文章编号：0258-1825(2023)07-0102-108m×6m低速风洞悬臂支撑机构远场干扰试验刘李涛，黄志远，陈洪*，范利涛，李小兵，刘砚(中国空气动力研究与发展中心低速空气动力研究所，绵阳621000)摘要：8m×6m低速风洞悬臂支撑机构是风洞主力支撑装置，其对试验模型的气动干扰可分为近场干扰和远场干扰（主要为悬臂干扰）两部分，采用两步法进行的支撑干扰试验一般仅获取近场干扰量，而获取远场干扰量则较为复杂，普遍对其进行了忽略。本文在8m×6m低速风洞采用流场测量和典型模型测力试验方法对悬臂支撑机构远场（悬臂）干扰进行了研究，获得了较为可靠的悬臂干扰特性，并建立了基本修正方法，可为后续8m×6m低速风洞悬臂支撑机构远场干扰通用修正方法的建立和验证提供数据支撑。关键词：低速风洞；悬臂支撑机构；远场干扰；试验；修正方法中图分类号：V211.7文献标识码：Adoi：10.7638/kqdlxxb-2022.0110Experimentoffar-fieldinterferenceofcantileversupportdevicein8m×6mlowspeedwindtunnelLIULitao，HUANGZhiyuan，CHENHong*，FANLitao，LIXiaobing，LIUYan(LowSpeedAerodynamicsInstituteofChinaAerodynamicsResearchandDevelopmentCenter,Mianyang621000,China)Abstract:Thecantileversupportdeviceisoneofthemostcommonlyusedsupportdevicesinthe8m×6mlow-speedwindtunnel.However,itinevitablyexertsaerodynamicinterferenceonthetestmodel,whichcanbedividedintonear-fieldandfar-fieldinterferences.Correctionoftheaerodynamicinterferenceisindispensableforobtainingreliableaerodynamicperformanceoftestingmodels.Thetwo-stepmethodiscommonlyusedinconventionalsupportinterferencetests,whereonlythenear-fieldinterferenceisusuallyobtained,butthefar-fieldinterferenceisdifficulttoacquire.Inthispaper,theaerodynamicinterferenceofthecantileversupportdeviceisstudiedbyflowfieldandforcemeasurementoftypicalmodelsinthe8m×6mlowspeedwindtunnel(FL-13)ofChinaAerodynamicResearchandDevelopmentCenter.Basedonanalysesoftheinterferencecharacteristicsofthecantileversupportdevice,weproposeaneffectivemethodforcorrectingthesupportinterference.Theseresultsprovidevaluablesupportfordevelopingandverifyingthefar-fieldinterferencecorrectionmethodsinthe8m×6mlowspeedwindtunnel.Keywords:lowspeedwindtunnel；ca...
