Colliding of Two Water Jets CFD Simulation
$120.00 Student Discount
In this project, colliding of two water jets has been simulated and the results have been investigated.
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Description
Colliding of Two Water Jets CFD Simulation, Ansys Fluent CFD Simulation Training
The system consists of two different fluids, including air as the primary fluid and one secondary fluid as liquid water. The Eulerian multiphase model has been used to simulate the Colliding of Two Water Jets. The water enters the domain with a speed of 15m/s with gravity considered as -9.81 m/s-2 on the y-axis.
Geometry & Mesh
The 3-D domain of this simulation has been designed in ANSYS Design Modeler. Domain has to inlet as jet flow entrance and sides as an outlet; also, 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 872642.
Colliding of Two Water Jets 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:
| Models | ||
| K-omega | Viscous model | |
| SST | k-omega model | |
| shear flow corrections | k-omega options | |
| air | primary phase | |
| water | secondary phase | |
| explicit | formulation | |
| Boundary conditions | ||
| Velocity-inlet | inlet | |
| 0 | initial gauge pressure | mixture |
| 15 m/s | velocity magnitude | water |
| 1 | volume fraction | |
| Pressure outlet | outlet | |
| 1 | backflow volume fraction | air |
| 0 | backflow volume fraction | water |
| 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 | water velocity (0,y,0) | |
| 15 m/s | air velocity (x,y,z) | |
| 1 | the secondary phase volume fraction | |
Colliding of Two Water Jets Results
Two high-speed water jet flows start to flow from pipes and begin to move toward each other; after jets reach each other, the impact sum of velocity magnitude becomes zero, and water splashes to sides.
At the end of the solution process, two-dimensional and 3-D animation and counters of velocity, air, and water volume fraction are obtained.
You can obtain Geometry & Mesh file and a comprehensive Training Movie that presents how to solve the problem and extract all desired results.
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