Published July 1982
| Version v1
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Finite elements for heat diffusion in heterogenous media with axial symmetry-temperature profile in the neighborhood of a hot penetration
Description
A computer program was developed in order to solve the Heat condution equation by means the finite element method. The program, named HEAT, was applied to some typical problems which have analytical solutions. The results by this program were further compared to those obtained by other computer programs that also use the finite element method. The main application of the HEAT program was the calculation of temperature profiles in a hot penetration of the contaiment building of Angra I. The results lead us to conclude that temperatures high enough to cause structural weakening of the contaiment concrete will not be reached, which is in accordance with A.C.I. regulations. (Author)
Availability note (English)
MF available from INIS under the Report Number.Abstract (Portuguese)
Foi desenvolvido, um programa de calculo para a solucao da equacao de conducao de calor utilizando o metodo de elementos finitos. O programa designado como HEAT, foi testado em alguns problemas tipicos que possuem solucoes analiticas. Os resultados gerados pelo programa HEAT foram tambem comparados com os obtidos por programas de calculos usando o metodo de elementos finitos. A principal utilizacao do programa HEAT constituiu-se no calculo dos perfis de temperatura numa penetracao quente no edificio de contencao de Angra I. Os resultados obtidos nos levaram a concluir que nao sao atingidas temperaturas que possam causar enfraquecimento estrutural ao concreto do edificio de contencao, de acordo com as normas do A.C.I. (Autor)Files
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Additional details
Additional titles
- Original title (Portuguese)
- Elementos finitos para a difusao de calor em meios heterogeneos com simetria axial-perfil de temperaturas na vizinhanca de uma penetracao quente
Publishing Information
- Imprint Pagination
- 82 p.
- Report number
- INIS-mf--7845
INIS
- Country of Publication
- Brazil
- Country of Input or Organization
- Brazil
- INIS RN
- 14742578
- Subject category
- S42: ENGINEERING; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
- Resource subtype / Literary indicator
- Thesis
- Descriptors DEI
- ANGRA-1 REACTOR; CONTAINMENT BUILDINGS; FINITE ELEMENT METHOD; H CODES; HEAT TRANSFER; SPATIAL DISTRIBUTION; THERMAL DIFFUSION
- Descriptors DEC
- COMPUTER CODES; CONTAINMENT; DISTRIBUTION; ENERGY TRANSFER; ENRICHED URANIUM REACTORS; NUMERICAL SOLUTION; POWER REACTORS; PWR TYPE REACTORS; REACTORS; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS