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 Post subject: crazy silent fan
PostPosted: Sun Nov 17, 2002 7:12 am 
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Joined: Fri Nov 08, 2002 9:27 am
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http://www.software-ergonomie.com/e-luft1.htm

can you find a more silent one?


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PostPosted: Sun Nov 17, 2002 8:19 am 
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Fascianting idea! Thanks for the link! I'll see if one can be built for inclusion in the UBC Fan project - http://www.silentpcreview.com/modules.p ... =45&page=1


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 Post subject:
PostPosted: Sun Nov 17, 2002 8:23 am 
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air pump (silent) but with a very limited air flow

http://www.diann-bao.com.tw/prod01.htm


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PostPosted: Mon Nov 18, 2002 2:07 am 
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Location: Vancouver
stingpd wrote:
air pump (silent) but with a very limited air flow

http://www.diann-bao.com.tw/prod01.htm


Yeah it seems very limited or useless for computer cases: 15L/min, that's only 0.53 CFM.


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PostPosted: Mon Nov 18, 2002 5:45 am 
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Location: Melbourne, Australia
you could build one of these with a large surface area so that it may become a bit more effective.... maybe a fireplace blower could be used, very large and if you were to move it slowly enough it'd be silent.

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PostPosted: Sun Dec 01, 2002 10:27 pm 
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Has anyone thought about those ionic air fresheners from Sharper Image? Can their airflow be directed?


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 Post subject:
PostPosted: Mon Dec 02, 2002 3:15 am 
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Posts: 228
Location: Powell River, BC, Canada
Noren Products Enclosures ...came up recently in Article Reviews...
Quote:
"To make the units more compact and affordable, the ACL-RC series uses custom-tuned electrostatic air movers to assist in the removal of heat. The air movers stealthily pull air across the outer fins of our heat pipes, allowing us to use a smaller external fin stack."

I wonder what that's about? Electrostatic speaker? Electrostatic air propulsion like ionizers? Interesting any way you slice it...

Still, I think that subwoofers seem like the practical technology: Easy to drive with common circuits, cheap, efficient. I wonder if very light check valves could be used instead of the 'jet' effect. Would allow for true air pumping, like for CPU. Probably possible with proper tuning.


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 Post subject:
PostPosted: Fri Dec 13, 2002 8:22 am 
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Joined: Fri Aug 23, 2002 10:41 pm
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Location: Boston, MA
shunx wrote:
stingpd wrote:
air pump (silent) but with a very limited air flow

http://www.diann-bao.com.tw/prod01.htm


Yeah it seems very limited or useless for computer cases: 15L/min, that's only 0.53 CFM.


It also adds 14 W of heat to the case. Even if placed externally that's non-negligable.


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