Predicting thermo-mechanical behaviour of high minor actinide content composite oxide fuel in a dedicated transmutation facility

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Predicting thermo-mechanical behaviour of high minor actinide content composite oxide fuel in a dedicated transmutation facility. / Lemehov, Sergei; Sobolev, Vitaly; Verwerft, Marc.

In: Journal of Nuclear Materials, Vol. 416, No. 1-2, 15.09.2011, p. 179-191.

Research output: Contribution to journalArticlepeer-review

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@article{1f13459010764462a1f03f8783697839,
title = "Predicting thermo-mechanical behaviour of high minor actinide content composite oxide fuel in a dedicated transmutation facility",
abstract = "The European Facility for Industrial Transmutation (EFIT) of the minor actinides (MA), from LWR spent fuel is being developed in the integrated project EUROTRANS within the 6th Framework Program of EURATOM. Two composite uranium-free fuel systems, containing a large fraction of MA, are proposed as the main candidates: a CERCER with magnesia matrix hosting (Pu,MA)O2-x particles, and a CERMET with metallic molybdenum matrix. The long-term thermal and mechanical behaviour of the fuel under the expected EFIT operating conditions is one of the critical issues in the core design. To make a reliable prediction of long-term thermo-mechanical behaviour of the hottest fuel rods in the lead-cooled version of EFIT with thermal power of 400 MW, different fuel performance codes have been used. This study describes the main results of modelling the thermo-mechanical behaviour of the hottest CERCER fuel rods with the fuel performance code MACROS which indicate that the CERCER fuel residence time can safely reach at least 4–5 effective full power years.",
keywords = "EFIT, CERCER, MgO, DIN-1.4970, T91, swelling, thermalmechanical behaviour",
author = "Sergei Lemehov and Vitaly Sobolev and Marc Verwerft",
note = "Score = 10",
year = "2011",
month = sep,
day = "15",
doi = "10.1016/j.jnucmat.2010.11.100",
language = "English",
volume = "416",
pages = "179--191",
journal = "Journal of Nuclear Materials",
issn = "0022-3115",
publisher = "Elsevier",
number = "1-2",

}

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TY - JOUR

T1 - Predicting thermo-mechanical behaviour of high minor actinide content composite oxide fuel in a dedicated transmutation facility

AU - Lemehov, Sergei

AU - Sobolev, Vitaly

AU - Verwerft, Marc

N1 - Score = 10

PY - 2011/9/15

Y1 - 2011/9/15

N2 - The European Facility for Industrial Transmutation (EFIT) of the minor actinides (MA), from LWR spent fuel is being developed in the integrated project EUROTRANS within the 6th Framework Program of EURATOM. Two composite uranium-free fuel systems, containing a large fraction of MA, are proposed as the main candidates: a CERCER with magnesia matrix hosting (Pu,MA)O2-x particles, and a CERMET with metallic molybdenum matrix. The long-term thermal and mechanical behaviour of the fuel under the expected EFIT operating conditions is one of the critical issues in the core design. To make a reliable prediction of long-term thermo-mechanical behaviour of the hottest fuel rods in the lead-cooled version of EFIT with thermal power of 400 MW, different fuel performance codes have been used. This study describes the main results of modelling the thermo-mechanical behaviour of the hottest CERCER fuel rods with the fuel performance code MACROS which indicate that the CERCER fuel residence time can safely reach at least 4–5 effective full power years.

AB - The European Facility for Industrial Transmutation (EFIT) of the minor actinides (MA), from LWR spent fuel is being developed in the integrated project EUROTRANS within the 6th Framework Program of EURATOM. Two composite uranium-free fuel systems, containing a large fraction of MA, are proposed as the main candidates: a CERCER with magnesia matrix hosting (Pu,MA)O2-x particles, and a CERMET with metallic molybdenum matrix. The long-term thermal and mechanical behaviour of the fuel under the expected EFIT operating conditions is one of the critical issues in the core design. To make a reliable prediction of long-term thermo-mechanical behaviour of the hottest fuel rods in the lead-cooled version of EFIT with thermal power of 400 MW, different fuel performance codes have been used. This study describes the main results of modelling the thermo-mechanical behaviour of the hottest CERCER fuel rods with the fuel performance code MACROS which indicate that the CERCER fuel residence time can safely reach at least 4–5 effective full power years.

KW - EFIT

KW - CERCER

KW - MgO

KW - DIN-1.4970

KW - T91

KW - swelling

KW - thermalmechanical behaviour

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_115383

UR - http://knowledgecentre.sckcen.be/so2/bibref/8244

U2 - 10.1016/j.jnucmat.2010.11.100

DO - 10.1016/j.jnucmat.2010.11.100

M3 - Article

VL - 416

SP - 179

EP - 191

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

SN - 0022-3115

IS - 1-2

ER -

ID: 360864