高发射率水浴黑体腔优化设计与测试徐骏，费志禾Δ，王惠芬，兰少飞，费涛，李逸（1.上海卫星装备研究所，上海200240；2.上海航天技术研究院，上海201109）摘要：针对卫星红外载荷高精度定标试验需求，研制高发射率水浴黑体腔。基于Gouffe理论设计黑体腔结构参数，对比两种腔体内表面处理方法，选择喷涂高发射率涂层的工艺；采取分体式圆锥嵌合结构解决传统构型锥尖加工困难、涂层堆积的问题；并通过理论计算、光线追迹仿真和实验测量评价黑体腔的有效发射率。结果表明，所研制的黑体腔有效发射率达0.997，满足高精度红外载荷定标试验需求。关键词：黑体腔；有效发射率；结构优化设计；表面处理中图分类号：O432.1文献标志码：A文章编号：1673-1379(2023)01-0018-06DOI:10.12126/see.2022084Optimaldesignandtestingofhigh-emissivitywater-bathblackbodycavityXUJun,FEIZhiheΔ,WANGHuifen,LANShaofei,FEITao,LIYi(1.ShanghaiInstituteofSpacecraftEquipment,Shanghai200240,China;2.ShanghaiAcademyofSpaceflightTechnology,Shanghai201109,China)Abstract:Ahigh-emissivitywater-bathblackbodycavitywasdevelopedinviewofthehigh-precisioncalibrationtestofsatelliteinfraredloads.ThestructuralparametersofblackbodycavityweredesignedbasedonGouffetheory,andtheprocessofsprayinghighemissivitycoatingwasselectedaftercomaringtwosurfacetreatmentmethods.Thecombinationstructurewithtwosplitcircularconeswasdesignedtosolvetheproblemsofmachiningdifficultyandcoatingaccumulationinconventionalconetips.Theeffectiveemissivityofthedevelopedblackbodycavitywasevaluatedbytheoreticalcalculation,raytracingsimulationandexperimentalmeasurement.Theresultshowsthattheeffectiveemissivityofthedevelopedblackbodycavityreachesupto0.997,whichmeetstherequirementofhigh-precisioncalibrationtestofinfraredloads.Keywords:blackbodycavity;effectiveemissivity;structuraloptimaldesign;surfacetreatment收稿日期：2022-08-15；修回日期：2023-01-12基金项目：科技部重点研发计划项目（编号：2022YFB3903104）引用格式：徐骏,费志禾,王惠芬,等.高发射率水浴黑体腔优化设计与测试[J].航天器环境工程,2023,40(1):18-23XUJ,FEIZH,WANGHF,etal.Optimaldesignandtestingofhigh-emissivitywater-bathblackbodycavity[J].SpacecraftEnvi...
