| Issue |
EPJ Nuclear Sci. Technol.
Volume 2, 2016
|
|
|---|---|---|
| Article Number | 27 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/epjn/2016017 | |
| Published online | 31 May 2016 | |
https://doi.org/10.1051/epjn/2016017
Regular Article
Assessment of stainless steel 348 fuel rod performance against literature available data using TRANSURANUS code
1 LabRisco, University of São Paulo, Av. Prof. Mello Moraes 2231, São Paulo, SP, Brazil
2 NINE, Nuclear and Industrial Engineering, Borgo Giannotti 19, 55100 Lucca, Italy
3 Nuclear and Energy Research Institute - IPEN/CNEN, Nuclear Engineering Center – CEN, Av. Prof. Lineu Prestes 2242, São Paulo, SP, Brazil
4 UNIPI, University of Pisa, Largo L. Lazzarino 2, 56126 Pisa, Italy
⁎ e-mail: claudia.giovedi@labrisco.usp.br
Received:
13
October
2015
Received in final form:
29
February
2016
Accepted:
8
March
2016
Published online: 31 May 2016
Early pressurized water reactors were originally designed to operate using stainless steel as cladding material, but during their lifetime this material was replaced by zirconium-based alloys. However, after the Fukushima Daiichi accident, the problems related to the zirconium-based alloys due to the hydrogen production and explosion under severe accident brought the importance to assess different materials. In this sense, initiatives as ATF (Accident Tolerant Fuel) program are considering different material as fuel cladding and, one candidate is iron-based alloy. In order to assess the fuel performance of fuel rods manufactured using iron-based alloy as cladding material, it was necessary to select a specific stainless steel (type 348) and modify properly conventional fuel performance codes developed in the last decades. Then, 348 stainless steel mechanical and physics properties were introduced in the TRANSURANUS code. The aim of this paper is to present the obtained results concerning the verification of the modified TRANSURANUS code version against data collected from the open literature, related to reactors which operated using stainless steel as cladding. Considering that some data were not available, some assumptions had to be made. Important differences related to the conventional fuel rods were taken into account. Obtained results regarding the cladding behavior are in agreement with available information. This constitutes an evidence of the modified TRANSURANUS code capabilities to perform fuel rod investigation of fuel rods manufactured using 348 stainless steel as cladding material.
© C. Giovedi et al., published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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