Experiment of Natural Convection in a Hemispherical Cavity With Discrete Thermal Source.

Authors

  • Lutero Carmo de Lima Universidade Estadual do Ceará
  • Edsonei Pereira Parreira UFU
  • Marcony Silva Cunha Universidade Estadual do Ceará

Keywords:

Convecção térmica, convecção natural, convecção em cavidade.

Abstract

Natural convection heat transfer inside a hemispherical enclosure with discrete heat source at the center of its base was studied experimentally. A nickel thermoresistive film was used as heat source. Such utilization was advantageous because it allowed to simultaneously determine temperature and heat transfer. Correlation between Nusselt number and Rayleigh number over the range of 2.5 x 10 4 ? Ra ? 5 x 10 5 was obtained. Results and the obtained correlation were within ± 10% of similar cases in the current literature.

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How to Cite

de Lima, L. C., Parreira, E. P., & Cunha, M. S. (2009). Experiment of Natural Convection in a Hemispherical Cavity With Discrete Thermal Source. Revista Tecnologia, 25(2). Retrieved from https://ojs.unifor.br/tec/article/view/115

Issue

Vol. 25 No. 2 (2004)

Section

Artigos

License

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