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【小可爱】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:
谢谢观赏
Thanksforyourattention