| Issue |
MATEC Web Conf.
Volume 328, 2020
XXII. International Scientific Conference – The Application of Experimental and Numerical Methods in Fluid Mechanics and Energy 2020 (AEaNMiFMaE-2020)
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|---|---|---|
| Article Number | 03009 | |
| Number of page(s) | 7 | |
| Section | Special Experimental Methods in Fluid Mechanics and Energy | |
| DOI | https://doi.org/10.1051/matecconf/202032803009 | |
| Published online | 18 November 2020 | |
Analysis of Unsteady Behaviour of Natural Circulation Helium Loop
SjF STU in Bratislava, Institute of Energy Machinery, 81107 Bratislava, Slovakia
* Corresponding author: matej.vach@stuba.sk
This paper deals with the one-dimensional unsteady fluid flow model of the natural circulation loop. The presented model represents the experimental facility Helium Loop STU which is the physical model of an emergency coolant system of a nuclear reactor. The governing equations are solved according both Euler and Lagrange approaches on two parallel computational grids. Linearization of equations and semi-implicit discretization scheme are used to enhance the algorithm effectiveness. The simulation results were compared to experimental data. The model can be considered as high-accurate in comparison with experimental data (relative error 1.14÷1.15 % at specified time interval).
© The Authors, published by EDP Sciences, 2020
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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