[ATM] Forced Ventilation

Don Clement clement.focuser at verizon.net
Tue Feb 1 11:45:00 JST 2005


Perhaps some sort of homogenizing phobia. I used to have a similar phobia
with milk and would only buy Alta Dena raw...with the cream floating on top
;-)

> This was the thrust of Alan Adler's S&T article. Break up the turbulence
and
> it doesn't matter. Surprising how many are still fixated on cooling the
> mirror. The evening temperature can always drop faster than mirrror
cooling
> can keep up.
>
> > What about the idea of homogenizing thermal layers in front of the
mirror
> > by
> > forcing air across the front of the primary mirror in an open or closed
> > support structure?



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