Lattice Solid/Boltzmann Microscopic Model to Simulate Solid/Fluid Systems—A Tool to Study Creation of Fluid Flow Networks for Viable Deep Geothermal Energy

Peter Mora; Yucang Wang; Fernando Alonso-Marroquin

doi:10.1007/s12583-015-0516-0

Volume 26 Issue 1

Feb 2015

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Journal of Earth Science > 2015 > 26(1): 11-19.

Peter Mora, Yucang Wang, Fernando Alonso-Marroquin. Lattice Solid/Boltzmann Microscopic Model to Simulate Solid/Fluid Systems—A Tool to Study Creation of Fluid Flow Networks for Viable Deep Geothermal Energy. Journal of Earth Science, 2015, 26(1): 11-19. doi: 10.1007/s12583-015-0516-0

Citation:

Peter Mora, Yucang Wang, Fernando Alonso-Marroquin. Lattice Solid/Boltzmann Microscopic Model to Simulate Solid/Fluid Systems—A Tool to Study Creation of Fluid Flow Networks for Viable Deep Geothermal Energy. Journal of Earth Science, 2015, 26(1): 11-19. doi: 10.1007/s12583-015-0516-0

Citation:

Peter Mora, Yucang Wang, Fernando Alonso-Marroquin. Lattice Solid/Boltzmann Microscopic Model to Simulate Solid/Fluid Systems—A Tool to Study Creation of Fluid Flow Networks for Viable Deep Geothermal Energy. Journal of Earth Science, 2015, 26(1): 11-19. doi: 10.1007/s12583-015-0516-0

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Lattice Solid/Boltzmann Microscopic Model to Simulate Solid/Fluid Systems—A Tool to Study Creation of Fluid Flow Networks for Viable Deep Geothermal Energy

doi: 10.1007/s12583-015-0516-0

1.
MCM Global, Toowong, Brisbane, Australia
2.
Earth Science and Resource Engineering, CSIRO, Kenmore Qld, 4069, Brisbane, Australia
3.
School of Civil Engineering, The University of Sydney, Sydney, NSW, 2006, Australia

More Information

Corresponding author: Peter Mora, wolop2008@gmail.com
Received Date: 16 Jun 2014
Accepted Date: 27 Oct 2014
Publish Date: 01 Feb 2015

Abstract

Abstract

Realizing the potential of geothermal energy as a cheap, green, sustainable resource to provide for the planet's future energy demands that a key geophysical problem be solved first: how to develop and maintain a network of multiple fluid flow pathways for the time required to deplete the heat within a given region. We present the key components for micro-scale particle-based numerical modeling of hydraulic fracture, and fluid and heat flow in geothermal reservoirs. They are based on the latest developments of ESyS-Particle—the coupling of the lattice solid model (LSM) to simulate the nonlinear dynamics of complex solids with the lattice Boltzmann method (LBM) applied to the nonlinear dynamics of coupled fluid and heat flow in the complex solid-fluid system. The coupled LSM/LBM can be used to simulate development of fracture systems in discontinuous media, elastic stress release, fluid injection and the consequent slip at joint surfaces, and hydraulic fracturing; heat exchange between hot rocks and water within flow pathways created through hydraulic fracturing; and fluid flow through complex, narrow, compact and gouge-or powder-filled fracture and joint systems. We demonstrate the coupled LSM/LBM to simulate the fundamental processes listed above, which are all components for the generation and sustainability of the hot-fractured rock geothermal energy fracture systems required to exploit this new green-energy resource.

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References(37)

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