title: Ð Ð°ÑÑÐµÑ Ð¿Ð¾Ð»Ñ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÑ Ð² ÐºÐ¾Ð½ÑÐµÐ¹Ð½ÐµÑÐµ Ð´Ð»Ñ ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð¾Ð±Ð»ÑÑÐµÐ½Ð½ÑÑ Ð³ÑÐ°ÑÐ¸ÑÐ¾Ð²ÑÑ Ð±Ð»Ð¾ÐºÐ¾Ð²
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Calculation of the temperature field in a container for transporting irradiated graphite blocks
Creators: name: Ð¡Ð¾ÐºÐ¾Ð»Ð¾Ð²Ð°, ÐÑÐ¸Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: Ð¾Ð±Ð»ÑÑÐµÐ½Ð½ÑÐ¹ Ð³ÑÐ°ÑÐ¸Ñ
ÐºÐ¾Ð½ÑÐµÐ¹Ð½ÐµÑ
Ð¿Ð¾Ð»Ðµ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÑ
ansys
ÑÐ¸ÑÐ»ÐµÐ½Ð½Ð¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
irradiated graphite
container
temperature field
numerical simulation

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description: The topic of the final qualifying work: "Calculation of the temperature field in a container for transporting irradiated graphite blocks". Currently, due to resource development, the task of gradual decommissioningof nuclear power plants with uranium graphite reactors and utilization of their structural elements, in particular, irradiated graphite blocks of the reactor core moderator, is urgent. The purpose of this work is to consider some issues of safe transportation of irradiated graphite blocks in specially designed containers to the place of their recycling or final disposal.Â To achieve this goal, the author of the work in the ANSYS application software package developed a mathematical model that allows calculating the non-stationary two-dimensional temperature field in a container with a body made of high-strength cast iron filled with irradiated blocks of graphite moderator extracted from the core of the RBMK-1000 nuclear reactor. The calculation of the non-stationary temperature state of the container is performed for emergency conditions of its operation, namely, for the case of falling into a fire in conditions close to the rules of the IAEA SSR-6. The variable parameters in the calculations were: 1) the coefficient of thermal conductivity of irradiated graphite; 2) the effective (taking into account the influence of convection) coefficient of thermal conductivity in air gaps.It is shown that during the stay of the container in the fire for 30 minutes, the maximum temperature of graphite blocks inside the container, depending on the conditions, can reach from 440 to 580 C.