Abstract
A method is suggested of time-space analysis of temperature fields on the surface of tungsten cathode of a high-current electric arc using a VS-FAST high-speed video camera (manufactured by VideoScan, Moscow). The importance of contribution made by plasma radiation to the cathode surface emissivity being measured is considered, and the methods of taking this contribution into account are identified. Experiments reveal the possibility of using this high-speed video camera as a pyrometer providing for time resolution up to 2 μs and space resolution of about 30 μm.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Zhukov, V.M., Zasypkin, I.M., Timoshevskii, A.N. et al., Elektrodugovye generatory termicheskoi plazmy (Electric-Arc Generators of Thermal Plasma), Novosibirsk: Nauka, 1999.
Tsydypov, B.D., Dinamika nestatsionarnykh protsessov v sil’notochnykh plazmennykh sistemakh (The Dynamics of Unsteady-State Processes in High-Current Plasma Systems), Ulan-Ude: Buryat Scientific Center, Siberian Div., Russ. Acad. Sci., 2002.
Belevtsev, A.A., Goryachev, S.V., Isakaev, E.Kh. et al., The Results of High-Speed Visualization of the Surface of Tungsten Cathode of a High-Current Electric Arc, in Materialy Vserossiiskoi (s mezhdunarodnym uchastiem) konferentsii FNTP-2007 (Proceedings of All-Russia (with international participation) Conference on Physics of Low-Temperature Plasma FNTP-2007), Petrozavodsk, 2007, vol. 2, p. 24.
Isakaev, E.Kh., Grigor’yants, R.R., Spektor, N.O., and Tyuftyaev, A.S., Teplofiz. Vys. Temp., 1994, vol. 32, no. 4, p. 627 (High Temp. (Engl. transl.), vol. 32, no. 4, p. 588).
Belevtsev, A.A., Isakaev, E.Kh., Markin, A.V. et al., Teplofiz. Vys. Temp., 2000, vol. 38, no. 5, p. 693 (High Temp. (Engl. transl.), vol. 38, no. 5, p. 667).
Isakaev, E.Kh., Markin, A.V., Khaimin, V.A., and Chinnov, V.F., Prib. Tekh. Eksp., 2001, vol. 44, no. 1, p. 1.
Izluchatel’nye svoistva tverdykh materialov. Spravochnik (Radiative Properties of Solids: A Reference Book), Sheindlin, A.E., Ed., Moscow: Energiya, 1974.
Arpaci, E., Bets, G., and Frohberg, M., High Temp. High Pressures, 1985, vol. 17, p. 519.
Babelot, J.-F. and Hoch, M., High Temp. High Pressures, 1989, vol. 21, p. 79.
Author information
Authors and Affiliations
Corresponding author
Additional information
Original Russian Text © S.V. Goryachev, E.Kh. Isakaev, M.I. Myasnikov, V.F. Chinnov, 2008, published in Teplofizika Vysokikh Temperatur, vol. 46, No. 6, 2008, pp. 820–824.
Rights and permissions
About this article
Cite this article
Goryachev, S.V., Isakaev, E.K., Myasnikov, M.I. et al. Investigation of temperature fields on the surface of tungsten cathode of a high-current arc using a high-speed matrix. High Temp 46, 752–756 (2008). https://doi.org/10.1134/S0018151X08060035
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S0018151X08060035