Metodologia de Projeto Eletrotérmico de Leds Aplicada ao Desenvolvimento de Sistemas de Iluminação
DOI:
https://doi.org/10.18618/REP.2013.2.9911000Keywords:
Diodos Emissores de Luz, Elementos Finitos, Fluidodinâmica computacional, Modelo eletrotérmico, Projeto térmico, Transferência de calorAbstract
Este trabalho apresenta uma metodologia de projeto eletrotérmico de diodos emissores de luz (LEDs) que tem o objetivo de proporcionar indicativos do melhor ponto de operação do LED, considerando seus aspectos térmicos, elétricos e fotométricos. A metodologia está baseada em um modelo eletrotérmico e através de uma análise matemática apresenta resultados teóricos para o projeto de sistemas de iluminação. Exemplos de projeto são desenvolvidos, os resultados teóricos são comparados com simulações computacionais da dinâmica dos fluidos utilizando o método de elementos finitos e por fim comprovados através de resultados experimentais.
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