世界有色金属2023年6月上118前沿技术Leading-edgetechnology基于增材技术的极小曲面结构散热仿真及性能研究张润凯1，高超2，翁俊2，刘宝昌1，李庆棠1（1.北京新风航天装备有限公司，北京100854；2.北京无线电测量研究所，北京100854）摘要：相比于风冷、相变等散热形式，液冷散热具有稳定高效等优势。针对目前大功率电子设备在高热流密度下的散热需求，本文通过仿真和试验方式，对比在同等热输入和散热介质流速下三种不同形式的散热结构的散热能力，三种结构分别为：矩形翅片、三角翅片型和三周期极小曲面（TPMS）型液冷散热结构。同时基于增材技术，对液冷板整体结构一体化设计制造并进行试验验证，结果表明TPMS形式的结构散热效果更好，一体化制造可行性良好。该研究为后续大功率电子装备的液冷散热结构设计与制造提供参考。关键词：增材技术；铝合金；散热仿真及性能中图分类号：V260.5文献标识码：A文章编号：1002-5065（2023）11-0118-3ThermalSimulationandPerformanceResearchofMinimalsurfaceStructureBasedonAdditiveTechnologyZHANGRun-kai1,GAOChao2,WENGJun2,LIUBao-chang1,LIQing-tang1(1.BeijingXinfengAerospaceEquipmentCo.,Ltd,Beijing100854,China;2.BeijingInstituteofRadioMeasurement,Beijing100854,China)Abstract:Comparedtoaircooling,phasechangeandotherheatdissipationforms,liquidcoolinghasadvantagessuchasstabilityandefficiency.Inviewofthecurrentheatdissipationrequirementsofhigh-powerelectronicequipmentunderhighheatflowdensity,thispapercomparestheheatdissipationcapacityofthreedifferentformsofheatdissipationstructuresunderthesameheatinputandcoolingmediumflowratethroughsimulationandexperiment.Thethreetypesofstructuresare:rectangularfin,triangularfinandthreecycleMinimalsurface(TPMS)liquidcoolingcoolingstructures.Atthesametime,basedonadditivetechnology,theintegrateddesign,manufacturing,andexperimentalverificationoftheoverallstructureoftheliquidcooledplatewerecarriedout.TheresultsshowedthatthestructureintheformofTPMShadbetterheatdissipationeffect,andthefeasibilityofintegratedmanufacturingwasgood.Thisstudyprovidesareferenceforthedesignandmanufacturingofliquidcooledheatdissipationstructuresforhigh-powerelectronicequipmentinthefuture.Keywords:...
