Some Techniques for Diagnostics of the Cold Plasma Jet Generated on the Base of the Atmospheric-Pressure Microwave Discharge

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Abstract

The atmospheric-pressure cold plasma jet that is a flowing afterglow of the interelectrode microwave discharge in Ar was investigated using various diagnostic techniques. Waveguide-type 2.45-GHz-plasmatron with the external 6-rod-electrode plasma torch was used as the cold plasma source. High-speed shadowgraphy was used to obtain spatio-temporal structure of the cold plasma jet. The periodic character of plasma generation was studied using electric probe floating potential measurements with an oscilloscope.

About the authors

S. N. Antipov

Joint Institute for High Temperatures, Russian Academy of Sciences

Email: antipov@ihed.ras.ru
125412, Moscow, Russia

V. M. Chepelev

Joint Institute for High Temperatures, Russian Academy of Sciences

Email: antipov@ihed.ras.ru
125412, Moscow, Russia

M. Kh. Gadzhiev

Joint Institute for High Temperatures, Russian Academy of Sciences

Email: antipov@ihed.ras.ru
125412, Moscow, Russia

A. G. Abramov

TVEL

Email: antipov@ihed.ras.ru
119017, Moscow, Russia

A. V. Ugryumov

TVEL

Author for correspondence.
Email: antipov@ihed.ras.ru
119017, Moscow, Russia

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