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Pressure drop and fluid maldistribution analysis of a compact heat exchanger manufactured by 3D printing.

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Title: Pressure drop and fluid maldistribution analysis of a compact heat exchanger manufactured by 3D printing.
Authors: Strobel, M.1 (AUTHOR), Mortean, M.V.V.1 (AUTHOR) marcus.mortean@ufsc.br
Source: International Journal of Thermal Sciences. Feb2022:Part B, Vol. 172, pN.PAG-N.PAG. 1p.
Subjects: Pressure drop (Fluid dynamics), Selective laser sintering, Heat exchangers, Fluid pressure, Three-dimensional printing, Reynolds number, Vortex generators
Abstract: The current work focuses on evaluating the pressure drop and fluid maldistribution in a compact heat exchanger produced by additive manufacturing. A polymer prototype was produced using the selective laser sintering process (SLS). Experimental tests were performed in order to evaluate the pressure drop in the system and the fluid maldistribution in the header. The pressure drop tests were carried out at room temperature over a wide range of Reynolds numbers, from laminar to turbulence flow, totaling 76 experimental tests. A theoretical model was presented and validated to predict the pressure drop in the heat exchanger, with an average error of approximately 21%. To evaluate the fluid maldistribution, the header outlet was divided into 9 sections and experimentally tested at 18 flow levels twice, totaling 36 experiments. A modified coefficient of variation (CoV) was applied to estimate the fluid distribution in the header, this model was based on the pressure difference between the header inlet and the section outlet pressure. [ABSTRACT FROM AUTHOR]
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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DbLabel: Engineering Source
An: 153849864
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PubTypeId: academicJournal
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  Data: Pressure drop and fluid maldistribution analysis of a compact heat exchanger manufactured by 3D printing.
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  Data: <searchLink fieldCode="AR" term="%22Strobel%2C+M%2E%22">Strobel, M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mortean%2C+M%2EV%2EV%2E%22">Mortean, M.V.V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> marcus.mortean@ufsc.br</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Thermal+Sciences%22">International Journal of Thermal Sciences</searchLink>. Feb2022:Part B, Vol. 172, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Pressure+drop+%28Fluid+dynamics%29%22">Pressure drop (Fluid dynamics)</searchLink><br /><searchLink fieldCode="DE" term="%22Selective+laser+sintering%22">Selective laser sintering</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+exchangers%22">Heat exchangers</searchLink><br /><searchLink fieldCode="DE" term="%22Fluid+pressure%22">Fluid pressure</searchLink><br /><searchLink fieldCode="DE" term="%22Three-dimensional+printing%22">Three-dimensional printing</searchLink><br /><searchLink fieldCode="DE" term="%22Reynolds+number%22">Reynolds number</searchLink><br /><searchLink fieldCode="DE" term="%22Vortex+generators%22">Vortex generators</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The current work focuses on evaluating the pressure drop and fluid maldistribution in a compact heat exchanger produced by additive manufacturing. A polymer prototype was produced using the selective laser sintering process (SLS). Experimental tests were performed in order to evaluate the pressure drop in the system and the fluid maldistribution in the header. The pressure drop tests were carried out at room temperature over a wide range of Reynolds numbers, from laminar to turbulence flow, totaling 76 experimental tests. A theoretical model was presented and validated to predict the pressure drop in the heat exchanger, with an average error of approximately 21%. To evaluate the fluid maldistribution, the header outlet was divided into 9 sections and experimentally tested at 18 flow levels twice, totaling 36 experiments. A modified coefficient of variation (CoV) was applied to estimate the fluid distribution in the header, this model was based on the pressure difference between the header inlet and the section outlet pressure. [ABSTRACT FROM AUTHOR]
– 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.ijthermalsci.2021.107331
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Pressure drop (Fluid dynamics)
        Type: general
      – SubjectFull: Selective laser sintering
        Type: general
      – SubjectFull: Heat exchangers
        Type: general
      – SubjectFull: Fluid pressure
        Type: general
      – SubjectFull: Three-dimensional printing
        Type: general
      – SubjectFull: Reynolds number
        Type: general
      – SubjectFull: Vortex generators
        Type: general
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      – TitleFull: Pressure drop and fluid maldistribution analysis of a compact heat exchanger manufactured by 3D printing.
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            NameFull: Strobel, M.
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            NameFull: Mortean, M.V.V.
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          Dates:
            – D: 01
              M: 02
              Text: Feb2022:Part B
              Type: published
              Y: 2022
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              Value: 172
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            – TitleFull: International Journal of Thermal Sciences
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