Abstract
It is demonstrated, on the basis of experimental data, that a high thermal resistance of the coating can facilitate transition of a superconductor to the normal state with attendant release of heat in amounts below the first critical level.
Similar content being viewed by others
Literature cited
M. P. Malkov, I. B. Danilov, A. G. Zel'dovich, and A. B. Fradkov, Textbook on Physicotechnical Principles of Cryogenics [in Russian], Énergiya, Moscow (1973).
L. A. Novitskii and I. G. Kozhevnikov, Thermophysical Properties of Materials at Low Temperatures (Handbook) [in Russian], Mashinostroenie, Moscow (1975).
I. I. Perepechko, Low-Temperature Properties of Polymers [Russian translation], Khimiya, Moscow (1977).
A. P. Butler, G. B. James, B. I. Maddock, and W. T. Norris, “Improved pool-boiling heat transfer to helium from heated surfaces and its application to superconducting magnets,” Int. J. Heat Mass Transfer,13, No. 1, 105–115 (1970).
I. P. Vishnev, Ya. G. Vinokur, and V. V. Gorokhov, “Crisis nucleate boiling of helium at various surfaces,” Inzh.-Fiz. Zh.,28, No. 2, 223–230 (1975).
D. N. Lyon, “Boiling heat transfer and peak nucleate boiling fluxes in saturated helium between A-point and critical temperatures,” Int. Adv. Cryogen. Eng.,10, 371–379 (1965).
V. A. Vasil'ev, Yu. P. Dmitrevskii, S. S. Kozub, and U. Ésher, “Temperature effects in superconducting pulse magnet,” Preprint, Inst. Fiz. Vys. Energ., Serpukhov (1979).
I. P. Vishnev, A. I. Krauze, S. I. Sergeev, et al., “Studies of heat transfer and hydrodynamics in helium for cooling of superconductor devices,” in: Reports to Scientific-Technical Conference on Equipment for Cryogenic Cooling of Superconducting and Cryoresistive Electrical Transmission Lines and Electrical Machinery with Superconductor Windings, Institute of Electrical Engineering, Slovak Academy of Sciences, Bratislava (Czechoslovakia), June 12–16 (1978), pp. 96–122.
I. P. Vishnev, Ya. G. Vinokur, O. A. Sedov, et al., “Study of certain problems pertaining to boiling of helium,” in: Reports to Sixth All-Union Confer, on Heat Transfer and Hydraulic Drag during Flow of Two-Phase Stream through Components of Electrical Machines and Apparatus, Section I, Leningrad, September 24–26 (1978), pp. 75–77.
M. Jergel and R. Stevenson, “Static heat transfer to liquid helium in open pools and narrow channels,” Int. J. Heat Mass Transfer,14, No. 12, 2099–2107 (1972).
I. A. Glebov, I. P. Vishnev, V. G. Pron'ko, and I. A. Filatov, “Criterion of thermal stabilization in superconducting devices,” Izv. Akad. Nauk SSSR, Energ. Transport, No. 4, 3–9 (1980).
I. P. Vishnev, Ya. G. Vinokur, and V. V. Gorokhov, “Boiling of helium under various pressures,” Khim. Neft. Mashinostr., No. 9, 18–21 (1975).
Author information
Authors and Affiliations
Additional information
Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 42, No. 5, pp. 709–714, May, 1982.
Rights and permissions
About this article
Cite this article
Filatov, I.A., Vishnev, I.P. & Vinokur, Y.G. Effect of electrical insulation coating on thermal state of superconducting busbars. Journal of Engineering Physics 42, 479–483 (1982). https://doi.org/10.1007/BF00824934
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00824934