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Thermophysics and Aeromechanics

2007 year, number 2

On optimization of thermal modes of the high-current thermal-emission cathodes

B.D. Tsydypov
Department of Physical Problems of Buryat Scientific Center SB RAS, Ulan-Ude, Russia
Pages: 257–263


Estimation criteria for contribution of the main energy sources and sinks to complex heat transfer of the rod thermal cathodes were obtained for the quasi-one-dimensional statement of the heat problem. Criterial relationships allow determination for operation temperatures of the high-current long cathodes. A method for optimization of the electrode thermal state was developed. Calculations by the criterial method correlate with the experimental results.