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Trapping of the non-wetting phase in an interacting triangular tube bundle model

To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.ces.2010.10.009 Byline: Jinxun Wang, Mingzhe Dong Keywords: Porous media; Multiphase flow; Dynamic simulation; Modeling; Imbibition; Trapping Abstract: An interacting triangular tube bundle model is developed... Full description

Journal Title: Chemical Engineering Science Feb 1, 2011, Vol.66(3), p.250(10)
Main Author: Wang, Jinxun
Other Authors: Dong, Mingzhe
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0009-2509
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title: Trapping of the non-wetting phase in an interacting triangular tube bundle model
format: Article
creator:
  • Wang, Jinxun
  • Dong, Mingzhe
subjects:
  • Computer Simulation -- Models
  • Computer Simulation -- Analysis
  • Flow (Dynamics) -- Models
  • Flow (Dynamics) -- Analysis
ispartof: Chemical Engineering Science, Feb 1, 2011, Vol.66(3), p.250(10)
description: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.ces.2010.10.009 Byline: Jinxun Wang, Mingzhe Dong Keywords: Porous media; Multiphase flow; Dynamic simulation; Modeling; Imbibition; Trapping Abstract: An interacting triangular tube bundle model is developed using capillaries of equilateral triangle cross sections. In addition to pressure equilibration among the capillaries, the non-circular tubes allow the wetting phase to reside in the corners and flow continuously in the entire model. An interacting-serial type model is constructed with step changes of tube size along the model, while the total cross-section of the model is kept constant. This model includes trapping of oil which is absent in traditional tube bundle models. Trapping of non-wetting phase in the model in imbibition processes is simulated. The relationship between the residual oil saturation and the complete capillary number CA is investigated. The simulation results obtained by this model are consistent with the results reported in literature of both experimental studies, using actual porous media, and simulations in pore-scale network models. The effects of the tube size, tube size distribution and viscosity ratio on the magnitude of entrapment are also studied using this tube bundle model. Author Affiliation: Department of Chemical and Petroleum Engineering, University of Calgary, Calgary, AB, Canada T2N 1N4 Article History: Received 17 October 2009; Revised 27 September 2010; Accepted 6 October 2010
language: English
source:
identifier: ISSN: 0009-2509
fulltext: no_fulltext
issn:
  • 0009-2509
  • 00092509
url: Link


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descriptionTo link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.ces.2010.10.009 Byline: Jinxun Wang, Mingzhe Dong Keywords: Porous media; Multiphase flow; Dynamic simulation; Modeling; Imbibition; Trapping Abstract: An interacting triangular tube bundle model is developed using capillaries of equilateral triangle cross sections. In addition to pressure equilibration among the capillaries, the non-circular tubes allow the wetting phase to reside in the corners and flow continuously in the entire model. An interacting-serial type model is constructed with step changes of tube size along the model, while the total cross-section of the model is kept constant. This model includes trapping of oil which is absent in traditional tube bundle models. Trapping of non-wetting phase in the model in imbibition processes is simulated. The relationship between the residual oil saturation and the complete capillary number CA is investigated. The simulation results obtained by this model are consistent with the results reported in literature of both experimental studies, using actual porous media, and simulations in pore-scale network models. The effects of the tube size, tube size distribution and viscosity ratio on the magnitude of entrapment are also studied using this tube bundle model. Author Affiliation: Department of Chemical and Petroleum Engineering, University of Calgary, Calgary, AB, Canada T2N 1N4 Article History: Received 17 October 2009; Revised 27 September 2010; Accepted 6 October 2010
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abstractTo link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.ces.2010.10.009 Byline: Jinxun Wang, Mingzhe Dong Keywords: Porous media; Multiphase flow; Dynamic simulation; Modeling; Imbibition; Trapping Abstract: An interacting triangular tube bundle model is developed using capillaries of equilateral triangle cross sections. In addition to pressure equilibration among the capillaries, the non-circular tubes allow the wetting phase to reside in the corners and flow continuously in the entire model. An interacting-serial type model is constructed with step changes of tube size along the model, while the total cross-section of the model is kept constant. This model includes trapping of oil which is absent in traditional tube bundle models. Trapping of non-wetting phase in the model in imbibition processes is simulated. The relationship between the residual oil saturation and the complete capillary number CA is investigated. The simulation results obtained by this model are consistent with the results reported in literature of both experimental studies, using actual porous media, and simulations in pore-scale network models. The effects of the tube size, tube size distribution and viscosity ratio on the magnitude of entrapment are also studied using this tube bundle model. Author Affiliation: Department of Chemical and Petroleum Engineering, University of Calgary, Calgary, AB, Canada T2N 1N4 Article History: Received 17 October 2009; Revised 27 September 2010; Accepted 6 October 2010
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