An experimental study of asymmetry in an argon inductively coupled plasma torch using a relaxation method

A relaxation method is used to undertake an experimental study of the degree of cylindrical symmetry present in an argon inductively coupled plasma torch, ICP. This technique, in effect a direct comparison between two different parameters, the electron ( T e) and gas ( T g) temperatures in the torch...

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Bibliographic Details
Published in:Spectrochimica Acta Part B: Atomic Spectroscopy 1988, Vol.43 (12), p.1431-1442
Main Authors: Bydder, E.L., Miller, G.P.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma devices
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Summary:A relaxation method is used to undertake an experimental study of the degree of cylindrical symmetry present in an argon inductively coupled plasma torch, ICP. This technique, in effect a direct comparison between two different parameters, the electron ( T e) and gas ( T g) temperatures in the torch, is shown to be a very sensitive indicator of axisymmetry. Measurements using this technique delineate areas of axisymmetry in the ICP, and show that axisymmetry is significantly dependent on the observation height and coolant gas flow-rate.
ISSN:0584-8547
1873-3565
DOI:10.1016/0584-8547(88)80182-4