文档介绍:该【Fuel Tank Ignition Studies at Reduced Pressures & Oxygen 油箱着火的的研究在压力减小&;氧 】是由【落意心】上传分享,文档一共【8】页,该文档可以免费在线阅读,需要了解更多关于【Fuel Tank Ignition Studies at Reduced Pressures & Oxygen 油箱着火的的研究在压力减小&;氧 】的内容,可以使用淘豆网的站内搜索功能,选择自己适合的文档,以下文字是截取该文章内的部分文字,如需要获得完整电子版,请下载此文档到您的设备,方便您编辑和打印。FuelTankIgnitionStudiesatReducedPressures&Oxygen油箱着火的的研究在压力减小&氧
Goals
Todeterminetheoxygenconcentrationneededtofullyinertafueltankatdifferentaltitudes
Toquantifythedifferenceinseverityofthefueltankignitions,bothataltitudeandreducedoxygenconcentration
ExperimentalApparatus
9ft3fueltankplacedwithin10m3pressurechamber
Heaterplacedonbottomoftank
Vacuumpumpusedtoevacuatechambertosimulatedesiredaltitude
14thermocouples–fuel,ullage,walls&floor
PressureTransducers–peak&quasi-static
Analyzers–HC(2ports)&O2
TestProgram
PreliminaryMethaneTests
DetermineLFLofMethaneatSeaLevelandcomparetonumberscitedinliterature
Determineoxygenconcentrationneededtofullyinertafueltankat:
Altitudesrangingfrom
0–40kft&
correspondingtemps
Severaldifferentmass
loadings&FARs
ResultstoDate
PreliminaryMethaneTests:
LFLdeterminedtobe~%%citedinreferences
SeaLevelJet-ATests:
&liquidfueltemperatureof150°F
%neededtofullyinert
Nopressurereadingsobtained
FuturePlans
Replicatesealeveltestswithpressureinstrumentation
Continueonwithaltitudetests
Pleaseforwardallcomments&questionsto:
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