Designation:D8000−15StandardPracticeforFlowConditioningofNaturalGasandLiquids1ThisstandardisissuedunderthefixeddesignationD8000;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversflowconditionersthatproduceafullydevelopedflowprofileforliquidandgasphasefluidflowforcircularductsizes1-to60-in.(25.4-to1525-mm)diameterandReynoldsNumber(Re)rangesfromtransition(100)to100000000.Theseflowconditionerscanbeusedforanytypeofflowmeterordevelopmentofafullydevelopedflowprofileforotheruses.1.2Thecentralsingle-holeconfigurationthatisderivedusingfundamentalscreentheoryisreferencedastheflowconditionerdescribedherein.1.3Pipinglengthsupstreamanddownstreamofaflowconditionerareconsideredacriticalcomponentofaflowconditionerandconstitutethecompleteflowconditionersys-tem.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D4150TerminologyRelatingtoGaseousFuels2.2AGAStandard:3AGAReportNo.8CompressibilityFactorofNaturalGasandRelatedHydrocarbonGases3.Terminology3.1RefertoTerminologyD4150forgeneraldefinitionsrelatedtogaseousfuels.Definitionsspecifictothisstandardfollow.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1annuli,n—ring-shapedobject,structure,orregion.3.2.2axialsymmetry,n—symmetryaroundanaxis;anobjectisaxiallysymmetricifitsappearanceisunchangedifrotatedaroundanaxis.3.2.3Reynoldsnumber,n—dimensionlessnumberusedinfluidmechanicstoindicatewhetherfl...
