Numerical Simulation of Flow Fields in Porous Media Based on the 3D CFD-DEM

REN Shi-lei; HAN Fei-peng; XIE Bin; HUANG Bo; HAO Peng-fei

doi:10.21656/1000-0887.370326

Volume 38 Issue 10

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Article Navigation > Applied Mathematics and Mechanics > 2017 > 38(10): 1093-1102

REN Shi-lei, HAN Fei-peng, XIE Bin, HUANG Bo, HAO Peng-fei. Numerical Simulation of Flow Fields in Porous Media Based on the 3D CFD-DEM[J]. Applied Mathematics and Mechanics, 2017, 38(10): 1093-1102. doi: 10.21656/1000-0887.370326

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Numerical Simulation of Flow Fields in Porous Media Based on the 3D CFD-DEM

doi: 10.21656/1000-0887.370326

¹Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, P.R.China;²Engineering Institute of Xinjiang Oilfield, PetroChina Co. Ltd., Karamay, Xinjiang 834000, P.R.China;³School of Aerospace Engineering, Tsinghua University, Beijing 100084, P.R.China

Funds: The National Basic Research Program of China (973 Program)(2014CB046506;2014CB046803);The National Natural Science Foundation of China(11372061;11402049;11602076)

Received Date: 2016-10-24
Rev Recd Date: 2017-09-04
Publish Date: 2017-10-15

Abstract

Abstract

In numerical simulation the microscopic flow in porous media was combined with the macroscopic porous media model based on the Darcy law. The 3D CFD-DEM was applied to the microstructure of porous media to figure out the inertial resistance and the viscous resistance. Then, the resistances obtained with the CFD-DEM were introduced in the porous media model based on the Darcy law. The Voronoi polyhedron was used in mesh generation, so the porosity of each mesh cell was calculated precisely. In this way, larger-scale fluid fields in porous media can be computed efficiently. For engineering applications, the proposed method balances between accuracy and efficiency of multi-scale methods, effectively saving the experiment cost and improving the computation reliability.
- porous medium,
- Darcy law,
- DEM,
- numerical simulation,
- multi-scale

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References(22)

References

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