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Design studies of ELECTRA: European Lead-Cooled Training Reactor
KTH, School of Engineering Sciences (SCI), Physics, Reactor Physics.
2012 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

A fast neutron research reactor with heavy metal coolant is of interest for Generation IV reactor system develop- ers. In this thesis, the European Lead-Cooled Training Reactor (ELECTRA), which is a low-power lead-cooled fast reactor intended for training purposes, is analyzed. The main aim of the design is that the total nominal power of 0.5 MWth is fully removed by natural circula- tion of the pure lead, eliminating the need for pumps. In order to achieve that, an uranium free inert matrix fuel is selected. Moreover, absorber elements are placed outside the core as a segment of slowly rotating drums. Neutronics and some relevant transient analysis of such a design are discussed.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2012. , 32 p.
Series
Trita-FYS, ISSN 0280-316X ; 2012:80
National Category
Other Physics Topics
Research subject
SRA - Energy
Identifiers
URN: urn:nbn:se:kth:diva-104650ISBN: 978-91-7501-529-3 (print)OAI: oai:DiVA.org:kth-104650DiVA: diva2:565710
Presentation
2012-11-19, Sal FA31, AlbaNova, Roslagstullsbacken 21, Stockholm, 13:00 (English)
Opponent
Supervisors
Funder
StandUp
Note

QC 20121108

Available from: 2012-11-08 Created: 2012-11-08 Last updated: 2013-04-18Bibliographically approved
List of papers
1. Electra: European Lead-Cooled Training Reactor
Open this publication in new window or tab >>Electra: European Lead-Cooled Training Reactor
2012 (English)In: Nuclear Technology, ISSN 0029-5450, E-ISSN 1943-7471, Vol. 177, no 3, 303-313 p.Article in journal (Refereed) Published
Abstract [en]

The design of a low-power fast neutron reactor cooled by liquid lead (ELECTRA) is presented. Application of (Pu,Zr)N fuel permits the design of a core with very small volume and fuel column height, resulting in highly negative coolant, fuel, and structure temperature coefficients and very low channel pressure drop. Full design power of 0.5 MW(thermal) may be completely removed by natural circulation in the primary circuit, thus eliminating the need for pumps. Analysis of flow stability and performance under unprotected transients show that the suggested design is very safe, supporting its intended use for training and educational purposes.

Keyword
lead-cooled fast reactor, natural convection, nitride fuel
National Category
Physical Sciences
Identifiers
urn:nbn:se:kth:diva-92052 (URN)000300969400002 ()2-s2.0-84859472318 (Scopus ID)
Note
QC 20120326Available from: 2012-03-26 Created: 2012-03-26 Last updated: 2017-12-07Bibliographically approved
2. Optimization of the reactivity control drum system of ELECTRA
Open this publication in new window or tab >>Optimization of the reactivity control drum system of ELECTRA
2012 (English)In: Nuclear Engineering and Design, ISSN 0029-5493, E-ISSN 1872-759X, Vol. 252, no 1, 209-214 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, an optimized control drum system for the European Lead Cooled Training Reactor (ELECTRA) is proposed. By changing the number of rotating drums from 6 to 12, we succeed in reducing the maximum rotational worth of a single drum from 4 $ to 1.64 $. As a consequence, the safety margin during reactivity insertions is significantly improved.

Place, publisher, year, edition, pages
Elsevier, 2012
Keyword
Optimized control, Reactivity control, Reactivity insertion, Rotating drums, Safety margin
National Category
Other Physics Topics
Identifiers
urn:nbn:se:kth:diva-104320 (URN)10.1016/j.nucengdes.2012.07.005 (DOI)000310040000024 ()2-s2.0-84866664379 (Scopus ID)
Note

QC 20121108. Correction in: Nuclear Engineering And Design, vol 255, Pages 376-376,

Doi: 10.1016/j.nucengdes.2012.11.001, WOS:000315839700039

ScopusID: 2-s2.0-84884902351

Available from: 2012-11-08 Created: 2012-10-31 Last updated: 2017-12-07Bibliographically approved

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