@misc{Knoll:2020,
author = {Knoll, A and Harle, T and Peter, S and Frame, T and Wantock, T},
title = {Plasma generation},
type = {Patent},
url = {http://hdl.handle.net/10044/1/80854},
year = {2020}
}

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TY  - PAT
AB  - A plasma torch having an open end from which a plasma plume is emitted in use is disclosed. The plasma torch includes a central cathode rod, a grounded conductive tube having an open end and being arranged around the cathode and spaced therefrom to form a first cylindrical cavity open at one end; and a high voltage electrode having a dielectric barrier material at a radially inward-facing surface thereof and being arranged around the grounded conductive tube and spaced apart therefrom to form a second annular cylindrical cavity open at one end. A constant direct current (DC) electrical power plus a high voltage pulsed electrical power is provided to the cathode producing an arc discharge in the first cavity between the cathode and grounded tube to generate a central thermal plasma emitted at an open end of the first cylindrical cavity. A high voltage alternating current electrical power or pulsed electrical power is provided to the high voltage electrode producing a dielectric barrier discharge in the second annular cylindrical cavity to generate a non-thermal plasma emitted from an open end of the second cavity as a halo around the central thermal plasma.
AU  - Knoll,A
AU  - Harle,T
AU  - Peter,S
AU  - Frame,T
AU  - Wantock,T
PY  - 2020///
TI  - Plasma generation
UR  - http://hdl.handle.net/10044/1/80854
ER  - 

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