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German Contribution to Item 2 of the Agenda “Status of ... - IAEA

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Lehrstuhl für Reak<strong>to</strong>rsicherheit und –technik<br />

Univ.-Pr<strong>of</strong>. Dr. rer. nat. Hans-Josef Allelein<br />

Institut für Energie- und Klimaforschung<br />

Nukleare Entsorgung und Reak<strong>to</strong>rsicherheit (IEK-6)<br />

Comparison <strong>of</strong> STACY and Intera<strong>to</strong>m Results (2)<br />

DLOFC: Cumulative relative release fraction <strong>of</strong> core inven<strong>to</strong>ry after 200 h<br />

Design<br />

Expected<br />

Nuclide<br />

STACY<br />

+90°C Nom. temperature +90°C Nom. temperature<br />

FRESCO-I<br />

(Intera<strong>to</strong>m)<br />

STACY<br />

FRESCO-I<br />

(Intera<strong>to</strong>m)<br />

STACY<br />

FRESCO-I<br />

(Intera<strong>to</strong>m)<br />

STACY<br />

FRESCO-I<br />

(Intera<strong>to</strong>m)<br />

Cs-137 2.6x10 -5 8.4x10 -5 4.8x10 -6 8.4x10 -5 7.8x10 -6 5.1x10 -5 6.0x10 -7 9.0x10 -6<br />

I-131 5.3x10 -5 2.9x10 -5 2.1x10 -5 1.2x10 -5 5.0x10 -6 9.1x10 -6 3.2x10 -6 1.1x10 -6<br />

DLOFC …<br />

Depressurized Loss <strong>of</strong> Forced Cooling accident<br />

2<br />

: N. N.: Aktivitätsfreisetzung und Strahlenexposition bei der HTR-Modul-Kraftwerksanlage Teil II: Störfälle,<br />

HTR-Modul Kraftwerk Konzeptbegutachtungsunterlagen, Band 4, Siemens Intera<strong>to</strong>m, 1988<br />

H.-J. Allelein<br />

TWG-GCR-23<br />

March 5-7, 2013, Vienna<br />

32

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