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Air-driven equipment cooling fan?

Discussion in 'Electronic Design' started by Stefan Simion, Jul 20, 2006.

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  1. Hello,

    I am looking for a 'small' (say, up to 10-15 cm diameter) axial
    cooling fan, which would be powered by compressed air. Does anyone
    make such a thing ? In general how to provide more or less
    uniform air cooling of an enclosure, without using electrical-driven
    fans ?

    Thank you
    Stefan Simion
     
  2. -berlin.de

    -berlin.de Guest

    There must be more efficient ways to generate an air stream from
    compressed air than running a fan.

    Anno
     
  3. Nobody is going to bother to do this. Just use the air, with a venturi, to
    generate the required volume. More efficient than having an air motor, and
    then a fan, both with losses.
    Look at:
    http://www.iprocessmart.com/itw/cool.htm

    Who are specialists in designing air powered cooling, ranging from venturi
    systems, through vortex systems (allow cooling below the ambient air
    temperature), right up to pumped heat exchangers.

    Best Wishes
     
  4. Have a look at this site....
    http://www.tech-sales.com/Nex_Flow/cabinet_cooler.htm it may be a better
    solution. By using this device you are feeding what could be
    filtered/de-watered air into the enclosure with pressurisation of the
    enclosure to eliminate ingress of dust/contaminants, etc.

    Google "compressed air venturi mover" and "compressed air venturi conveyor"
    and see what you can find.
    Here is a link to one unit...
    http://www.abgpl.com.au/prod92.htm
    and more.....
    http://news.thomasnet.com/fullstory/29656/1029
    http://www.sunbeltrentals.com/catalog/fr_content_productsubgroup.aspx?pgtype=prdsubgrp&pg=9&psg=239

    If you direct direct a 1/8" nozzle down a 6" tube you will create air flow
    through the tube at a n air volume significantly higher then the volume out
    of the nozzle. Air motors are going to be noisy and require maintenance, an
    air nozzle can be designed to make very little noise and maintenance is VERY
    minimal.

    Hope you find some use from the above.
     
  5. Try a Vortex cooler.
    Vortec or Exair.

    --
    Many thanks,

    Don Lancaster voice phone: (928)428-4073
    Synergetics 3860 West First Street Box 809 Thatcher, AZ 85552
    rss: http://www.tinaja.com/whtnu.xml email:

    Please visit my GURU's LAIR web site at http://www.tinaja.com
     
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