Dynamics of temperature fields during Wigner energy release in bulk graphite irradiated at low temperature; Journal of Nuclear Materials; Vol. 515

Dynamics of temperature fields during Wigner energy release in bulk graphite irradiated at low temperature; Journal of Nuclear Materials; Vol. 515

Bibliografske podrobnosti
Parent link:	Journal of Nuclear Materials Vol. 515.— 2019.— [P. 303–311]
Korporativna značnica:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение ядерно-топливного цикла
Drugi avtorji:	Pavlyuk (Pavliuk) A. O. Aleksander Olegovich, Kotlyarevsky S. G. Sergey Gennadjevich, Bespala E. V. Evgeniy (Evgeny) Vladimirovich, Novoselov I. Yu. Ivan Yurievich
Izvleček:	Title screen This paper is concerned with determination of parameters associated with release of the energy accumulated in irradiated graphite. These parameters define the conditions and possible consequences of the release – the heat effects, both in the course of the all types of uranium-graphite reactors (UGR) decommissioning work and during the entire irradiate graphite management process, including treatment, storage, and disposal of the graphite radioactive waste (GRW). Results of analysis of the magnitude and dynamics of maximum possible heat effects because of Wigner energy release in the graphite stack and in the volume of graphite parts loaded into large containers were presented. Results of modeling showed the most critical conditions from the standpoint of the potential heat effect values because of Wigner energy release in large volumes of the graphite irradiated at low temperature. Those conditions were achieved when the temperature of the entire graphite volume reached the temperature of self-induced stored energy release (the initiation temperature). In the case, the energy was released within the entire volume simultaneously. This path of accumulated energy release was characterized by the high annealing intensity, and under the heat transfer conditions with the air environment the temperature of graphite could reach the values inherent to adiabatic conditions, 800oС. Режим доступа: по договору с организацией-держателем ресурса
Jezik:	angleščina
Izdano:	2019
Teme:	электронный ресурс труды учёных ТПУ уран-графитовые реакторы энергия Вигнера тепловые эффекты
Online dostop:	https://doi.org/10.1016/j.jnucmat.2018.12.044
Format:	Elektronski Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=659130

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