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Effect of fin pitches on the air-side performance of L-footed spiral fin-and-tube heat exchangers

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Title: Effect of fin pitches on the air-side performance of L-footed spiral fin-and-tube heat exchangers
Authors: Pongsoi, Parinya1, Promoppatum, Patcharapit1, Pikulkajorn, Santi2, Wongwises, Somchai1,3 somchai.won@kmutt.ac.th
Source: International Journal of Heat & Mass Transfer. Apr2013, Vol. 59, p75-82. 8p.
Subjects: Heat exchangers, Performance evaluation, Heat transfer, Reynolds number, Pressure drop (Fluid dynamics), Industrial applications, Statistical correlation, Experiments
Abstract: Abstract: The purpose of this experimental investigation is to investigate the effects of fin pitch (i.e., fp of 2.4, 3.2, and 4.2mm) on the air-side heat transfer performance and frictional characteristics of L-footed spiral fin-and-tube heat exchangers at high Reynolds numbers (Redc ) of 4000–15,000. A determinant of the parallel cross-flow and the counter cross-flow is the flow arrangement of the test heat exchangers. Ambient air and hot water are used as a working fluid on the air- and the tube-side, respectively. The results indicate that the air-side heat transfer coefficient and Colburn factor are independent of fin pitch. However, fin pitch does have an influential effect on the average heat transfer rate, pressure drop, and friction factor. In terms of industrial applications, the correlation of the Colburn factor and friction factor are proposed for practical applications. [Copyright &y& Elsevier]
Copyright of International Journal of Heat & Mass Transfer is the property of Pergamon Press - An Imprint of Elsevier Science 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: 85420676
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Effect of fin pitches on the air-side performance of L-footed spiral fin-and-tube heat exchangers
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  Data: <searchLink fieldCode="DE" term="%22Heat+exchangers%22">Heat exchangers</searchLink><br /><searchLink fieldCode="DE" term="%22Performance+evaluation%22">Performance evaluation</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+transfer%22">Heat transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Reynolds+number%22">Reynolds number</searchLink><br /><searchLink fieldCode="DE" term="%22Pressure+drop+%28Fluid+dynamics%29%22">Pressure drop (Fluid dynamics)</searchLink><br /><searchLink fieldCode="DE" term="%22Industrial+applications%22">Industrial applications</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+correlation%22">Statistical correlation</searchLink><br /><searchLink fieldCode="DE" term="%22Experiments%22">Experiments</searchLink>
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  Data: Abstract: The purpose of this experimental investigation is to investigate the effects of fin pitch (i.e., fp of 2.4, 3.2, and 4.2mm) on the air-side heat transfer performance and frictional characteristics of L-footed spiral fin-and-tube heat exchangers at high Reynolds numbers (Redc ) of 4000–15,000. A determinant of the parallel cross-flow and the counter cross-flow is the flow arrangement of the test heat exchangers. Ambient air and hot water are used as a working fluid on the air- and the tube-side, respectively. The results indicate that the air-side heat transfer coefficient and Colburn factor are independent of fin pitch. However, fin pitch does have an influential effect on the average heat transfer rate, pressure drop, and friction factor. In terms of industrial applications, the correlation of the Colburn factor and friction factor are proposed for practical applications. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Heat & Mass Transfer is the property of Pergamon Press - An Imprint of Elsevier Science 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.ijheatmasstransfer.2012.11.071
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 75
    Subjects:
      – SubjectFull: Heat exchangers
        Type: general
      – SubjectFull: Performance evaluation
        Type: general
      – SubjectFull: Heat transfer
        Type: general
      – SubjectFull: Reynolds number
        Type: general
      – SubjectFull: Pressure drop (Fluid dynamics)
        Type: general
      – SubjectFull: Industrial applications
        Type: general
      – SubjectFull: Statistical correlation
        Type: general
      – SubjectFull: Experiments
        Type: general
    Titles:
      – TitleFull: Effect of fin pitches on the air-side performance of L-footed spiral fin-and-tube heat exchangers
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Pongsoi, Parinya
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          Name:
            NameFull: Promoppatum, Patcharapit
      – PersonEntity:
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            NameFull: Pikulkajorn, Santi
      – PersonEntity:
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            NameFull: Wongwises, Somchai
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          Dates:
            – D: 01
              M: 04
              Text: Apr2013
              Type: published
              Y: 2013
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              Value: 00179310
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              Value: 59
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            – TitleFull: International Journal of Heat & Mass Transfer
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