Oil Jet Impact on the Water Tank (Three Phases), Ansys Fluent Simulation Training

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In this project, Oil Jet Impact on the Water Tank has been simulated and the results of this simulation have been investigated.

This product includes Geometry & Mesh file and a comprehensive Training Movie.
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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 VOF 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.

Oil Jet

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

Oil Jet Impact CFD Simulation

To simulate the present model, several assumptions are considered, which are:

  • The solver is pressure-based.
  • 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.

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
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.

You can obtain Geometry & Mesh file and a comprehensive Training Movie which presents how to solve the problem and extract all desired results.


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