Velocity measurements in a supersonic wind tunnel with a novel calibration-free seedless velocimetry utilizing laser-induced shockwaves and a double-line probe system

Hosung Byun,Juhyun Bae,Taekeun Yoon, Inyoung Yang, Sanghoon Lee,Campbell D. Carter,Hyungrok Do

International Journal of Heat and Mass Transfer（2022）

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摘要

•Novel calibration-free seedless velocimetry tested in a supersonic flow.•Behaviors of shockwaves generated by laser induced plasma.•Interaction between double CW laser probe-beam and a shockwave propagating in a supersonic flow.•Measured flow velocity in supersonic wind tunnel with wall heat transfer.

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关键词

Supersonic flow,Seedless velocimetry,Laser-induced plasma (LIP),Probe beam deflection,Wall heat transfer

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