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Enhancement of jet-to-wall heat transfer using axisymmetric grooved impinging plates

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Title: Enhancement of jet-to-wall heat transfer using axisymmetric grooved impinging plates
Authors: Sagot, B.1 benoit.sagot@estaca.fr, Antonini, G.2, Buron, F.1
Source: International Journal of Thermal Sciences. Jun2010, Vol. 49 Issue 6, p1026-1030. 5p.
Subjects: Heat transfer, Structural plates, Nusselt number, Statistical correlation, Reynolds number, Cross-sectional method
Abstract: Abstract: An experimental investigation was carried out to examine the effects of axisymmetric lathe-worked grooves on the impinging jet-to-wall heat transfer, under constant wall temperature conditions. This study covers jet Reynolds numbers, based on the orifice diameter D, from 15 000 to 30 000, for a given jet-to-wall dimensionless distance H/D = 2. The grooves have either square or triangular cross-section, with depth c = 1 mm, and pitch p = 2 mm. Under these conditions, we obtained significant heat transfer enhancements, up to 81% as compared with the smooth plate reference case, for a value of the dimensionless plate radius R/D = 2, a jet Reynolds number Re j = 23 000, and for square cross-section lathe-worked grooves. [Copyright &y& Elsevier]
Copyright of International Journal of Thermal Sciences is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 49124140
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Enhancement of jet-to-wall heat transfer using axisymmetric grooved impinging plates
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  Data: <searchLink fieldCode="AR" term="%22Sagot%2C+B%2E%22">Sagot, B.</searchLink><relatesTo>1</relatesTo><i> benoit.sagot@estaca.fr</i><br /><searchLink fieldCode="AR" term="%22Antonini%2C+G%2E%22">Antonini, G.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Buron%2C+F%2E%22">Buron, F.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Thermal+Sciences%22">International Journal of Thermal Sciences</searchLink>. Jun2010, Vol. 49 Issue 6, p1026-1030. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Heat+transfer%22">Heat transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+plates%22">Structural plates</searchLink><br /><searchLink fieldCode="DE" term="%22Nusselt+number%22">Nusselt number</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+correlation%22">Statistical correlation</searchLink><br /><searchLink fieldCode="DE" term="%22Reynolds+number%22">Reynolds number</searchLink><br /><searchLink fieldCode="DE" term="%22Cross-sectional+method%22">Cross-sectional method</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: An experimental investigation was carried out to examine the effects of axisymmetric lathe-worked grooves on the impinging jet-to-wall heat transfer, under constant wall temperature conditions. This study covers jet Reynolds numbers, based on the orifice diameter D, from 15 000 to 30 000, for a given jet-to-wall dimensionless distance H/D = 2. The grooves have either square or triangular cross-section, with depth c = 1 mm, and pitch p = 2 mm. Under these conditions, we obtained significant heat transfer enhancements, up to 81% as compared with the smooth plate reference case, for a value of the dimensionless plate radius R/D = 2, a jet Reynolds number Re j = 23 000, and for square cross-section lathe-worked grooves. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Thermal Sciences is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.ijthermalsci.2009.12.011
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      – Code: eng
        Text: English
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        PageCount: 5
        StartPage: 1026
    Subjects:
      – SubjectFull: Heat transfer
        Type: general
      – SubjectFull: Structural plates
        Type: general
      – SubjectFull: Nusselt number
        Type: general
      – SubjectFull: Statistical correlation
        Type: general
      – SubjectFull: Reynolds number
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      – SubjectFull: Cross-sectional method
        Type: general
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      – TitleFull: Enhancement of jet-to-wall heat transfer using axisymmetric grooved impinging plates
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              M: 06
              Text: Jun2010
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              Y: 2010
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