第39卷第1期2023年2月Electro-MechanicalEngineering·环境适应性设计·DOI:10.19659/j.issn.1008–5300.2023.01.008粉末烧结型均温板抗旋转性能试验研究*唐文辉,刘波,沈小清(中国船舶集团有限公司第八研究院,江苏南京211153)摘要:为分析粉末烧结型铝制均温板在旋转离心力作用下传热性能的变化,文中设计了旋转试验测试平台,用以模拟不同转速过载条件,测试均温板在静止、低转速、高转速等状态下的传热温差,并进一步研究记录转速变化时均温板传热温差随时间的变化情况。试验结果表明,均温板传热温差在低转速下(7.5r/min)与静止状态下变化不明显,传热温差随着转速增加而逐渐增大。停止旋转后,传热温差快速下降。在高转速(30r/min和45r/min)下,传热温差增加值最大约10◦C,最小约4◦C。关键词:粉末烧结;均温板;旋转条件;传热性能中图分类号:TK124文献标识码:A文章编号:1008–5300(2023)01–0044–04ExperimentalStudyonHeatTransferPerformanceofPowderSinteredVaporChamberinRotatingConditionTANGWenhui,LIUBo,SHENXiaoqing(The8thResearchAcademyofCSSC,Nanjing211153,China)Abstract:Inordertoanalyzethevariationoftheheattransferperformanceofpowdersinteredaluminumvaporchamberunderrotationalcentrifugalforce,arotationtestplatformisbuiltinthispapertosimulatedifferentconditionsofdifferentrotationspeedsandtesttheheattransfertemperaturedifferencesofthevaporchamberunderstationarystate,low-speedrotationstateandhigh-speedrotationstate.Thevariationofheattransfertemperaturedifferenceofthevaporchamberwithtimeisstudiedandrecordedwhentherotationspeedchanges.Theexperimentshowsthattheheattransfertemperaturedifferencedoesnotchangesignificantlyunderlow-speedrotation(7.5r/min)stateandstationarystate,butwillincreaseastherotationspeedincreases.Aftertherotationstops,theheattransfertemperaturedifferencedecreasesrapidly.Athighrotationspeeds(30r/minand45r/min),theincrementoftheheattransfertemperaturedifferenceisabout10◦Catmostandabout4◦Catleast.Keywords:powdersintering;vaporchamber;rotatingcondition;heattransferperformance引言随着雷达等电子设备功耗及热耗不断上升,其电子器件的热流密度由以前的低于70W/cm2逐渐增加至200W/cm2以上,在此条件下铜和铝等传...