Are you saying white paint outperformed heat shields? That's awesome info. I always thought heart shields were the best.
On Fri, Jul 13, 2018, 7:43 PM <[email protected]> wrote: > I did a bunch of trials one summer testing a variety of methods including > heat shields, exterior insulation, interior insulation, convection > ventilation, forced ventilation, peltier effect active cooling. > > #1 by a long shot is painting the enclosure bright white. > > > *From:* Bill Prince > *Sent:* Friday, July 13, 2018 6:37 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] How to reliably cool a small enclosure in direct > sunlight? > > > 1. Add a thermostatically controlled ventilation fan > > 2. Put a heat shield up on the south side of the enclosure. This can be > just a plate of aluminum, painted white on the sun side, and mounted to the > enclosure with 1" standoffs > > We have a site like yours, and just the fan keeps the temperature below > 120° F (49° C). I think if we added the heat shield we could drop it > another 10° F. > > > > bp > <part15sbs{at}gmail{dot}com> > > > On 7/13/2018 4:51 PM, Sterling Jacobson wrote: > > I’ve got a few side of the house enclosures exposed to direct sunlight > part of the day. > > > > Inside the electronics are about ready to melt. Like 90C+ CPU temps. > > > > These are about 3’ x 3’ x 12 deep or something like that, so not a lot of > room. > > > > What are you guys using to keep these things decently cool? > > > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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