Experimental study of compressible boundary layer on a cone at angles of attack

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    摘要 Experimentalstudywasconductedforboundary-layersonasharp5°half-angleconeof400mmlengthatanglesofattack.ThemodelwastestedintheT-326hypersonicwindtunnel(ITAM)atfreestreamMachnumberM=5.95.Meanandfluctuationwallcharacteristicsoftheboundarylayeraremeasuredat0°2°3°and4°anglesofattackfordifferentstagnationpressures.PulsationmeasurementsarecarriedoutbymeansofALTPsensor.Pressureandtemperaturedistributionsalongthemodelareobtained,andtransitionbeginningandendlocationshavebeenfound.Boundarylayerstabilizationwiththeincreaseofangleofattackandthedecreaseofstagnationpressureisobserved.Highfrequencypulsationsinherenttohypersonicboundarylayer(secondmode)havebeendetected.
    机构地区 不详
    出处 《力学学报:英文版》 2009年3期
    出版日期 2009年03月13日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)
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