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两米级太阳望远镜主镜筒结构设计与热分析研究.docx

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两米级太阳望远镜主镜筒结构设计与热分析研究 Abstract Inthispaper,wepresentthedesignandthermalanalysisofthemainmirrorbarrelofatwo-metersolartelescope.Themainmirrorbarrelisanessentialcomponentthathousestheprimarymirror,secondarymirror,andsupportstructure.Thestructure'sdesignandthermalpropertiesarecrucialtoachieveoptimalimagequalityandperformanceofthetelescope.Wediscussthedesignconsiderationsandthermalanalysisofthestructureanditscomponents,whichincludetheanalysisofthermalloadsandtheselectionofmaterialandinsulationsystems.Theproposeddesignandthermalanalysisaimtoofferoptimalperformanceforthetwo-metersolartelescope. Introduction Solartelescopesarevitalscientificinstrumentsusedtoobserveandstudythesun.Theyenableresearcherstoanalyzesunspots,flares,andothersolarphenomenathathaveasignificantimpactonEarth'sclimate.Theopticsofasolartelescopeiscomplex,anditsperformancedependsonseveralfactors,amongthemisthedesignandthermalpropertiesofthemainmirrorbarrel.Themainmirrorbarrelisthestructurethathousestheprimarymirror,secondarymirror,andsupportstructure. Theprimaryfunctionofthemainmirrorbarrelistoprovideastableandthermallycontrolledenvironmentforthetelescope'soptics.Thestabilityofthestructureiscrucialforthetelescope'sopticalperformance,asanymovementorvibrationwouldcauseimagedistortion.Thethermalcontrolofthesystemisalsoacriticalfactor.Temperaturevariationscancausetheopticstoexpandandcontract,whichsignificantlyimpactsthetelescope'sfocusandimagequality. Inthispaper,wepresentthedesignandthermalanalysisofthemainmirrorbarrelofatwo-metersolartelescope.Wediscussthedesignconsiderations,thethermalanalysisofthestructureanditscomponents,andtheselectionofmaterialandinsulationsystems.Ourfinalobjectiveistoproposeadesignandthermalanalysisthatwouldenableoptimalperformanceforthetwo-metersolartelescope. Designconsiderations Thedesignofthemainmirrorbarreliscriticaltoensurethatitisstableandthatitcanwithstandthethermalloadstowhichitwillbesubjected.Thestructuraldesignofthebarrelmustconsiderthefollowingaspects: •Thesizeandweightoft