Title :
Generation of microplasma jet in discharge with pointed anode
Author :
Lebedeva, A.V. ; Gostev, V.A. ; Sysun, V.I.
Author_Institution :
Petrozavodsk State Univ., Russia
Abstract :
Summary form only given, as follows. In our previous research it is shown that regimes with high specific power (about 10/sup 5/ W/cm/sup 3/) put in anode parts of discharge can be carried out. A generator of microplasma jet has been designed and constructed on the basis of results obtained before. A generator was tested in helium. Voltage of discharge was 700 V at a discharge current equal 15 mA. Consumption of helium in the experiments was 1.1/mm. The power of microplasma jet was 1.6 W. Diameter of microplasmotron exit opening was 0.8 mm and radius of curvature of a pointed anode -8 mkm. Microplasma jet has following parameters length -20 mm, diameter - about 0.1 mm. This paper reports about characteristics of microplasma flow (volt-ampere characteristic, integral power of plasma jet and local values of mass average temperature of plasma as well). Spectra of plasma radiation are registrated. Applications of microplasma generator such as medicine and electronic facilities technology are discussed.
Keywords :
discharges (electric); plasma jets; plasma sources; plasma temperature; 15 mA; 700 V; helium consumption; integral power; jet power; mass average temperature; microplasma flow; microplasma jet generator; plasma radiation spectra; pointed anode discharge; volt-ampere characteristic; Annealing; Anodes; Fabrication; Plasma applications; Plasma materials processing; Plasma properties; Plasma temperature; Powders; Solids; Thermal spraying;
Conference_Titel :
Plasma Science, 2003. ICOPS 2003. IEEE Conference Record - Abstracts. The 30th International Conference on
Conference_Location :
Jeju, South Korea
Print_ISBN :
0-7803-7911-X
DOI :
10.1109/PLASMA.2003.1228982