| Issue |
E3S Web Conf.
Volume 592, 2024
International Scientific Conference Energy Management of Municipal Facilities and Environmental Technologies (EMMFT-2024)
|
|
|---|---|---|
| Article Number | 03009 | |
| Number of page(s) | 6 | |
| Section | Energy Production, Storage, and Distribution | |
| DOI | https://doi.org/10.1051/e3sconf/202459203009 | |
| Published online | 20 November 2024 | |
Modeling of the temperature field and thermal stresses of a fuel element with variable volumetric heat release
Sergo Ordzhonikidze Russian State University for Geological Prospecting, 117997, Miklouho-Maclay St. 23., Moscow, Russia
* Corresponding author: kanareykins@mail.ru
The work is devoted to improving the reliability of the fuel element design. The paper considers the thermally stressed state of fuel rods when their geometric shape changes. The main purpose of the article is to determine the temperature field of a fuel element with variable volumetric heat release under a boundary condition of the first kind for determining thermal stresses. It takes into account the coordinate dependence of heat release. The behaviour of the temperature field is also analysed by its cross section. It is established that the temperature difference between the centre of the fuel element and its surface is parabolic in nature. This opens up the possibility of reducing temperature stresses in fuel rods with a coordinate dependence of volumetric heat release.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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