Siphon CFD Simulation, Ansys Fluent Training

$121.00 Student Discount

  • The problem numerically simulates the Siphon Phenomenon using ANSYS Fluent software.
  • We design the 2-D model by the SpaceClaim software.
  • We Mesh the model by ANSYS Meshing software, and the element number equals 95451.
  • We perform this simulation as unsteady (Transient).
  • We use the VOF Multi-Phase Model to define two-phase flow in the siphon.
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Special Offers For Single Product

If you need the Geometry designing and Mesh generation training video for one product, you can choose this option.
If you need expert consultation through the training video, this option gives you 1-hour technical support.
The journal file in ANSYS Fluent is used to record and automate simulations for repeatability and batch processing.
editable geometry and mesh allows users to create and modify geometry and mesh to define the computational domain for simulations.
The case and data files in ANSYS Fluent store the simulation setup and results, respectively, for analysis and post-processing.
Geometry, Mesh, and CFD Simulation methodologygy explanation, result analysis and conclusion
The MR CFD certification can be a valuable addition to a student resume, and passing the interactive test can demonstrate a strong understanding of CFD simulation principles and techniques related to this product.



The present problem simulates the siphon phenomenon using ANSYS Fluent software. We perform this CFD project and investigate it by CFD analysis.

Water always flows from an area under higher pressure to an area of lower pressure. The siphon effect occurs when the fluid flows to the highest portion of the bend pipe due to the pressure difference and then comes down from there due to gravity.

The present model is designed in two dimensions using the SpaceClaim software. The meshing of the model was done using ANSYS Meshing software. The element number is 95451.

Also, due to the nature of the problem, the transient solver is enabled.

Siphon Methodology

This project uses the VOF multiphase model to simulate and solve the two-phase flow field equations. The flash tank discharges and the siphoning effect causes the water to drain.

The K-epsilon Realizable viscous model with scalable wall function has been used to solve the turbulent flow equations. The pressure-velocity coupling scheme is SIMPLE.

The second-order upwind discretization method has been used for Momentum, and the first-order upwind discretization method has been used for Turbulent kinetic energy and Turbulent dissipation rate.

Initially, the patching option was used to add the water phase into the domain.

Siphon Conclusion

After the solution process is completed, contours of velocity, pressure, water volume fraction, and streamline are extracted and presented below. As observed, the water inside the flash tank discharges and causes the siphoning effect.

Due to the siphoning effect, water will pass through the pipe and go to the highest point, and then due to gravity, it will come downward. Once the water flow has begun, the water will continue to flow, draining the ponding area.

2 reviews for Siphon CFD Simulation, Ansys Fluent Training

  1. Laurits M.

    It has a simple principle, but we use it every day. That is the interesting point!

  2. Dieter

    Hello MR-CFD. Why did you use the Explicit formulation for the VOF model?

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