Theoretical Analyses Of Nonaqueous Phase Liquid Dissolution Induced Instability In Two Dimensional Fluid Saturated Porous Media
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Physical and Chemical Dissolution Front Instability in Porous Media
Author | : Chongbin Zhao |
Publisher | : Springer |
Total Pages | : 363 |
Release | : 2014-07-18 |
Genre | : Science |
ISBN | : 3319084615 |
This monograph provides state-of-the-art theoretical and computational findings from investigations on physical and chemical dissolution front instability problems in porous media, based on the author’s own work. Although numerical results are provided to complement theoretical ones, the focus of this monograph is on the theoretical aspects of the topic and those presented in this book are applicable to a wide range of scientific and engineering problems involving the instability of nonlinear dynamic systems. To appeal to a wider readership, common mathematical notations are used to derive the theoretical solutions. The book can be used either as a useful textbook for postgraduate students or as a valuable reference book for computational scientists, mathematicians, engineers and geoscientists.
Study of Transport and Dissolution of a Nonaqueous Phase Liquid in Porous Media
Author | : Mirrya Mosier Fontenot |
Publisher | : |
Total Pages | : 252 |
Release | : 2001 |
Genre | : |
ISBN | : |
The transport and dissolution of residual non-aqueous phase liquids (NAPLS) trapped in water saturated porous media is a problem pertinent to both environmental and petrochemical industries. In this work we have quantitatively examined the complete dissolution of residual entrapped NAPL at the pore-scale in three dimensions using refractive index matching techniques along with planar laser induced fluorescence. The results yielded pore-scale information regarding ganglia volume, surface area, and position over time at various Capillary numbers. We found that with increasing Capillary numbers, the time for total dissolution decreased. In addition, it appears that large ganglia exhibit fractal area to volume scaling. We were also able to examine the distributions of the ganglia in the direction of flow over time. The use of low-frequency flow pulsations as a removal technique was also examined. A two dimensional micro model was used for these studies. We found that for this system, lower frequencies and higher amplitudes were more effective in NAPL removal due to breakup and mobilization. We also examined the effect of increasing amplitude and continuous versus pulsed stimulation. In addition, mass transport in the presence of a surfactant was also enhanced due to flow pulsation with lower frequencies and higher amplitudes again being most effective.
A Study of the Dissolution of Multicomponent Nonaqueous Phase Liquids in a Two-dimensional Flow Field and Model Development
Author | : Seth Jared Okeson |
Publisher | : |
Total Pages | : 338 |
Release | : 1995 |
Genre | : Dense nonaqueous phase liquids |
ISBN | : |
Dissolution of Nonaqueous Phase Liquids in Porous Media
Author | : Thomas Scott Soerens |
Publisher | : |
Total Pages | : 584 |
Release | : 1995 |
Genre | : Dense nonaqueous phase liquids |
ISBN | : |
Influence of Porous Media Heterogeneity on Nonaqueous Phase Liquid Dissolution Fingering and Upscaled Mass Transfer
Author | : Matthew W. Farthing |
Publisher | : |
Total Pages | : 20 |
Release | : 2012 |
Genre | : Dissolution (Chemistry) |
ISBN | : |
A Study of Dense Nonaqueous Phase Liquid Infiltration in Saturated Porous Media
Author | : Zeyad Said Abu-Hassanein |
Publisher | : |
Total Pages | : 0 |
Release | : 1997 |
Genre | : Carnegie Mellon University |
ISBN | : |