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Acceleration of Gas Flow Simulations in Dual-Continuum Porous Media Based on the Mass-Conservation POD Method

Author

Listed:
  • Yi Wang

    (National Engineering Laboratory for Pipeline Safety, China University of Petroleum, Beijing 102249, China
    MOE Key Laboratory of Petroleum Engineering, China University of Petroleum, Beijing 102249, China
    Beijing Key Laboratory of Urban Oil and Gas Distribution Technology, China University of Petroleum, Beijing 102249, China
    Key Laboratory of Thermo-Fluid Science and Engineering, Xi’an Jiaotong University, Ministry of Education, Xi’an 710049, China)

  • Shuyu Sun

    (Computational Transport Phenomena Laboratory, Division of Physical Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia)

  • Bo Yu

    (School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China)

Abstract

Reduced-order modeling approaches for gas flow in dual-porosity dual-permeability porous media are studied based on the proper orthogonal decomposition (POD) method combined with Galerkin projection. The typical modeling approach for non-porous-medium liquid flow problems is not appropriate for this compressible gas flow in a dual-continuum porous media. The reason is that non-zero mass transfer for the dual-continuum system can be generated artificially via the typical POD projection, violating the mass-conservation nature and causing the failure of the POD modeling. A new POD modeling approach is proposed considering the mass conservation of the whole matrix fracture system. Computation can be accelerated as much as 720 times with high precision (reconstruction errors as slow as 7.69 × 10 −4 %~3.87% for the matrix and 8.27 × 10 −4 %~2.84% for the fracture).

Suggested Citation

  • Yi Wang & Shuyu Sun & Bo Yu, 2017. "Acceleration of Gas Flow Simulations in Dual-Continuum Porous Media Based on the Mass-Conservation POD Method," Energies, MDPI, vol. 10(9), pages 1-17, September.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:9:p:1380-:d:111660
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    Cited by:

    1. Kumar, Navneet & Arakeri, Jaywant H., 2020. "Mimicking some features of a root-soil system by dual porosity media," Agricultural Water Management, Elsevier, vol. 227(C).
    2. Rong Guo & Rennian Li & Renhui Zhang, 2018. "Reconstruction and Prediction of Flow Field Fluctuation Intensity and Flow-Induced Noise in Impeller Domain of Jet Centrifugal Pump Using Gappy POD Method," Energies, MDPI, vol. 12(1), pages 1-17, December.

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