Title :
Evaluation of the Two-Dimensional Temperature Field and Instability of a Dual-Jet DC Arc Plasma Based on the Image Chain Coding Technique
Author :
Ge, Nan ; Wu, Gui-Qing ; Li, He-Ping ; Wang, Zhe ; Bao, Cheng-Yu
Author_Institution :
Dept. of Eng. Phys., Tsinghua Univ., Beijing, China
Abstract :
Image contour extraction and chain coding technique are introduced to evaluate the two-dimensional temperature fields and instabilities of the dual-jet dc arc thermal plasmas. The experimental results show that the jet fluctuation plays a major role in the instability of the discharges.
Keywords :
arcs (electric); image coding; plasma diagnostics; plasma fluctuations; plasma instability; plasma jets; plasma temperature; arc dual-jet DC arc thermal plasma; image chain coding technique; image contour extraction; jet fluctuation; two-dimensional instability; two-dimensional temperature field; Discharges; Electrodes; Gray-scale; Image coding; Plasma temperature; Shape; Chain code; image processing; instability; temperature field; thermal plasma;
Journal_Title :
Plasma Science, IEEE Transactions on
DOI :
10.1109/TPS.2011.2159132
