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Title: A study of multiphase flow in fractured porous media using a microscale lattice Boltzmann approach

Abstract

The lattice Boltzmann technique has been shown to be an efficient and reliable approach to modeling single- and multi-fluid flow in porous media systems. The flexibility of this approach in discretizing the pore/solid space means it is particularly well suited to capturing fluid behavior, fluid-fluid interactions, and fluid-solid interactions at the scale of the individual pores. Such flexibility readily lends itself to studying processes occurring at physical interfaces, such as between a fracture and the surrounding porous matrix. Here we present pore-level simulations of fluid flow through a fracture embedded in an unsaturated matrix. Simulations are run on the massively parallel Connection Machine 5 (CM-5) using the two-fluid, two-dimensional lattice Boltzmann flow simulator developed at Los Alamos National Laboratory. We look at the effect of pressure gradients and initial matrix saturation on infiltration into the matrix and fluid flow along the fracture.

Authors:
; ;  [1];  [2]
  1. Los Alamos National Lab., NM (United States)
  2. EG and G Idaho, Inc., Idaho Falls, ID (United States)
Publication Date:
Research Org.:
Los Alamos National Lab., NM (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
10120589
Report Number(s):
LA-UR-94-418; CONF-940742-1
ON: DE94006164
DOE Contract Number:  
W-7405-ENG-36
Resource Type:
Conference
Resource Relation:
Conference: Computational methods in water resources,Heidelberg (Germany),19-22 Jul 1994; Other Information: PBD: [1994]
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; 54 ENVIRONMENTAL SCIENCES; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; MULTIPHASE FLOW; COMPUTER CALCULATIONS; FRACTURED RESERVOIRS; ROCK-FLUID INTERACTIONS; PARALLEL PROCESSING; BOLTZMANN STATISTICS; HYDROLOGY; GROUND WATER; LANL; 580000; 540210; 990200; GEOSCIENCES; BASIC STUDIES; MATHEMATICS AND COMPUTERS

Citation Formats

Soll, W.E., Eggert, K.E., Grunau, D.W., and Schafer-Perini, A.L. A study of multiphase flow in fractured porous media using a microscale lattice Boltzmann approach. United States: N. p., 1994. Web.
Soll, W.E., Eggert, K.E., Grunau, D.W., & Schafer-Perini, A.L. A study of multiphase flow in fractured porous media using a microscale lattice Boltzmann approach. United States.
Soll, W.E., Eggert, K.E., Grunau, D.W., and Schafer-Perini, A.L. Tue . "A study of multiphase flow in fractured porous media using a microscale lattice Boltzmann approach". United States. https://www.osti.gov/servlets/purl/10120589.
@article{osti_10120589,
title = {A study of multiphase flow in fractured porous media using a microscale lattice Boltzmann approach},
author = {Soll, W.E. and Eggert, K.E. and Grunau, D.W. and Schafer-Perini, A.L.},
abstractNote = {The lattice Boltzmann technique has been shown to be an efficient and reliable approach to modeling single- and multi-fluid flow in porous media systems. The flexibility of this approach in discretizing the pore/solid space means it is particularly well suited to capturing fluid behavior, fluid-fluid interactions, and fluid-solid interactions at the scale of the individual pores. Such flexibility readily lends itself to studying processes occurring at physical interfaces, such as between a fracture and the surrounding porous matrix. Here we present pore-level simulations of fluid flow through a fracture embedded in an unsaturated matrix. Simulations are run on the massively parallel Connection Machine 5 (CM-5) using the two-fluid, two-dimensional lattice Boltzmann flow simulator developed at Los Alamos National Laboratory. We look at the effect of pressure gradients and initial matrix saturation on infiltration into the matrix and fluid flow along the fracture.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1994},
month = {2}
}

Conference:
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