[Drake] Cooling fans - blow in or out?

[Steve Thompson]

Garey Barrell wrote:
> Steve -
>
> Disagree...  ALL the parts involved are designed for convective and
> radiative heat transfer..   The primary purpose of a fan for this type
> of equipment is to AID that "designed" cooling by moving the heated
> AIR (the heat transfer medium) as far away from the source as
> possible, allowing cooler air to come in behind it.  We're not trying
> to cool "surfaces" but remove heated air.
Yes, I agree - and I agreed with the points you made previously, but failed
to make it clear in my post. I didn't mean to suggest that the PA
compartment needed blowing, I was trying to highlight the difference between
cooling the compartment and cooling a big finned heatsink.

Cheers,

Steve



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