TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
annular pellet [1 record]
Record 1 - internal organization data 2010-06-30
Record 1, English
Record 1, Subject field(s)
- Energy Transformation
- Nuclear Fission Reactors
Record 1, Main entry term, English
- annular pellet
1, record 1, English, annular%20pellet
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- annular fuel pellet 2, record 1, English, annular%20fuel%20pellet
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The shape and size of the pellets differs for different reactors but in the U.K. there are only 2 different designs. Solid pellets are used in most PWRs [pressurized water reactor] and annular pellets are used in AGRs [advanced gas reactor]. Annular pellets have a cylindrical hole running through the centre of the pellet and thus require a retractable pin in the press. The purpose of this hole is to accommodate distortions in the fuel and fission gasses formed in the reactor. Once the pellets have been pressed, they are sintered at 1750°C in a reducing atmosphere of hydrogen or a mixture of hydrogen and nitrogen ... 1, record 1, English, - annular%20pellet
Record 1, French
Record 1, Domaine(s)
- Transformation de l'énergie
- Réacteurs nucléaires de fission
Record 1, Main entry term, French
- pastille annulaire
1, record 1, French, pastille%20annulaire
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- pastille de combustible annulaire 2, record 1, French, pastille%20de%20combustible%20annulaire%20
correct, feminine noun
- pastille combustible annulaire 3, record 1, French, pastille%20combustible%20annulaire
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
[Conception des combustibles REP] Les pastilles [...] représentent la partie active du combustible. Ce sont des petits cylindres - diamètre variant selon les conceptions de 8 à 10 mm et hauteur de 10 à 15 mm - obtenus par pressage et frittage de poudre d'oxyde d'uranium UO2 [...] Ces pastilles sont généralement pleines, sauf dans les réacteurs VVER où elles peuvent comporter un trou central (pastilles annulaires). 1, record 1, French, - pastille%20annulaire
Record 1, Spanish
Record 1, Textual support, Spanish
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