Re: cooling fan

On Tue, 30 Jan 2007 17:42:05 -0800, lerameur wrote:
Hello,

I have a module which requires a heatsink. I want to add a fan about 3
inches away. My dilmena is this. Should I be blowing air on the heat
sink, or should I be blowing air out of the enclosed module. I made
hole all around so there is a breathing space.


Depending on what kind of heat transfer you need, if you don't have any
ducting, I'd blow the air from the fan towards the heatsink. If you try
to suck the air away, a lot of it could miss the heatsink, unless, like
I say, you've got some kine of ducting.

A dust filter on the intake side of the fan would do no harm. :-)

Good Luck!
Rich

.

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