Series Fans CFD Simulation using MRF Method

$180.00 Student Discount

  • The problem numerically simulates the airflow between two 3-bladed Series Fans using ANSYS Fluent software.
  • We design the 3-D model by the Design Modeler software.
  • We Mesh the model by ANSYS Meshing software, and the element number equals 1914000.
  • We use the Frame Motion to define rotational motion for fan blades.
Click on Add To Cart and obtain the Geometry file, Mesh file, and a Comprehensive ANSYS Fluent Training Video. By the way, You can pay in installments through Klarna, Afterpay (Clearpay), and Affirm.

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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.


Series Fans CFD Simulation using MRF Method, ANSYS Fluent Tutorial

In this project, steady air flow is investigated between two 3-bladed Series Fans CFD Simulation rotating at an angular velocity of 300 rpm using ANSYS Fluent software. We perform this CFD project and investigate it by CFD analysis.

The three-dimensional geometry of this project has been designed with Design Modeler software. The meshing of this project has been done with ANSYS Meshing software. The element number is 1914000.

Series Fans Methodology

In this project, steady air flow is investigated between two 3-bladed series fans rotating at an angular velocity of 300 rpm by ANSYS Fluent software. The rotation of fans generates air suction at the inlet boundary with a flow rate of 2.95755 m3/s.

The air velocity reaches values up to 25 m/s on the domain centerline; however, the maximum air velocity in the domain is equal to 47.05 m/s, which is captured downstream of the first fan. Moreover, the RNG k-epsilon model is enabled to solve turbulent fluid equations.

Series Fans Conclusion

At the end of the simulation, two- and three-dimensional contours related to pressure, velocity, velocity vectors, and streamlines are obtained. Also, based on Fluent’s calculated data, the air mass flow rate at the inlet equals 3.62019 kg/s.

series fan

A comparison between the pressure drops of the first and second fan shows that the pressure drops in the first fan have a higher value of 2 times more than the second fan. The pressure drop in the first and second fans equals 500 and 230 Pa, respectively.

Negative gauge pressure is observed downstream of both fans, where the pressure downstream of the first fan is five times less than the dual fan. Gauge pressure downstream of the first and second fan equals -500 and -100 Pa.

series fan

Based on the results obtained from the pressure drop values in both fans, the pressure drop in the first fan is higher, and the velocity magnitude downstream of the first fan has a higher value (28m/s) than the second fan (12m/s).


  1. Dortha Crona

    I noticed that the simulations use the MRF method. Can you explain why this method was chosen over others?

    • MR CFD Support

      The MRF (Multiple Reference Frame) method is a popular choice for simulating rotating machinery like fans. It simplifies the simulation by creating a stationary and a rotating zone, which makes it computationally efficient while still providing accurate results.

  2. Roderick Romaguera

    How accurate are these simulations in predicting the actual performance of the fans?

    • MR CFD Support

      Our simulations are based on well-validated models and methods, such as the MRF method. While no simulation can perfectly replicate reality, they can provide a very close approximation and valuable insights into the performance of the fans.

  3. Dr. Deborah Dicki IV

    Are there any limitations to these simulations?

    • MR CFD Support

      Like all simulations, ours have some limitations. For example, they assume steady-state conditions and use certain simplifications. However, they are still a powerful tool for predicting fan performance.

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