An improved smoke-wire flow visualization technique using capacitor as power source

在线阅读 下载PDF 导出详情
摘要 Animprovedsmoke-wireflowvisualizationtechniqueusingalargecapacitorasthepowersourcewasproposed.Electriccurrentdischargedfromcapacitorswasusedtoheatafinemetalwiresuspendedintheflowfield.Theoildropletsattachedtothewirewerevaporizedandsmokefilamentsfollowedtheflowmotions.Adigitalcamerawasusedtorecordtheimagesofthesmokefilaments.Theactionsofdischargingandcamerashutterweretriggeredbysignalsfromamicrocontrollertoensuretheaccuratetiming.Clearimagesofthestreaklineswerecapturedatafreestreamvelocityupto12.9m/s,muchhigherthanthelimitsoftheexistingtechniques.
机构地区 不详
出处 《力学快报:英文版》 2018年6期
出版日期 2018年06月16日(中国期刊网平台首次上网日期,不代表论文的发表时间)
  • 相关文献