简介：Theflowbetweentwocoaxialconicalcylindersisnumericallystudiedfortwodifferentconfigurations,withtheinnerconerotatingandtheouteroneatrest.Itisfoundthat,inoneconfiguration,atleastatasmallReynoldsnumber(Re),thepressureisadecreasingfunctionofzwhileintheotherconfiguration,itisanincreasingfunctionofz.Inthefirstconfiguration,thepressurecurvesfordifferentRehaveintersections,whileinthesecondconfigurationtheydonot.ThegapbetweentwoconicalcylindersisfilledwithsixpairsofTaylorvorticesataboutthesameReynoldsnumberandineachpairofvorticesinthefirstconfiguration,theuppervortexislargerthanthebottomonewhileinthesecondconfiguration,thebottomvortexislargerthantheupperone.