ANALYTICAL AND APPROXIMATE SOLUTION FOR SPHERICAL SYMMETRY DISPERSIVE TRANSPORT IN POROUS MEDIA-中国期刊网

摘要 Sphericalsymmetryconvective-dispersivetransportofatracerorcontaminantfromcontinueandsluginjectionwellinsemi-infiniteporousmediaisofsignificance,especiallyforthetracertestinhugethickformation.Thepartialequationdescribingthetransportprocessbelongstoconfluenthypergeometricequation.WithvariablesubstitutionandLaplacetransform,thepartialequationmaybecovertedWeberequationandit’ssolutionisrepresentedbyparaboliccylinderfunction.Wefoundtheanalyticalsolutionbyanalyticalinversion.Besides,wealsoobtainedtheearly-timeandlate-timeapproximatesolution.Inthepaperwecomparedthesesolutionsandinvestigatedthebasiccharacteristicsofconcentrationdistributionandchange.Inearly-timeandlate-timetheapproximatesolutionisofsignificance.

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ANALYTICAL AND APPROXIMATE SOLUTION FOR SPHERICAL SYMMETRY DISPERSIVE TRANSPORT IN POROUS MEDIA

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ANALYTICAL AND APPROXIMATE SOLUTION FOR SPHERICAL SYMMETRY DISPERSIVE TRANSPORT IN POROUS MEDIA

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