Article | REF: D2820 V1

Thermal plasmas: production

Author: Pierre FAUCHAIS

Publication date: August 10, 2007

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1. Thermal plasma production techniques

There are two main techniques for producing thermal plasmas at or near atmospheric pressure: RF radio-frequency torches and direct current (DC) arcs, either blown or transferred. The key parameters of plasma production devices are as follows.

  • Torch thermal efficiency ρth 

    It quantifies the power dissipated in the gas: Pgaz =ρth×Pρth=PQo/P

    ...
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Thermal plasma production techniques