High power electric discharge method and apparatus for laser che

Details High power electric discharge method and apparatus for laser che High power electric discharge method and apparatus for laser che

1975-11-26

1977-04-05

Rolinec, Rudolph V.

Electric lamp and discharge devices

Fluent material supply or flow directing means

Plasma

313309, 3151112, 331 945G, 31 945PE, H01J 6128, H01S 300

Patent

active

040164489

ABSTRACT:
Electric discharge method and apparatus for producing a relatively large volume, diffuse glow gas discharge plasma for laser, chemical synthesis and other applications at high power, high pressure and high volume levels and such that plasma properties are dominated by collision processes and wherein the operational parameters of the electric discharge are established to provide an average gas residence time T.sub.R in a continuous wave convective electric discharge and a discharge duration time T.sub.P in a pulsed electric discharge that is approximately equal to the plasma instability growth time T.sub.G = CP/JE where P is the pressure in Torr, JE is the electric power density in Watts/cm.sup.3 and C is a constant typically about 10.sup.-.sup.4 for self-sustained gas electric discharges and 10.sup.-.sup.3 for externally sustained gas electric discharges and wherein the convective electric discharge apparatus have a flow baffle system with a transverse foamed plastic baffle and a transverse turbulence generator plate for establishing an approximately isotopic and uniform turbulent flow pattern in the electric discharge region and such that T.sub.R and T.sub.G are representative of local values.

REFERENCES:
patent: 3720885 (1973-03-01), Koloc
patent: 3758874 (1973-09-01), Hoag

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