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Melhoria da condutividade térmica utilizando nanofluidos

Melhoria da condutividade térmica utilizando nanofluidos


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About the Book

Fluidos convencionais tais como água, etilenoglicol e Sódio são normalmente utilizados como fluidos de transferência de calor. Várias técnicas são aplicadas para melhorar a transferência de calor. A utilização de aditivos é uma técnica aplicada para melhorar o desempenho da transferência de calor de fluidos de base. Recentemente, como material inovador, foram utilizadas partículas do tamanho de nanómetro em suspensão de fluidos convencionais de transferência de calor. Neste projecto considerámos o problema do fluxo de convecção forçada de fluidos dentro de um tubo uniformemente aquecido que é submetido a um fluxo de calor constante e uniforme na parede. As taxas de transferência de calor são analisadas tanto para os fluidos de base como para os nano fluidos sob o mesmo número de Reynolds e fluxo de calor uniforme no tubo aquecido uniforme e o trabalho analítico é feito no software FLUENT 6.3. Neste projecto são seleccionados os três fluidos de base, nomeadamente água, etilenoglicol e Sódio. Para aumentar a taxa de transferência de calor dos referidos fluidos de base acima mencionados, foram escolhidas as nanopartículas de Alumínio, cobre e prata. E também é feito um trabalho comparativo entre os modelos de condutividade térmica.


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Product Details
  • ISBN-13: 9786205662380
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Edicoes Nosso Conhecimento
  • Height: 229 mm
  • No of Pages: 72
  • Spine Width: 4 mm
  • Width: 152 mm
  • ISBN-10: 6205662388
  • Publisher Date: 02 Feb 2023
  • Binding: Paperback
  • Language: Portuguese
  • Returnable: N
  • Weight: 168 gr


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