Published July 1982 | Version v1
Miscellaneous Open

Analysis of dynamic behavior of a PWR utilizing the computer program SARDAN 2

Description

In the design of a PWR nuclear plant it is necessary to verify if the design limits are respected, even under abnormal operation condition. An evolution of SARDAN code, developed to simulate transients in PWR, are presented. The new aspects incorporeted in SARDAN 2 are: the fuel ROD analysis in finite-diference, an open channel model for the critic subchannel analysis and the introduction of a simplified model for the automatic control system. The program has been tested in accident condition II, in special, uncontrolled ROD cluster assembly bank withoraw, dropped full-length assembly group, uncontrolled Boron dilution, and the results obtained were considered satisfactory. (Author)

Availability note (English)

MF available from INIS under the Report Number.

Abstract (Portuguese)

No projeto de uma usina nuclear PWR, e necessario verificar se os limites de projeto dos seus componentes sao respeitados mesmo em condicoes de operacao anormal. Apresenta-se uma evolucao do programa Sardan, desenvolvido para simulacao de transitorios em PWR' sub(s). Os novos aspectos incorporados na versao Sardan 2, sao: analise da vareta de combustivel ou diferencas finitas, modelo de canal aberto para o subcanal critico e implantacao de um modelo simplificado para o sistema de controle automatico. O programa foi testado em acidentes condicao II, em particular, retirada descontrolada de um conjunto de barras de controle, queda de um conjunto de barras de controle, diluicao descontrolada de boro, e os resultados obtidos considerados satisfatorios. (Autor)

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Additional details

Additional titles

Original title (Portuguese)
Analise do comportamento dinamico de um PWR utilizando o programa SARDAN 2

Publishing Information

Imprint Pagination
276 p.
Report number
INIS-mf--7856

INIS

Country of Publication
Brazil
Country of Input or Organization
Brazil
INIS RN
14742981
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Thesis
Descriptors DEI
FUEL RODS; PWR TYPE REACTORS; S CODES; SIMULATION; TRANSIENTS
Descriptors DEC
COMPUTER CODES; FUEL ELEMENTS; REACTOR COMPONENTS; REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS