Interferential laser Doppler velocimetry in a high frequency plasma jet

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, , Citation G Gouesbet and M Trinite 1977 J. Phys. E: Sci. Instrum. 10 1009 DOI 10.1088/0022-3735/10/10/018

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1 Lab. de Thermodynamique, Faculte des Sci. et des Techniques de Rouen, Mont-Saint-Aignan, France

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0022-3735/10/10/1009

Abstract

A high-frequency argon-helium plasma jet is studied by means of an interferential high-power laser Doppler velocimeter. The signal is processed by period-sampling. Mean velocities and 150 Hz, period fluctuations are measured. Coupled with dynamic pressure measurements former results allow the authors to obtain atomic and ionic temperatures.

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