资源描述：
《challenge to create space drive》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、207295ChallengetoCreatetheSpaceDriveM.G.MillisReprintedfromJournalofPropulsionandPowerVolume13,Number5,Pages577-582GIa-!._M.a_4__ApublicationoftheAmericanInstituteofAeronauticsandAstronautics,Inc.1801AlexanderBellDrive,Suite500Reston,VA20191-4344JOURNALOFPROPUL
2、SIONANDPOWERVol.13,No.5,September-October1997ChallengetoCreatetheSpaceDriveMarcG.Millis*NASALewisResearchCenter,Cleveland,Ohio44135Totraveltoourneighboringstarsaspracticallyasenvisionedbysciencefiction,breakthroughsinsciencearerequired.Oneofthesebreakthroughsis
3、todiscoveraself-containedmeansofpropulsionthatrequiresnopropellant.Tochartapathtowardsuchadiscovery,sevenhypotheticalspacedrivesarepresentedtoillustratethespecificunsolvedchallengesandassociatedresearchobjectivestowardthisambition.Oneresearchobjectiveistodiscov
4、erameanstoasymmetricallyinteractwiththeelectromag-neticfluctuationsofthevacuum.Anotheristodevelopaphysicsthatdescribesinertia,gravity,orthepropertiesofspace-timeasafunctionofelectromagneticsthatleadstousingelectromagnetictechnologyforinducingpropulsiveforces.An
5、otheristodetermineifnegativemassexistsorifitspropertiescanbesynthesized.AnalternativeapproachthatcoversthepossibilitythatnegativemassmightnotexististodevelopaformalismofMach'sprincipleorreformulateetherconceptstolayafoundationforaddressingreactionforcesandconse
6、rvationofmomentumwithspacedrives.Nomenclatureconstraintofrequiringpropellant.Withoutsuchadiscovery,humaninterstellarexplorationmaynotbepossible."Amagnitudeofhypotheticalpitchdriveeffect,rrds2Oneofthemissingprerequisitestoachievingthisbreak-al-m_:accelerationofn
7、egativemass,m/s2throughishavingastartingpointfortheresearch--adescrip-ai+m_accelerationofpositivemass,m/s-'B=magnitudeofhypotheticalbiasdriveeffect,llmtionofthespecificproblemstobesolved.Withoutthisfirstd=distance,mstepofthescientificmethod,thereisnoframeworkag
8、ainst..r2whichtoassess,augment,andapplyemergingsciencetotheeGaussiandistributionoverr,dimensionlessG=Newton'sgravitationalconstant,Nm2lkg2goalofcreatingaspacedrive.Toprovide
