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Fluid Mixing in Multiphase and Hydro...

Amooie, Mohammad Amin.

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Fluid Mixing in Multiphase and Hydrodynamically Unstable Porous-Media Flows.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Fluid Mixing in Multiphase and Hydrodynamically Unstable Porous-Media Flows./
Author:	Amooie, Mohammad Amin.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
Description:	222 p.
Notes:	Source: Dissertations Abstracts International, Volume: 80-06, Section: B.
Contained By:	Dissertations Abstracts International80-06B.
Subject:	Geology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=11011057
ISBN:	9780438649149

Fluid Mixing in Multiphase and Hydrodynamically Unstable Porous-Media Flows.
Amooie, Mohammad Amin.

Fluid Mixing in Multiphase and Hydrodynamically Unstable Porous-Media Flows. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 222 p.

Source: Dissertations Abstracts International, Volume: 80-06, Section: B.

Thesis (Ph.D.)--The Ohio State University, 2018.

This item must not be sold to any third party vendors.

Viscous and gravitational fingering refer to pattern-forming hydrodynamic instabilities, which are respectively triggered by adverse mobility or density ratios. Complex interplays between fluid mixing processes and these flow heterogeneities in porous media have been addressed only recently, but for simplified systems of incompressible, two-component, miscible single- or immiscible two-phase flow and with linear phase behavior characteristics. However, many earth and environmental processes such as geological carbon sequestration, enhanced oil recovery, and contaminant fate and transport in soil and groundwater involve nonlinear thermodynamic phase behavior and strong species exchange within partially miscible multiphase systems. In this Thesis, we present a detailed study of anomalous mixing and spreading dynamics in presence of viscous and gravitational fingering, for the first time, in compressible, single- and multi-phase, multicomponent compositional flows. We perform thermodynamically consistent, accurate numerical simulations to capture fingering patterns and complex phase behavior of mixtures. We investigate the implications of different miscibility levels, boundary conditions, dimensionality of problem, and physical heterogeneity of medium. Universal scaling relations for spreading and mixing rate are also presented. The results of these studies provide a broad perspective into how compositional flow can alter fluid mixing dynamics in porous media, particularly in the contexts of carbon sequestration and geophysical fluid dynamics.

ISBN: 9780438649149Subjects--Topical Terms:

516570
Geology.

Fluid Mixing in Multiphase and Hydrodynamically Unstable Porous-Media Flows.
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245 1 0 $a Fluid Mixing in Multiphase and Hydrodynamically Unstable Porous-Media Flows.
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300 $a 222 p.
500 $a Source: Dissertations Abstracts International, Volume: 80-06, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Moortgat, Joachim.
502 $a Thesis (Ph.D.)--The Ohio State University, 2018.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a Viscous and gravitational fingering refer to pattern-forming hydrodynamic instabilities, which are respectively triggered by adverse mobility or density ratios. Complex interplays between fluid mixing processes and these flow heterogeneities in porous media have been addressed only recently, but for simplified systems of incompressible, two-component, miscible single- or immiscible two-phase flow and with linear phase behavior characteristics. However, many earth and environmental processes such as geological carbon sequestration, enhanced oil recovery, and contaminant fate and transport in soil and groundwater involve nonlinear thermodynamic phase behavior and strong species exchange within partially miscible multiphase systems. In this Thesis, we present a detailed study of anomalous mixing and spreading dynamics in presence of viscous and gravitational fingering, for the first time, in compressible, single- and multi-phase, multicomponent compositional flows. We perform thermodynamically consistent, accurate numerical simulations to capture fingering patterns and complex phase behavior of mixtures. We investigate the implications of different miscibility levels, boundary conditions, dimensionality of problem, and physical heterogeneity of medium. Universal scaling relations for spreading and mixing rate are also presented. The results of these studies provide a broad perspective into how compositional flow can alter fluid mixing dynamics in porous media, particularly in the contexts of carbon sequestration and geophysical fluid dynamics.
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