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The effect of interface movement and viscosity variation on the stability of a diffusive interface between aqueous and gaseous CO2
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10.1063/1.4813072
/content/aip/journal/pof2/25/7/10.1063/1.4813072
http://aip.metastore.ingenta.com/content/aip/journal/pof2/25/7/10.1063/1.4813072

Figures

Image of FIG. 1.
FIG. 1.

Transfer and the role of interface movement.

Image of FIG. 2.
FIG. 2.

Geometry of the system.

Image of FIG. 3.
FIG. 3.

The base state (η) for = 4, where .

Image of FIG. 4.
FIG. 4.

The eigenfunctions Φ, Φ′ (left) for .

Image of FIG. 5.
FIG. 5.

The eigenfunctions ψ, ψ′ (right) for .

Image of FIG. 6.
FIG. 6.

Dispersion relations for = 4.

Image of FIG. 7.
FIG. 7.

Maximal values of as a function of for various choices of and .

Tables

Generic image for table
Table I.

Dependence of = ε and of the critical wavenumber on the parameters , where is a measure of the interface movement, i.e., and , where the dimensionless viscosity is μ = 1 + . The error estimates are inferred from Fig. 6 as the maximum and minimal wavenumber at zero growth rate and from Fig. 7 as the critical also at zero maximum growth rate using visual inspection of the actual data. The values in the first two columns are based on typical field parameters, i.e., a reservoir at 2200 m depth with a temperature of 76 °C, a project time of 10 years, a interface movement of 4.7 m, and a correlation for viscosity for a 2 M salt solution at reservoir temperature. The other columns are representative for our laboratory experiments (see Sec. V ).

Generic image for table
Table II.

Summary of physical input parameters and variables.

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/content/aip/journal/pof2/25/7/10.1063/1.4813072
2013-07-17
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The effect of interface movement and viscosity variation on the stability of a diffusive interface between aqueous and gaseous CO2
http://aip.metastore.ingenta.com/content/aip/journal/pof2/25/7/10.1063/1.4813072
10.1063/1.4813072
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