Transcript NEW MICROWAVE PLASMA SOURCE IN WATER
NEW MICROWAVE PLASMA SOURCE IN WATER
A.M. Barkhudarov, I.A. Kossyi, M.A. Misakyan Prokhorov General Physics Institute of RAS, Moscow, Russia
“Resonance” type plasma source Fig.1. Schematic of coaxial microwave plasmatron 1-magnetron; 2-outer electrode; 3-quartz tube; 4 gas-discharge near-the-surface plasma layer; 5-inner electrode – rod; 6-wall of reactor chamber N.K.Berezhetskaya, V.A.Kop’ev, I.A.Kossyi M.A.Misakyan, I.M.Taktakishvili,S.Temchin,and Y.D.Lee
Eur.Phys.J.Appl.Phys. 42,327–337(2008
1 – 2 – 3 – 4 – 5 – 6 – 7 – working gas 8 – 9 – magnetron magnetic loop coaxial outer electrode nozzle ; plasma torch inner electrode rectangular cavity copper rods ( basket ) Microwave torch scheme
Influence of the outer electrode length on the form and type of the microwave torch
MW Plasma sources for several applications
Scheme of the “Self-Clear up” phenomenon for
V.Yu. Knyazev, I.A.Kossyi, N.i.Malikh, E.S.Yampolskii ZTP ( Russian) 2003, V.73, N.11
PLASMA SOURCE DIAGRAM
1-Organic glass cylindrical tube, 2-end flanges, 3-magnetron (N=850 W, f=2.45 GHz), 4-inner electrode, 5 outer electrode, 6-quartz tube around the inner electrode, 7-liquid (water),8-gas inlet/outlet, 9-gas babbles, 10-plasma jet, 11- water inlet/outlet.
MW Plasma source working in water
Plasma source emission spectrum 60000 40000 20000 0 300 350 400 450 500 550 600 650 Wavelength (nm) 700 750 800 850
Plasma source emission spectrum 60000 40000 20000 0 400 600 Wavelength (nm) 800