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Thermal Management of Electronic Systems II pp 309–318Cite as

Modelling of Axial Fans for Electronic Equipment

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Abstract

The work presented concerns the modelling of a fan used for forced convection cooling of a subrack of printed board assemblies (PBAs) as a separate component for accurate CFD simulations.

Detailed measurements of the fan outlet velocity profile (axial, tangential and radial components) have been made for one fan operating point in a measurement set-up apart from the PBAs. CFD simulations have been made for a simplified version of a subrack, comparing a few elementary fan models.

Results show that incorporation of the hub into a model of the axial fan is necessary. The tangential velocity at the outlet is not negligible. The value of the radial velocity is small throughout the fan outlet plane and may be ignored in a CFD model.

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References

  1. H. BRUNEEL, B. BEERNAERT, G. MORTIER, J. DECLERCQ, B. BOESMANS, W. TEMMERMAN, W. NELEMANS, E. LAUWERS, “Supporting experiments for CFD based thermal design of telecommunication equipment”, Eurotherm Seminar no. 29, Delft, june 1993

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  2. W. TEMMERMAN, W. NELEMANS, T. GOOSSENS, “Air flow modelling requirements nearby fans.”, Flotherm user’s conference, Boston, may 1993

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  3. ANSI/AMCA 210-85,ANSI/ASHRAE 51-1985, “American National Standard: Laboratory methods of testing fans for rating.”, 1985

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Author information

Authors and Affiliations

  1. Dept werktuigkunde, K.U.Leuven, Celestijnenlaan 300 A, B-3001, Heverlee, Belgium

    J. Hennissen & J. Berghmans

  2. Alcatel Bell, F. Wellesplein 1, B-2018, Antwerpen, Belgium

    W. Temmerman & K. Allaert

Authors
  1. J. Hennissen
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  2. W. Temmerman
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  3. J. Berghmans
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  4. K. Allaert
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Editor information

Editors and Affiliations

  1. IMEC, Leuven, Belgium

    E. Beyne

  2. Philips B.V., Eindhoven, The Netherlands

    C. J. M. Lasance

  3. Catholic University Leuven, Leuven, Belgium

    J. Berghmans

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© 1997 Springer Science+Business Media Dordrecht

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Cite this paper

Hennissen, J., Temmerman, W., Berghmans, J., Allaert, K. (1997). Modelling of Axial Fans for Electronic Equipment. In: Beyne, E., Lasance, C.J.M., Berghmans, J. (eds) Thermal Management of Electronic Systems II. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5506-9_30

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  • DOI: https://doi.org/10.1007/978-94-011-5506-9_30

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-6318-0

  • Online ISBN: 978-94-011-5506-9

  • eBook Packages: Springer Book Archive

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