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- W3119572254 abstract "The first tests of the core channels in the EL4 power plant were performed on the various prototype channels. The results obtained on channel structure - force tubes and guide rods in particular - are briefly noted in the paper. The power plant tests began on 15 March 1966 with the start-up of the turbo-blowers of the CO{sub 2} circuit, tested on an experimental loop. These trials revealed the difficulties in coupling the various machines and led to the production of new vanes, but they also confirmed the capacity of the machines to withstand neutron irradiation. A second important series of trials was begun in November 1966: by means of electric heaters the CO{sub 2} circuit and the reactor block were heated to 240 Degree-Sign C (normal cold temperature of the circuit) so that the mechanical performance of these structures could be checked at this temperature. The reactor began to go into power operation in May 1967 after neutron tests in the cold. The paper gives the results of this operation up to September 1967. Also given are the results of tests made on the control-rod drive mechanisms, the heavy-water circuit, the filed-fuel element detection system, and the fuel handling equipment. (author) [French] Les premiers essais des elements du coeur de la centrale EL4 ont eu lieu sur les differents canaux prototypes. Les auteurs rappellent brievement les resultats obtenus sur les structures du canal : tubes de force et tubes de guidage en particulier. Les essais de la centrale proprement dite ont demarre le 15 mars 1966, a la mise en route des turbo- soufflantes du circuit de gaz carbonique essayees sur boucle d'essais. Ces essais ont mis en evidence des difficultes de couplage des differentes machines qui ont abouti a la mise en fabrication de nouveaux rouets, mais ils ont egalement permis une verification de bonne endurance des machines avant neutrons. Une deuxieme phase importante d'essais a eu lieu en novembre 1966; grace a un chauffage electrique, l'ensemble du circuit de CO{sub 2} et du bloc pile a ete portee a 240 Degree-Sign (temperature nominale froide du circuit) et le bon comportement mecanique de ces structures a pu etre verifie a cette temperature. Enfin, la montee en puissance du reacteur a debute en mai 1967, apres essais neutroniques a froid. Les auteurs donnent les resultats de cette montee en puissance avant septembre 1967. Ils resument egalement les resultats des essais faits sur les mecanismes de controle, le circuit d'eau ' lourde, le circuit de detection des ruptures de gaines, la manutention du combustible. (author)" @default.
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- W3119572254 date "1968-04-15" @default.
- W3119572254 modified "2023-09-27" @default.
- W3119572254 title "Testing of the EL4 Power Plant; Essais de la Centrale EL4" @default.
- W3119572254 hasPublicationYear "1968" @default.
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