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AbstractAbstract
[en] Transients caused by accidents as (1) loss of coolant, (2) failure in the principal pump and (3) power excursions were analysed. In the accident simulation, the Relap 4/Mod 3 computer code was used. The results obtained with the steady state model showed to be consistent with the project-and operation data of the experimental loop. For all the accidents analysed that considered the performance of safety systems, the highest temperature of the heating rods in the testing section did not exceed the permissible temperature. (E.G.)
[pt]
Analisaram-se transientes decorrentes de acidentes como (1) perda de refrigerante, (2) falha na bomba principal, e (3) variacao na potencia. Na simulacao dos acidentes foi utilizado o codigo de computador Relap 4/Mod 3. Os resultados obtidos com o modelo para o estado estacionario mostraram-se consistentes com os dados de projeto e operacao do Circuito Experimental. Para todos os acidentes analisados que levaram emconsideracao a atuacao dos sistemas de seguranca, a temperatura maxima das barras de aquecimento da secao de testes nao ultrapassou a temperatura admissivel. (Autor)Original Title
Analise de eventuais acidentes em circuito experimental de agua, utilizando o codigo Relap 4
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Comissao Nacional de Energia Nuclear de Brasil, Rio de Janeiro; 352 p; 1981; p. 264-273; 2. National Meeting of Reactor Physics; Rio de Janeiro (Brazil); 13 - 15 Apr 1981
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Miscellaneous
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Conference
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