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过程工程学报 2001
ExperimentalInvestigationofPressureDropHysteresisinaCocurrentGas？LiquidUpflowPackedBedKeywords: gas/liquid/solidpackedcolumn,cocurrentupflow,pressuredrophysteresis,experimentalinvestigation Abstract: Extensiveexperimentalworkonhysteresisinacocurrentgas？liquidupflowpackedbedwascarriedoutwiththreekindsofpackingsandtheair？watersystem.However,onlywhenpackedwithsmallglassbeads(f1.4mm)wasthebedpressuredrophysteresisobserved.Twomoreliquidswithdifferentliquidpropertieswereemployedtofurtherexaminetheinfluenceofparametersonpressuredrophysteresis.Thesimilarityofpressuredrophysteresisinpackedbedswasconcludedincombinationofexperimentalevidencereportedinliterature.
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