EPJ Web Conf.
Volume 196, 2019XV All-Russian School-Conference of Young Scientists with International Participation “Actual Problems of Thermal Physics and Physical Hydrodynamics”
|Number of page(s)||4|
|Published online||14 January 2019|
Numerical investigations of stainless steel melt motions on the surface of uranium dioxide
Nuclear Safety Institute of the Russian Academy of Sciences, Novosibirsk Branch, 630090, Ak. Lavrentiev Ave., 1, Novosibirsk, Russia
* Corresponding author: email@example.com
Published online: 14 January 2019
The paper contains the results of numerical simulation of stainless steel melt motions on the surface of uranium dioxide. The investigations are performed for purposes of understanding of the fuel rod behavior during the core disruptive accident in the fast reactors. The systems of mass, energy and momentum conservation equations are solved to simulate melt motion on the surface of the fuel pin. Heat transfer and friction between melt and pin's surface and melt and coolant flow are taken into consideration. The dependences of mass of the melt and the features of the melt motion on coolant velocity and contact angle between melt and surface of the fuel rod are presented.
© The Authors, published by EDP Sciences, 2019
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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