | wall | |
| stationary wall | wall motion | |
| Solution Methods | ||
| Phase coupled | pressure-velocity coupling | |
| PRESTO! | pressure | |
| first-order upwind | momentum | |
| first-order upwind | specific dissipation rate | |
| first-order upwind | volume fraction | |
| Initialization | ||
| standard | initialization method | |
| 8 m/s | oil velocity (0,y,0) | |
| 1 | the secondary phase volume fraction | |
Oil Jet Impact Results
At the end of the solution process, two-dimensional animation and counters of velocity, air, and water volume fraction are obtained. The goal is to simulate a three-phase system as so in the beginning domain contains to liquid water and air, by the time oil jet enters domain and continues to reach water surface, as impact because of the heterogeneousness of water and oil they don’t mix. So oil pushes water around, and spall’s this and makes a vortex. This simulation is an excellent example of three heterogeneous fluid in one domain and they behavior.
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