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Further developments of the simulation tool Z88ENSI for the independent assessment of the thermal and mechanical dimensioning of transport and storage casks

Title data

Roppel, Matthias ; Lange, Christopher ; Alber-Laukant, Bettina ; Tremmel, Stephan ; Rieg, Frank:
Further developments of the simulation tool Z88ENSI for the independent assessment of the thermal and mechanical dimensioning of transport and storage casks.
Eidgenössisches Nuklearsicherheitsinspektorat ENSI
In: ENSI Erfahrungs- und Forschungsbericht. (2020) . - pp. 259-265.
ISSN 1664-3178

Official URL: Volltext

Abstract in another language

The accurate determination of the tempera- ture field inside of spent fuel assembly storage and transport casks, also named as dual-pur- pose casks (DPC), is crucial for safety. However, the simulation-based determination is very time-consuming when, for example, various casks with different loadings and possible po- sitions have to be modelled. Within the scope of the current project, we have extended the approximate two-dimensional approach of Thermal Gap Conditions (TGC), which now allows the assessment of various three-di- mensional finite element based DCP models. We have implemented the extended approach in the simulation tool Z88ENSI. Since, the ex- isting code had to be refactored to a large extend, we have almost fully automated the workflow which increases the usability for the user. We were also able to implement the in- itial and handling position, besides the exist- ing storage and transportation position of the DCPs. Verification with commercial software
shows sufficiently accurate results. Validation is still pending and planned to be completed within beginning of the year 2021.

Further data

Item Type: Article in a journal
Refereed: No
Institutions of the University: Faculties > Faculty of Engineering Science > Former Professors > Chair Engineering Design and CAD - Univ.-Prof. Dr.-Ing. Frank Rieg
Faculties > Faculty of Engineering Science > Chair Engineering Design and CAD > Chair Engineering Design and CAD - Univ.-Prof. Dr.-Ing Stephan Tremmel
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 01 Jun 2021 07:30
Last Modified: 01 Jun 2021 07:30
URI: https://eref.uni-bayreuth.de/id/eprint/65593