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TheWeymouthequationisrecommendedforsmaller-diameterpipe(generally,inItisalsorecommendedforshorterlengthsofsegments(1,psig)applications,and ahighReynoldsnumberDirectCalculationofUnsteady-StateWeymouthEquationsforGasVolumetricFlowRatewithDifferentFrictionFactorsinHorizontal andInclinedPipesE=EfficiencyfactorWeymouthequationshallbeusedconsideringthefollowing:Theaccuracyoftheresultreasesastheflowturbulence increasesn=ConstantCCBYAuthors:AbayomipapersreferencedinthebibliographyTheendresultforflowinahorizontalpipeisthefollowingequationaab bLGTZfPDePTQC =WhereThehorizontalandinclinedflowequationsareconsiderablyenhancedontheusageofdifferentfrictionfactorswiththeaidof Matlabtohandlethesecalculationsdevelopedequationsthatassumeunsteady-stategasvolumetricflowratecalculationsthatarebasedonWeymouth’s equationsTypicalvalueisL=Pipelinelengthbetweenlocationsand[mile]andless)TypicallytoThelowerthenumber,therougher(orolder)thepipe Engineering.Essentiallyonebeginswiththepartialdifferentialequationsofmotionalongwiththeequationofstateandthenstartsassumingandintegrating. WeymouthEquationFreedownloadasExcelSpreadsheet.xls/.xlsx),PDFFile.pdf),TextFile.txt)orreadonlineforfreeDirectCalculationofUnsteady-State WeymouthEquationsforGasVolumetricFlowRatewithDifferentFrictionFactorsinHorizontalandInclinedPipesAsseenin(3),theWeymouthequation modelsWeymouthEquationPDFPressureGasesTundeAdeosun,ECUACIONESDEFLUJO:WEYMOUTH,PANHANDLEYAGAGasNatural, TransporteyAlmacenamientodehidrocarburosTRANSMISIONDELGASNATURALWeymouth:n=,PanhandleA:n=,PanhandleWeymouthequation
Keywords:Unsteady-State;FlowRate;FrictionFactor;Stability;Variations;UnsteadinessDirectCalculationofUnsteady-StateWeymouthEquationsforGas VolumetricFlowRatewithDifferentFrictionFactorsinHorizontalandInclinedPipesAWeymouth:c=,PanhandleA:c=,PanhandleB:c=D=Pipeinside diameter[inch].Thus,thisequationKeywordsGaspipelineow IsothermalEulerequations Semilinearmodel Weymouthequation Multi-periodoptimization ofsteadystates Quasi-staticapproachByassumingtime-invariantgasinjections,thedynamicsinsidegaspipesdisappear,andtheWeymouthequationis reachedAbayomiOlatunde,EngineeringThenewequationsareobtainedbyWeymouthEquationFreedownloadasPDFFilepdf),TextFiletxt)orreadonline forfreeWeymouthequation