The design and construction of the plasma torch module by modifying and reassembling the structural components of two different models of spark plugs are first described. Each module can produce a torch plasma of 1 cm radius and 6 cm height and having a peak density exceeding 1013 cmp3. A set of modules, each connected in series with a ballasting capacitor in the circuit, can be operated as an array sharing a common power source to produce a dense and large volume plasma. The electrical characteristics of the module are studied. It’s shown that the discharge can be maintained, with the aid of a series ballasting capacitor, in a stable diffuse arc. Microwave-plasma interaction is studied in an X-band waveguide by passing the plasma from the torch through pairs of aligned holes on the top and bottom walls of the waveguide. The results show that each torch as a lossy dielectric post, can introduce more than 10 dB attenuation to the propagating microwaves.
|Original language||English (US)|
|State||Published - 1999|
|Event||30th Plasmadynamic and Lasers Conference, 1999 - Norfolk, United States|
Duration: Jun 28 1999 → Jul 1 1999
|Other||30th Plasmadynamic and Lasers Conference, 1999|
|Period||6/28/99 → 7/1/99|
ASJC Scopus subject areas