Please use this identifier to cite or link to this item: https://repository.unej.ac.id/xmlui/handle/123456789/116015
Title: Safety Analysis of Pb-208 Cooled 800 MWt Modified CANDLE Reactors
Authors: SU'UD, Zaki
WIDIAWATI, Nina
SEKIMOTO, H.
A, Artoto
Keywords: Safety Analysis of Pb-208 Cooled 800 MWt Modified
Issue Date: 28-Feb-2017
Publisher: Journal of Physics: Conference Series
Abstract: Safety analysis of 800MWt Pb-208 cooled fast reactors with natural Uranium as fuel cycle input employing axial-radial combined Modiified CANDLE burnup scheme has been performed. The analysis of unprotected loss of flow(ULOF) and unprotected rod run-out transient overpower (UTOP) are discussed. Some simulations for 800 MWt Pb-208 cooled fast reactors has been performed and the results show that the reactor can anticipate complete pumping failure inherently by reducing power through reactivity feedback and remove the rest of heat through natural circulations. Compared to the Pb-nat cooled long life Fast Reactors, Pb 208 cooled reactors have smaller Doppler but higher coolant density reactivity coefficient. In the UTOP accident case the analysis has been performed against external reactivity up to 0.003dk/k. And for ULOHS case it is assumed that the secondary cooling system has broken. During all accident the cladding temperature is the most critical. Especially for the case of UTOP accident. In addition the steam generator design has also consider excess power which may reach 50% extra during severe UTOP case..
URI: https://repository.unej.ac.id/xmlui/handle/123456789/116015
Appears in Collections:LSP-Conference Proceeding

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