Experimental and numerical analysis of hydrothermal channel flow through a tensile fracture in granite

Research output: Contribution to journalConference article

4 Citations (Scopus)

Abstract

In crystalline rocks, fracture networks control fluid flow (i.e. rock permeability). Inhomogeneous distribution of fracture aperture width due to natural fracture topology may produce inhomogeneous fluid flow (channel flow). Hydrothermal experiments for a tensile fracture in granite indicate that the effect of aperture width distribution and any inhomogeneity is pronounced. Numerical simulation for 2-D fluid flow through a facture shows that inhomogeneity of fluid flow may be enhanced, and promote fluid channels within the rock.

Original languageEnglish
Pages (from-to)743-746
Number of pages4
JournalTransactions - Geothermal Resources Council
Volume27
Publication statusPublished - 2003 Dec 1
EventInternational Collaboration for Geothermal Energy in the Americas - Geothermal Resources Counsil: 2003 Annual Meeting - Morelia, Michoacan, Mexico
Duration: 2003 Oct 122003 Oct 15

Keywords

  • Aperture width
  • Channel flow
  • Hydrothermal system
  • Surface topology
  • Tensile fracture

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Geophysics

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