NDLI: PPPS-2013: This is a sample abstract submission: Calculation of DC arc plasma torch current-voltage characteristics

Content Provider	IEEE Xplore Digital Library
Author	Djebarni, L. Mebdoua, Y.
Copyright Year	2013
Description	Author affiliation: Centre de Dev. des Technol. Av., Algiers, Algeria (Djebarni, L.; Mebdoua, Y.)
Abstract	Summary form only given. Plasma spraying is mainly employed for surface treatment providing coating for protection of materials against wear, erosion and corrosion. Improving coating quality requires a better understanding of the behavior of the arc created inside the direct current arc plasma torches1, 2. The present work is devoted to the determination of plasma torch parameters namely, working voltage and current of plasma torch, using an analytical calculation on the cathode spot parameters. A model of a heat transfer in the cathode spot on an electrode in the arc discharge is developed and analytical expressions for the spot radius and temperature as function of basic characteristics of the discharge and the electrode material are investigated. The dependence of the spot radius on the voltage drop of the discharge is consistent with the numerical simulation results. The sequence of calculation of voltage-current characteristics of DC arc plasma torch is proposed. It is shown that the Steenbeck model of arc discharge in cylindrical channel makes it possible to carry out this calculation. The obtained results of the calculation are compared to the experimental ones and other theoretical models.
Starting Page	1
Ending Page	1
File Size	105645
Page Count	1
File Format	PDF
ISBN	9781467351713
ISSN	07309244
DOI	10.1109/PLASMA.2013.6633286
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plasmas Coatings Materials Cathodes Arc discharges Discharges (electric)
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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