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1、Aboutthecover:Top:Left:NASAGlenn’s8-by6-FootSupersonicWindTunnelcompressorwasrecentlyinspected(p.210).Right:On-orbitviewoftheInternationalSpaceStationtakenfromthespaceshuttleinMarch2001.TheSystemPowerAnalysisforCapabilityEvaluation(SPACE)computermodelofthespacestation’selectricalpo
2、wersystemwasvalidatedthisyear(pp.205–206).Middle:Thecorehotsectionfoil-airbearingwassuccessfullytestedinthelevel1milestoneonthepathtothefirstOil-Freeturbineaircraftengine(p.2).Bottom:Left:AstronautsworkingatBay10ontheHubbleSpaceTelescopeduringthetelescope’sthirdservic-ingmission.Th
3、ephysicalandthermalpropertiesofTeflonFEPretrievedfromthetelescopewereevaluated(pp.66–67).Right:TheNumericalPropulsionSystemSimulation(NPSS)Version1wasdesignatedco-winneroftheNASASoftwareoftheYearAwardfor2001(pp.228–229).IntroductionResearch&Technology2001NationalAeronauticsandSpace
4、AdministrationGlennResearchCenterCleveland,Ohio44135-3191NASA/TM—2002-211333iTradenamesormanufacturers'namesareusedinthisreportforidentificationonly.Thisusagedoesnotconstituteanofficialendorsement,eitherexpressedorimplied,bytheNationalAeronauticsandSpaceAdministration.NoticeforCopy
5、rightedInformationThisdocumentcontainsmaterialcopyrightedbythepartysubmittingittoNASA—seethecopyrightnoticesonpages23,53,and54.Thefiguresreferredtomaybereproduced,usedtopreparederivativeworks,displayed,ordistributedonlybyoronbehalfoftheGovernmentandnotforprivatepurposes.Allotherrig
6、htsarereservedunderthecopyrightlaw.AvailablefromNASACenterforAerospaceInformationNationalTechnicalInformationService7121StandardDrive5285PortRoyalRoadHanover,MD21076Springfield,VA22100Availableelectronicallyathttp://www.grc.nasa.gov/WWW/RTiiIntroductionIntroductionTheNASAGlennResea
7、rchCenteratLewisField,inpartnershipwithU.S.industries,universities,andotherGovernmentinstitutions,isresponsiblefordevelopingandtransferringcriticaltechnologiesthataddressnationalprioritiesinaeropropulsionandspaceapplications.Ourworkisfocusedonresearchfornewaeropropulsiontechnologie
8、s,aerospacepower,micrograv
