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dc.contributor.author Almeida, Jorge Alberto
dc.contributor.author Mendes, Paulo Roberto de Souza
dc.date.accessioned 2015-07-10T16:02:02Z
dc.date.available 2015-07-10T16:02:02Z
dc.date.issued 1992
dc.identifier.citation ALMEIDA, J. A.; MENDES, P. R. S. Local and average transport coefficients for the turbulent flow in internally ribbed Tubes. Experimental Thermal and Fluid Science, v. 5, n. 4, p. 513-523. Disponível em: <http://ac.els-cdn.com/0894177792900387/1-s2.0-0894177792900387-main.pdf?_tid=57850b5a-1f49-11e5-8ad9-00000aacb35d&acdnat=1435683736_d3a3f465b27860674919d587b3470285> Acesso em: 30. jun. 2015. pt_BR
dc.identifier.issn 0894-1777
dc.identifier.uri http://repositorio.furg.br/handle/1/5109
dc.description.abstract Heat transfer coefficients and pressure drop data were determined experimentally for the turbulent flow in circular ducts equipped with internal transverse ribs, that is, ribs normal to the flow. Both fully developed and entrance region results were obtained. Also, both local and per-cycle average heat transfer results were determined. The naphthalene sublimation technique was employed in the experiments. The effects of rib height, rib spacing, and Reynolds number were investigated. The friction factor is shown to increase with rib height and to decrease with rib spacing in the range investigated. The local heat transfer results revealed, for most cases investigated, that the film coefficient in a cycle increases in the axial direction up to a maximum value. Then it decreases mildly up to a local minimum, increasing from this axial position to the" end of the cycle. pt_BR
dc.language.iso eng pt_BR
dc.rights restrict access pt_BR
dc.subject Turbulent Flow pt_BR
dc.subject Transverse Ribs pt_BR
dc.subject Heat Transfer Augmentation pt_BR
dc.subject Naphthalene Sublimation Technique pt_BR
dc.title Local and average transport coefficients for the turbulent flow in internally ribbed tubes pt_BR
dc.type article pt_BR
dc.identifier.doi 10.1016/0894-1777(92)90038-7 pt_BR


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