Effects of hot intrusions on pore-fluid flow and heat transfer in fluid-saturated rocks

Zhao, CB, Lin, G, Hobbs, BE, Ord, A, Wang, YJ and Muhlhaus, HB (2003) Effects of hot intrusions on pore-fluid flow and heat transfer in fluid-saturated rocks. Computer Methods In Applied Mechanics And Engineering, 192 16-18: 2007-2030.


Author Zhao, CB
Lin, G
Hobbs, BE
Ord, A
Wang, YJ
Muhlhaus, HB
Title Effects of hot intrusions on pore-fluid flow and heat transfer in fluid-saturated rocks
Journal name Computer Methods In Applied Mechanics And Engineering  (ERA 2012 Listed)    (ERA 2010 Rank A*)   Check publisher's open access policy
Publication date 2003
Sub-type Article
DOI 10.1016/S0045-7825(03)00215-9
Volume number 192
Issue number 16-18
ISSN 0045-7825
Start page 2007
End page 2030
Total pages 24
Place of publication Lausanne
Publisher Elsevier Science Sa
Language eng
Abstract We use the finite element method to solve coupled problems between pore-fluid flow and heat transfer in fluid-saturated porous rocks. In particular, we investigate the effects of both the hot pluton intrusion and topographically driven horizontal flow on the distributions of the pore-flow velocity and temperature in large-scale hydrothermal systems. Since general mineralization patterns are strongly dependent on distributions of both the pore-fluid velocity and temperature fields, the modern mineralization theory has been used to predict the general mineralization patterns in several realistic hydrothermal systems. The related numerical results have demonstrated that: (1) The existence of a hot intrusion can cause an increase in the maximum value of the pore-fluid velocity in the hydrothermal system. (2) The permeability of an intruded pluton is one of the sensitive parameters to control the pore-fluid flow, heat transfer and ore body formation in hydrothermal systems. (3) The maximum value of the pore-fluid velocity increases when the bottom temperature of the hydrothermal system is increased. (4) The topographically driven flow has significant effects on the pore-fluid flow, temperature distribution and precipitation pattern of minerals in hydrothermal systems. (5) The size of the computational domain may have some effects on the pore-fluid flow and heat transfer, indicating that the size of a hydrothermal system may affect the pore-fluid flow and heat transfer within the system. (C) 2003 Elsevier Science B.V. All rights reserved.
Keyword Mathematics, Interdisciplinary Applications
Engineering, Multidisciplinary
Mechanics
Finite Element Modelling
Hot Intrusions
Porous Rocks
Pore-fluid Flow
Heat Transfer
Hydrothermal Systems
Transient Infinite Elements
Porous-media
Mineralization
Transport
Basins
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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Created: Mon, 13 Aug 2007, 13:33:21 EST