Heat Sink Cooling with a Porous Medium, ANSYS Fluent CFD Tutorial

$120.00 Student Discount

  • The problem numerically simulates the performance of phase change materials (PCM) in a storage tank using ANSYS Fluent software.
  • We design the 3-D model by the Design Modeler software.
  • We Mesh the model by ANSYS Meshing software.
  • The mesh type is Structured, and the element number equals 7680.
  • We use the Porous Medium to study the porous effect on heat transfer.
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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 fluid flow inside a porous medium for heat sink cooling using ANSYS Fluent software. We perform this CFD project and investigate it by CFD analysis.

Studying fluid flow in porous media is one of science’s most widely used fields. A porous medium comprises mostly perforated materials and contains pores and void spaces within itself.

The present model is designed in three dimensions using Design Modeler software. The modeled geometry for this simulation consists of a hollow section acting as an inlet, followed by a porous aluminum foam, which is in contact with a heat source.

The meshing of this present model has been generated by Ansys Meshing software. The meshes used for this geometry are structured, and the total number of mesh cells is 7680.

Heat Sink Cooling Methodology

In this project, the fluid flow and heat transfer inside a porous medium is simulated by ANSYS Fluent software. This porous medium is in contact with a heat source, and the whole setup acts as a heat sink.

The flow enters through the inlet boundary with a velocity o 1.99 m/s and a temperature of 300K. It flows inside the porous medium to receive heat from it.

Moreover, the energy model is activated, and the RNG  k-epsilon model with standard wall function is exploited for fluid flow analysis.

Heat Sink Cooling Conclusion

At the end of the solution process, we obtain the temperature, velocity, pressure, streamlines, and velocity vectors.

As seen in the pressure contour, the flow pressure behind the porous medium significantly differs from that of the outlet boundary due to the resistance that the porous medium imposes on the system.


  1. Avatar Of Dr. Claudie Prohaska

    Dr. Claudie Prohaska

    Can this simulation be used to optimize the design of a heat sink?

    • Avatar Of Mr Cfd Support

      MR CFD Support

      Yes, the detailed results provided by the simulation can be used to optimize the design of a heat sink to improve its cooling performance.

  2. Avatar Of Dr. Juana Hackett Iii

    Dr. Juana Hackett III

    Can this simulation handle different sizes or shapes of heat sinks?

    • Avatar Of Mr Cfd Support

      MR CFD Support

      The simulation is highly customizable and can be adapted to various sizes and shapes of heat sinks.

  3. Avatar Of Chadd Schmitt

    Chadd Schmitt

    Can the simulation model the effect of forced convection on the heat sink performance?

    • Avatar Of Mr Cfd Support

      MR CFD Support

      Yes, the simulation can be adjusted to model the effect of forced convection, which can significantly improve the cooling performance of the heat sink.

  4. Avatar Of Clair Hamill Dds

    Clair Hamill DDS

    Can the simulation handle different types of porous materials?

    • Avatar Of Mr Cfd Support

      MR CFD Support

      Yes, the simulation can be adjusted to model different types of porous materials by changing the properties of the medium.

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