Impinging flow parallel plates heat sinks / Dissipadores termicos de placas paralelas com influxo de topo

AUTOR(ES)

Valter Cesar de Souza

DATA DE PUBLICAÇÃO

2005

RESUMO

The parallel plates heat sinks with top inlet and side exit constitute an enhanced heat transfer alternative for the local removal of electric power dissipation in microprocessors. In the present work, three parallel plates heat sinks were built and tested with variable airflow under the conditions of top inlet and side exit. The experimental results were compared with correlations from the literature and with results from three-dimensional numerical simulations. After the validation with the experimental results, the numeric model was used in an optimization procedure to obtain the heat sink number of fins for the maximum convective heat transfer. Two cases were considered, one based on a constant average inlet air velocity, and the other, on an assumed linear fan curve

ASSUNTO(S)

experimental data electronic apparatus and appliances side exit electronic apparatus and appliances controle de temperatura - estudos experimentais aparelhos e materiais eletronicos computer simulation aparelhos e materiais eletronicos - resfriamento heat sinks cooling mathematical optimization parallel plates control of temperature top inlet otimização matematica simulação (computadores) experimental studies controle de temperatura control of temperature

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