Influence of Orifice Position Deviations on Distribution Performance of Gravity-Type Liquid Distributor Analyzed Through Mathematical Pathway-中国期刊网

摘要 Thedistributionperformanceofthegravity-typeliquiddistributor(GTLD)significantlyaffectscolumnoperationefficiencyandtheconsequentproductquality.Inindustrialsettings,maldistributionisnormallyconsideredtobecausedbyverticalpositionalorcoplanarityerrorsstemmingfromdeflectionsassociatedwithmanufactureandinstallation,orevenbyexcessiveweight.Thelackofestimationprotocolsorstandardsimpedesthedescriptionofthiserror,whichinfluencesthecorrespondingoutflowrates.Giventhissituation,thepaperproposesalumpedparameter,orificepositiondeviation(OPD),tofacilitatethecalculationoftherelativedischargerateerror(RDRE)basedonaformuladerivation,whichallowsthesystematicanalysisoftheinfluenceofasingleorificeorweirOPD.ThepaperintroducesasensitivityfactorKasaconciseandunifiedexpressionintheoreticalRDREsforcalibratingtheinfluenceofOPDontheRDREsofgeometricallydifferentorificesandweirs.WithrespecttotheGTLD,alargerKindicatestheneedformorestrictOPDrequirements.ThepaperverifiesthattheextentofGTLDoutflownonuniformityisassociatedwithdivergingtendenciesregardingitsmorphology,especiallyintheorificeandweir,whichcanbedeterminedusingourproposedprocedures.

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Influence of Orifice Position Deviations on Distribution Performance of Gravity-Type Liquid Distributor Analyzed Through Mathematical Pathway

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Influence of Orifice Position Deviations on Distribution Performance of Gravity-Type Liquid Distributor Analyzed Through Mathematical Pathway

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