学科分类
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1 个结果
  • 简介:Animprovedsmoke-wireflowvisualizationtechniqueusingalargecapacitorasthepowersourcewasproposed.Electriccurrentdischargedfromcapacitorswasusedtoheatafinemetalwiresuspendedintheflowfield.Theoildropletsattachedtothewirewerevaporizedandsmokefilamentsfollowedtheflowmotions.Adigitalcamerawasusedtorecordtheimagesofthesmokefilaments.Theactionsofdischargingandcamerashutterweretriggeredbysignalsfromamicrocontrollertoensuretheaccuratetiming.Clearimagesofthestreaklineswerecapturedatafreestreamvelocityupto12.9m/s,muchhigherthanthelimitsoftheexistingtechniques.

  • 标签: Smoke-wire VISUALIZATION CAPACITOR TIMING CIRCUIT