>From: "Will Matney" <craxd1@verizon.net>
>Reply-To: craxd1@verizon.net
>To: amps@contesting.com
>Subject: Re: [Amps] Anodizing aluminum, painting etc.
>Date: Tue, 15 Aug 2006 03:07:03 -0400
>
>Peter,
>
>I agree on the math. The problem I see on using a black heatsink is that
>even
>though all heat is infrared, and there's a concentrated heat transfer from
>the device
>to the heatsink, using black supposedly helps this transfer. The problem
>arises in
>the day time, or around any source of infrared radiation in that the
>heatsink would
>absorb this radiation becoming hotter than would a silver surface which
>would reflect
>it off of it. The heatsink though would still radiate it's heat if silver.
>To my opinion,
>using a good thermal heatsink compound with a silver heatsink works
>probably better
Oh boy,
See second and third laws of thermodynamics.
Sam, W5LU
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