Designation:D1740–01AnAmericanNationalStandardStandardTestMethodforLuminometerNumbersofAviationTurbineFuels1ThisstandardisissuedunderthefixeddesignationD1740;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThistestmethodhasbeenadoptedforusebygovernmentagenciestoreplaceMethod2108ofFederalTestMethodStandardNo.791b.1.Scope1.1Thistestmethod2coversthemeasurementoftheflameradiationcharacteristicsofaviationturbinefuelsandothersimilardistillatefuelsexpressedintermsofluminometernumbers.Thereisgoodcorrelationbetweensmokepoint(TestMethodD1322)andluminometernumberwhichispresentedinAppendixX1.21.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,see7.1,7.2,8.1,8.2andAnnexA1.1.NOTE1—ItistheintentofSubcommitteeJtoballottowithdrawthistestmethodwhendueforreapprovalin2006,becauseofverylimitedanddecliningusetodeterminecompliancewithaviationturbinefuelspecifi-cations.2.ReferencedDocuments2.1ASTMStandards:D1322TestMethodforSmokePointofAviationTurbineFuels3D1655SpecificationforAviationTurbineFuels3D2880SpecificationforGasTurbineFuelOils33.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1luminometernumber—ameasureofflametempera-tureatafixedflameradiationinthegreen-yellowbandofthevisiblespectrum.3.1.1.1Discussion—Itcanbecorrelatedwithcombustioncharacteristicsoffuelsforuseincurrentcommercialaviationturbineengines.4.SummaryofTestMethod4.1TheluminometernumberofafuelisdeterminedbyburningthefuelintheASTM-CRCLuminometerlampandobtainingacurveofflameradiation,asmeasuredbyanopticalfilterandphotocellunitagainstthetemperatureriseacrosstheburnermeasuredbyather...
