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DTU Studieprojekt - SEALION Software revision and benchmark for Molten Salt Reactor Simulations

Danmarks Tekniske Universitet (DTU)



SEALION Software revision and benchmark for Molten Salt Reactor Simulations

Udbyder
Vejleder
Sted
København og omegn
Background
The SEALION multiphysics code is being developed by Seaborg Technologies together with a consortium of partners in the EU-funded SEALION project. The general approach taken is to couple a well-established Monte Carlo code, MCNP, with a computational fluid dynamics (CFD) code. While current development focuses on OpenFOAM, the ambition is to create a tool that can function with generic CFD codes, as well as generic Monte Carlo codes. The SEALION tool achieves this coupling by pre-computing the neutronics behaviour and extracting it as a comprehensive set of Green functions. During the coupled transient simulations, these Green functions are called so that the computational speed is almost similar to that of a standalone CFD simulation.
Currently, the theoretical framework behind the SEALION tool is well developed and documented, and the project has progressed to the numerical implementation of the pre-computation routine in MCNP. When this is completed, an extensive benchmarking program will be conducted as a collaboration between Seaborg, Technical University of Denmark and Chalmers University of Technology. This project will aim to assist in this process, both the finalization of implementing the software and then testing it as a part of the benchmarking efforts with focus on the CFD implementation.

Project description
Development is ongoing to implement a realistic out-of-core model to a conjugate heat transfer solver in order to benchmark and validate the multi-physics coupling against results from the Molten Salt Reactor Experiment (MSRE). The model includes among other things a model of heat exchanger and the re-entry of delayed neutron precursors (DNPs). The intern is expected to validate benchmark and possibly improve the model.
Given her/his computer science background, the intern is expected to perform a review of the SEALION software suit and improve where needed. This review has the focus of improving the overall robustness and scalability of the software suit as well as enhancing the experience of the end-user.

Project Outline
1 - Literature study of already existing documentation within the SEALION framework and of the already existing multiphysics coupling schemes. Becoming familiar with OpenFOAM.
2 - The intern will get familiar with the CFD (OpenFOAM) implementation already existing within the SEALION framework and runs some simple test cases on an already existing geometry. The intern will set up a more realistic test case which resembles the MSRE setup using the in-house developed CHT solver. Afterwards benchmarking and validation can start by looking at the relevant quantities for CFD. The following software already exists within the SEALION framework.
3 - Development a robust framework for running the SEALION coupling module on a high-performance computer cluster (HPC) and revision of the SEALION software suit.
4 - Further benchmark of the SEALION simple test-module to established benchmarks such as the MSRE and MSFR (Molten Salt Fast Reactor).
5 - Application of the SEALION full Transient Fission Matrix solver established benchmarks such as MSRE and MSFR.
I samarbejde med
Seaborg Technologies, Chalmers University of Technology

Forudsætninger
Good knowledge of C++, python and HPC computing. Good knowledge in software architecture and design pattern

Emneord

  • Fysik
  • Materialer
  • Lasere
  • Mikro- og nanoteknologi
  • Optik
  • Sensorer
  • Nanopartikler
Tags
  • Neutronics
Kontakt
Virksomhed/organisation
DTU Fysik

Navn
Esben Bryndt Klinkby

Stilling
Seniorforsker

Mail
esbe@dtu.dk

Vejleder-info
Kandidatuddannelsen i Fysik og Nanoteknologi
Vejleder
Esben Bryndt Klinkby

Medvejledere
Jacob Groth-Jensen, Amalia Chambon

Type
Kandidatspeciale

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Danmarks Tekniske Universitet (DTU) - hurtigt overblik


Danmarks Tekniske Universitet (DTU)
Danmarks Tekniske Universitet (DTU)
DTU er et teknisk eliteuniversitet med international rækkevidde og standard. Vores mission er at udvikle og nyttiggøre naturvidenskab og teknisk videnskab til gavn for samfundet. 11.200 studerende uddanner sig her til fremtiden, og 6.000 medarbejdere har hver dag fokus på uddannelse, forskning, myndighedsrådgivning og innovation, som bidrager til øget vækst og velfærd.

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