%0 Journal Article
%T DesignofOpticalandMechanicalStructureforLunarSimulatorBasedonVariableShapeandAdjustableRadiance
%A LIU
%A Shi
%A ZHANG
%A Guoyu
%A SUN
%A Gaofei
%A WANG
%A Lingyun
%A GAO
%A Yujuni
%J 空间科学学报
%P 647-652
%D 2015
%R 10.11728/cjss2015.05.647
%X Tosimulatethedifferentlunarphasesandensurecontinuousadjustabilityoftheradiantbrightness,anewbroadspectrumlightandfrostedglasswereappliedanddesignedintheopticalsystemforlunarsimulatorwiththeshapesandradiancebeingabletobeadjusted.Accordingtotheengineeringdemandandindexrequirementsoftheopticalsystem,threemajordesignaspectsareaddressed,includingthehighreliabilityandmaintainabilityforbroad-spectrumlight,heatdissipationinlunarsimulatorforlongworkinghours,andbearingofthemainframeunderdifferentworkingconditions.Bydesigningareasonablemachinestructure,andthroughthestructureitselfwiththematrixarrangementof48axialflowfans,aneffectivelycoolingairductisestablished.DeformationandtemperaturewerecalculatedbythefiniteelementsoftwareANSYS.Theresultsshowedthatthedisplacementdeformationreached0.33mmandstressdeformationreached0.02MPaatthetemperatureof20℃;whenthemainframewasinthetemperaturefieldbetween20℃and65℃,themaximumdisplacementdeformationreached13.30mmandmaximumstressdeformationis97.90MPa,andtheamountofthisdeformationisverysmallinconsideringofthemechanicalstructuredimensionsandweightofthelunarsimulator.
%K Lunarsimulator
%K Adjustableshapesandradiance
%K Opticalsystem
%K Heatdissipation
%K Finiteelementanalysis
%U http://www.cjss.ac.cn/CN/abstract/abstract2175.shtml