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Ιδρυματικό Αποθετήριο [SANDBOX]
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| URI | http://purl.tuc.gr/dl/dias/89C39575-0A11-478F-B693-AB8B73A8390E | - |
| Αναγνωριστικό | https://doi.org/10.1023/A:1006655908240 | - |
| Γλώσσα | en | - |
| Μέγεθος | 21 pages | en |
| Τίτλος | Local mass transfer vorrelations for nonaqueous phase liquid pool dissolution in saturated porous media | en |
| Δημιουργός | Chrysikopoulos Constantinos | en |
| Δημιουργός | Χρυσικοπουλος Κωνσταντινος | el |
| Δημιουργός | Tae-Joo KIim | en |
| Περίληψη | Local mass transfer correlations are developed to describe the rate of interface mass transfer of single component nonaqueous phase liquid (NAPL) pools in saturated subsurface formations. A three-dimensional solute transport model is employed to compute local mass transfer coefficients from concentration gradients at the NAPL–water interface, assuming that the aqueous phase concentration along the NAPL–water interface is constant and equal to the solubility concentration. Furthermore, it is assumed that the porous medium is homogeneous, the interstitial fluid velocity steady and the dissolved solute may undergo first-order decay or may sorb under local equilibrium conditions. Power-law expressions relating the local Sherwood number to appropriate local Peclet numbers are developed for both rectangular and elliptic/circular source geometries. The proposed power law correlations are fitted to numerically generated data and the correlation coefficients are determined using nonlinear least squares regression. The estimated correlation coefficients are found to be direct functions of the interstitial fluid velocity, pool dimensions, and pool geometry. | en |
| Τύπος | Peer-Reviewed Journal Publication | en |
| Τύπος | Δημοσίευση σε Περιοδικό με Κριτές | el |
| Άδεια Χρήσης | http://creativecommons.org/licenses/by/4.0/ | en |
| Ημερομηνία | 2015-09-19 | - |
| Ημερομηνία Δημοσίευσης | 1999 | - |
| Θεματική Κατηγορία | Formulation of Mass Transfer Correlations | en |
| Βιβλιογραφική Αναφορά | C. V. Chrysikopoulos,T.J. Kim, "Local mass transfer correlations for nonaqueous phase liquid pool dissolution insSaturated porous media",Transp. in Por. Media.,vol. 38 ,no.1 ,pp.167–187, 2000.doi :10.1023/A:1006655908240 | en |
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