Mixture Transport In Porous Using UDF CFD Simulation, ANSYS Fluent Training

  • Upon ordering this product, you will be provided with a geometry file, a mesh file, and an in-depth Training Video that offers a step-by-step training on the simulation process.
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Description

Transporting mixtures in porous media with location-dependent permeability is complex due to the porous structure’s spatial variability. Permeability, which measures the medium’s ability to transmit fluids, varies across the domain, affecting fluid flow and solute transport. Understanding this spatial variability is crucial for accurate predictions in groundwater contamination, oil reservoir management, and environmental engineering. This is our ultimate target in the present CFD study.

 

Simulation Process

A discretized rectangular channel establishes our computational domain, making out of structured grid. The mixture of oil and water plays the main role in which Mixture multiphase model is required. As the title suggests, the porous medium features from location-dependent permeability, known as Viscous Resistance in ANSYS Fluent. Thus, a specific user-defined function (UDF) is written, aiming to apply it. The permeability is governed by the following relation:

permeability is governed by the following relation

Post-processing

The simulation results show that there are different patterns in velocity and oil distribution within the channel and porous medium. The velocity is much faster in the middle of the channel, indicating that most of the flow happens in the central region. On the other hand, the movement is slower near the side walls where the oil first enters the system. As the oil moves towards the outlet, the oil layer becomes thicker. This thickening happens because of the combination of the permeability function in the center and the gradual accumulation of oil from the slower-moving outer areas. As a result, the oil becomes more concentrated as it moves through the outlet, showing how the variations in velocity affect the movement of oil in the porous medium.

FAQ

We pride ourselves on presenting unique products at CFDLAND. We stand out for our scientific rigor and validity. Our products are not based on guesswork or theoretical assumptions like many others. Instead, most of our products are validated using experimental or numerical data from valued scientific journals. Even if direct validation isn’t possible, we build our models and assumptions on the latest research, typically using reference articles to approximate reality.

Yes, we’ll be here . If you have trouble loading files, having technical problems, or have any questions about how to use our products, our technical support team is here to help.

You can load geometry and mesh files, as well as case and data files, using any version of ANSYS Fluent.

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