›› 2016, Vol. 36 ›› Issue (5): 72-.doi: 10.16708/j.cnki.1000-758X.2016.0060

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Constraintandstabilityanalysisofnearspaceairshipoutsidehangar

ZHANG  Tai-Hua, JIANG  Lu-Hua, ZHANG  Dong-Hui, WANG  Li-Xiang   

  1. 1AcademyofOptoElectronics,ChineseAcademyofSciences,Beijing100094,China 2UniversityofChineseAcademyofScience,Beijing100049,China
    3InstituteofHighEnergyPhysics,ChineseAcademyofSciences,Beijing100049,China
  • Received:2016-03-03 Revised:2016-04-07 Online:2016-10-25 Published:2016-08-22

Abstract: Typically,thenearspaceairshipparksinthehangarbeforelaunch.Assoonasnearspaceairshipleavesitshangaritwillbeaffectedbytheweatherandparticularlybythewind,whichnotonlyaffecttherapidityandsecurityoftheairshipoperation,butalsorelatetothesuccessoftheflighttest.Amechanicalmodelwasestablishedwhenanairshipwasoutsideitshangarwithbothsidesrestricted.Thevariationsofairshipyawandropetensionwereanalyzedbyusingdynamicmethod.Theanalyticalsolutionwasobtainedatthebeginningandstablestateofthewind,then,thestabilityandsafetyofanairshipwerealsoevaluated.Theultimatebearingsofforwardwindandcrosswindonanairshipoutsidethehangarwereproposed.Theresultquantifiestheindicatorsofmeteorologicalconditions,andprovidesreferencesofscientificandrationalmethodsforthelaunchtechnologyofnearspaceairshipinthefuture.

Key words: nearspaceairship, highaltitudelongendurancedemonstrator, forceofconstraint, stabilityanalysis, launchtechnology