Conference paper Open Access
Ponomarev Alexander; Mikityuk Konstantin
<?xml version='1.0' encoding='UTF-8'?> <record xmlns="http://www.loc.gov/MARC21/slim"> <leader>00000nam##2200000uu#4500</leader> <controlfield tag="005">20200120172623.0</controlfield> <controlfield tag="001">3262074</controlfield> <datafield tag="711" ind1=" " ind2=" "> <subfield code="d">19-24 May 2019</subfield> <subfield code="g">ICONE27</subfield> <subfield code="a">27th International Conference on Nuclear Engineering</subfield> <subfield code="c">Tsukuba, Ibaraki, Japan</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">PSI, Switzerland</subfield> <subfield code="a">Mikityuk Konstantin</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="s">1449797</subfield> <subfield code="z">md5:17fba3dc2c058d53f0e196ec4d98b3a5</subfield> <subfield code="u">https://zenodo.org/record/3262074/files/2019.05_Ponomarev_ICONE.pdf</subfield> </datafield> <datafield tag="542" ind1=" " ind2=" "> <subfield code="l">open</subfield> </datafield> <datafield tag="260" ind1=" " ind2=" "> <subfield code="c">2019-06-29</subfield> </datafield> <datafield tag="909" ind1="C" ind2="O"> <subfield code="p">openaire</subfield> <subfield code="o">oai:zenodo.org:3262074</subfield> </datafield> <datafield tag="100" ind1=" " ind2=" "> <subfield code="u">PSI, Switzerland</subfield> <subfield code="a">Ponomarev Alexander</subfield> </datafield> <datafield tag="245" ind1=" " ind2=" "> <subfield code="a">Analysis of hypothetical unprotected loss of flow in Superphénix start-up core: sensitivity to modeling details</subfield> </datafield> <datafield tag="536" ind1=" " ind2=" "> <subfield code="c">754501</subfield> <subfield code="a">European Sodium Fast Reactor Safety Measures Assessment and Research Tools</subfield> </datafield> <datafield tag="540" ind1=" " ind2=" "> <subfield code="u">https://creativecommons.org/licenses/by/4.0/legalcode</subfield> <subfield code="a">Creative Commons Attribution 4.0 International</subfield> </datafield> <datafield tag="650" ind1="1" ind2="7"> <subfield code="a">cc-by</subfield> <subfield code="2">opendefinition.org</subfield> </datafield> <datafield tag="520" ind1=" " ind2=" "> <subfield code="a"><p>The Superph&eacute;nix (SPX) Sodium Fast Reactor (SFR) core&nbsp;behaviour in a hypothetical Unprotected Loss Of Flow&nbsp;(ULOF) transient scenario is simulated and the impact of the&nbsp;core modelling options on the results are assessed. The&nbsp;analysis has been performed using the TRACE system code&nbsp;modified for the fast reactor applications using a point kinetics neutronics model and 1D multichannel<br> thermal-hydraulic model. The SPX start-up core&nbsp;benchmark specification was used&nbsp;for calculation of neutron physics data employed as input in&nbsp;the TRACE simulations. The analysis covered transient&nbsp;simulation before sodium boiling onset. The influence of&nbsp;control rod drive lines (CRDL) expansion reactivity effect on&nbsp;the grace time before boiling was found to be significant.&nbsp;Series of calculations have been performed in order to assess&nbsp;sensitivity of the results to the core specification data and&nbsp;modelling details in both thermal hydraulics and neutronics&nbsp;inputs. In particular, two different models representing fuel&nbsp;subassemblies (three-channel and multichannel) have been&nbsp;employed. In addition, the influence of reactivity effects&nbsp;uncertainty on transient behaviour has been assessed, as well&nbsp;as sensitivity of the results to account for the spatial&nbsp;distribution of reactivity effects in the core. The results of this&nbsp;study serve further as a basis for the transient benchmark&nbsp;exercise proposed by Ponomarev, et al., 2018 within the&nbsp;framework of the Horizon-2020 ESFR-SMART project.</p></subfield> </datafield> <datafield tag="773" ind1=" " ind2=" "> <subfield code="n">doi</subfield> <subfield code="i">isVersionOf</subfield> <subfield code="a">10.5281/zenodo.3262073</subfield> </datafield> <datafield tag="024" ind1=" " ind2=" "> <subfield code="a">10.5281/zenodo.3262074</subfield> <subfield code="2">doi</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">publication</subfield> <subfield code="b">conferencepaper</subfield> </datafield> </record>
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