【英文标准名称】:StandardTestMethodforDeterminingWaterSeparationCharacteristicsofAviationTurbineFuelsbyPortableSeparometer
【原文标准名称】:利用便携式分离仪测定航空涡轮机燃料中水分离的标准试验方法
【标准号】:ASTMD3948-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.J0.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aviationturbinefuel;coalescence;jetfuelcoalescer;MSEPrating;surfactant;waterseparation;Aviationturbinefuels;Fieldtesting--petroleumproducts;Portableseparometer;Separometertest;Waterseparation--aviationturbinefuels
【摘要】:Thistestmethodprovidesameasureofthepresenceofsurfactantsinaviationturbinefuels.LikeTestMethodsD2550andD3602,thistestmethodcandetectcarryovertracesofrefinerytreatingresiduesinfuelasproduced.Theycanalsodetectsurfaceactivesubstancesaddedtoorpickedupbythefuelduringhandlingfrompointofproductiontopointofuse.Certainadditivescanalsohaveanadverseeffectontherating.Someofthesesubstancesaffecttheabilityoffilterseparatorstoseparatefreewaterfromthefuel.TheMicro-Separometerhasameasurementrangefrom50to100.Valuesobtainedoutsideofthoselimitsareundefinedandinvalid.Intheeventavaluegreaterthan100isobtained,thereisagoodprobabilitythatlighttransmittancewasreducedbymaterialcontainedinthefuelusedtosetthe100referencelevel.Thematerialwassubsequentlyremovedduringthecoalescingportionofthetest,thus,theprocessedfuelhadahigherlighttransmittancethanthefuelsampleusedtoobtainthe100referencelevelresultinginthefinalratingmeasuringinexcessof100.TestModeAfunctionoftheseparometerwillgiveapproximatelythesameratingforJetA,JetA-1,MILJP-5,MILJP-7,andMILJP-8fuelsasTestMethodsD2550andD3602.UsingModeAwaterseparationcharacteristicratingsofJetBandMILJP-4fuelswillnotnecessarilybeequivalenttoTestMethodD2550butwillgiveapproximatelythesameratingasTestMethodD3602.AllMicro-SeparometershaveTestModeAcapability.TheTestModeBoptionisusedtodeterminewaterseparationratingsforMILJP-4fuelscontainingfuelsystemcorrosionandicinginhibitors.TheseratingsareapproximatelythesameasthoseobtainedusingTestMethodD2550.SelectionofModeAorModeBdependsonthespecificfuelandspecificationrequirement.Table1identifiestherecommendedtestmethodforvariousfuels.ThebasicdifferencebetweenModesAandBistheflowrateatwhichthewater/fuelemulsionisforcedthroughthestandardfiberglasscoalescercell.ThelapsedtimerequiredtoforcetheemulsionthroughthecoalescercellinModeAis45x00B1;2s,whereas,ModeBrequires25x00B1;1s.TABLE1ApplicableTestModeforVariousFuelsAvailableTestMode(s)FuelApplicableTestModeJetA
A
JetA-1
A
JetB
A
MILJP-5
A
MILJP-7
A
MILJP-8
A
MILJP-4
B
基本信息
| 标准名称： | 舰艇用柴油机研制技术要求 第1部分:部件认可准则 |
| 英文名称： | Specification of development and manufacture for naval diesel engine Part1: Approving criterion of part |
| 中标分类： |
船舶 >>
船用主辅机 >>
船用内燃机 |
| ICS分类： |
造船和海上建筑物 >>
船舶和海上建筑物综合 >>
船用发动机和推进系统
|
| 发布日期： | 2004-02-16 |
| 实施日期： | 2004-06-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 6页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 船舶 船用主辅机 船用内燃机 造船和海上建筑物 船舶和海上建筑物综合 船用发动机和推进系统