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Plane-Symmetrical Simulation of Flow and Heat Transport in Fractured Geological Media: A Discrete Fracture Model with Comsol

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Multiphysical Testing of Soils and Shales

Part of the book series: Springer Series in Geomechanics and Geoengineering ((SSGG))

Abstract

Fractured geological formations are ubiquitous in geothermal reservoir and enhanced geothermal system. Because of the fast path formed by fractures and the multirate exchange between fracture and matrix, the system cannot be well modeled by single or multi-continuum models. Discrete fracture and matrix model can explicitly accounting for the geometry of fractrues and the contribution of each individual fracture to fluid flow and heat transport, and the exchange between fracture and matrix.In this paper a discrete fracture model is established and implemented in the commercial FEM software Comsol. The model is validated and then used to simulate a randomly generated fracture network to study the characteristic of flow and heat transport in fractured porous media.

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References

  • Barends, F.B.J.: Complete Solution for Transient Heat Transport in Porous Media, followingLauwerier’s concept. In: SPE Annual Technical Conference and Exhibition, Florence (2010)

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  • Martin, V., Jaffré, J., Roberts, J.: Modeling fractures and barriers as interfaces forflow in porous media. SIAM 26, 1667–1691 (2005)

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Author information

Authors and Affiliations

  1. Department of Civil Engineering, Tsinghua University, Beijing, China

    Biguang Chen, Erxiang Song & Xiaohui Cheng

Authors
  1. Biguang Chen
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  2. Erxiang Song
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  3. Xiaohui Cheng
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Editor information

Editors and Affiliations

  1. , GC D1 416 (Bâtiment GC), EPFL ENAC IIC LMS, Station 18, Lausanne, 1015, Switzerland

    Lyesse Laloui

  2. , GC D0 425 (Bâtiment GC), EPFL ENAC IIC LMS, Station 18, Lausanne, 1015, Switzerland

    Alessio Ferrari

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© 2013 Springer-Verlag Berlin Heidelberg

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Chen, B., Song, E., Cheng, X. (2013). Plane-Symmetrical Simulation of Flow and Heat Transport in Fractured Geological Media: A Discrete Fracture Model with Comsol. In: Laloui, L., Ferrari, A. (eds) Multiphysical Testing of Soils and Shales. Springer Series in Geomechanics and Geoengineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-32492-5_17

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  • DOI: https://doi.org/10.1007/978-3-642-32492-5_17

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-32491-8

  • Online ISBN: 978-3-642-32492-5

  • eBook Packages: EngineeringEngineering (R0)

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