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Titolo:
DISCRETE WELLBORE SIMULATIONS OF PUMP-AND-TREAT STRATEGIES FOR REMEDIATION OF LNAPL-CONTAMINATED AQUIFERS
Autore:
FORSYTH PA; SUDICKY EA;
Indirizzi:
UNIV WATERLOO,DEPT COMP SCI WATERLOO ON N2L 3G1 CANADA UNIV WATERLOO,DEPT EARTH SCI WATERLOO ON N2L 3G1 CANADA
Titolo Testata:
Journal of contaminant hydrology
fascicolo: 1-2, volume: 31, anno: 1998,
pagine: 57 - 81
SICI:
0169-7722(1998)31:1-2<57:DWSOPS>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
NAPL GROUNDWATER CONTAMINATION; BOUNDARY-CONDITIONS; TRANSPORT; SCHEMES; FLOW; SUBSURFACE; MODELS; MEDIA;
Keywords:
MULTI-NODE WELL; LNAPL; NONEQUILIBRIUM MULTIPHASE POROUS MEDIA FLOW;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
P.A. Forsyth e E.A. Sudicky, "DISCRETE WELLBORE SIMULATIONS OF PUMP-AND-TREAT STRATEGIES FOR REMEDIATION OF LNAPL-CONTAMINATED AQUIFERS", Journal of contaminant hydrology, 31(1-2), 1998, pp. 57-81

Abstract

The method for simulating wells screened over several computational nodes described in Wu et al. [Wu, Y., Forsyth, P., Jiang, H. (1996). A consistent approach for applying numerical boundary conditions for multiphase subsurface flow. J. Cent. Hyd., 23:157-184.] is applied to multiphase LNAPL remediation problems. Computational issues concerning modelling wellbore flow are discussed. Three-dimensional computations are presented using a multiphase, nonequilibrium mass transfer model, which show the effect of well placement and geometry on containment of the dissolved LNAPL plume and the dissolution of the NAPL phase. It is also shown that unless very small aqueous phase dispersion parameters are used, classical dispersion theory can produce unrealistic dispersion against the flow direction in the neighbourhood of a pumping well. Except in the long term, this may have implications regarding the prediction of near-field plume configuration and contaminant capture. (C) 1998 Elsevier Science B.V.

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Documento generato il 03/12/20 alle ore 12:02:00