Coupled Transfer of Water and Heat in Red Soil：Experimnt and Numerical Modelling-中国期刊网

摘要 Coupledtransferofsoilwaterandheatinclosedcolumnsofhomogeneousredsoilwasstudiedunderlaboratoryconditions.Acoupledmodelwasconstructedusingsoilphysicaltheory,empiricalequationsandexperimentaldatatopredictthecoupledtransfer.Theresultsshowthattransportofsoilwaterwasaffectedbytemperaaturegradient,andthelargestnetwatertransportwasfoundinthesoilcolumnwithinitialwatercontentof0.148m^3m^-3,Atthesametime,temperaturechangeswiththetransportofsoilwaterwasinanonlinearshapeasheatparameterswrefunctionofwatercontent,andthechangesoftemperaturewerepositivelycorrelatedwiththenetamountofwatertransported.Numericalmodellingresultsshowthatthepredictedvaluesoftemperaturedistributionwereclosetotheobservedvalues,whilethepredictedvaluesofwatercontentexhibitedlimiteddeviationatbothendsofthesoilcolumnduetotheslighttemperaturechangesatbothends.ItWASindicatedthatthemodelproposedherewasapplicable.

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Coupled Transfer of Water and Heat in Red Soil：Experimnt and Numerical Modelling

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Coupled Transfer of Water and Heat in Red Soil：Experimnt and Numerical Modelling

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