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Two-component desorption from anisotropic pore networks
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10.1063/1.2161216
/content/aip/journal/jcp/124/3/10.1063/1.2161216
http://aip.metastore.ingenta.com/content/aip/journal/jcp/124/3/10.1063/1.2161216
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Concentration profiles of the -type molecules (upper line) and -type molecules (lower line) after 100 time steps which have been determined under the assumption that the -type molecules have equal accessibility to the and channels and that the -type molecules are (i) completely forbidden to enter the channels (, first column) and are (ii) able to enter with probability (, third column) or (iii) enter the channels with the same probability as the channels (, fourth column). In addition to the isoline representation, in the case of also a spatial representation of the concentration profiles is given (second column).

Image of FIG. 2.
FIG. 2.

Concentration profiles of the -type molecules (upper line) and -type molecules (lower line) after 100 time steps for the symmetric case, where the MTC condition for and molecules is applied for both types of particles (i.e., ) rather than being totally abandoned for molecules in all cases. Both the -type molecules and the -type molecules are (i) completely forbidden to enter the other channels (, first column) and are (ii) able to enter with probability (third column) or (iii) enter the all channels with the same probability , (fourth column). In addition to the isoline representation, in the case of also a spatial representation of the concentration profiles is given (second column).

Image of FIG. 3.
FIG. 3.

The time dependence of the four relevant molecular fluxes, viz., of - and -type molecules out of the and channels , and , for after 100 time steps as a function of the probabilities for the jumps of the -type molecules into the channels.

Image of FIG. 4.
FIG. 4.

The total amounts desorbed , and as a function of the number of time steps elapsed after the onset of desorption for the same conditions, as considered in Fig. 3.

Image of FIG. 5.
FIG. 5.

The total amounts desorbed, , and , as a function of the number of time steps elapsed after the onset of desorption as a function of the probabilities .

Image of FIG. 6.
FIG. 6.

Intracrystalline mean lifetimes (in units of the time step duration ) determined for the desorption processes shown in Fig. 4 for the first 100 time steps as a function of the probabilities for the case .

Image of FIG. 7.
FIG. 7.

Intracrystalline mean lifetimes in the case , which corresponds to the situations shown in Fig. 5.

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/content/aip/journal/jcp/124/3/10.1063/1.2161216
2006-01-20
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Two-component desorption from anisotropic pore networks
http://aip.metastore.ingenta.com/content/aip/journal/jcp/124/3/10.1063/1.2161216
10.1063/1.2161216
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