Panel Performance the First Science
I just ran the first little experiment:
(well second but the first was to put the unglazed panel in the sun to
see if it got hot :-).
I only have one reasonable thermometer, glass 0-100C lab style spirit
thermometer. I set up the "panel" roughly facing the sun on
balcony and turned on the fan after a few minutes. By just
resting the thermometer near the inlets and outlets (out of the sun) I
got this series of readings:
1 21 24
2 21 25.5
3 21 26.5
This was over the course of about 20 minutes. I assume some
of equilibrium was happening and perhaps the temperature rise would
increase a little more. This is all transcribed directly
I suppose with the assumed flow (25 CFM) from the Fan at least now I
can bracket the power. Anyway already that's a pretty
result (delta T) for such a hack panel. I was thinking I'd
to pull back on the fan power.
Other observations were that the outside back of the panel got quite
hot. So a good deal of heat is likely to be lost with this
un-insulated back acting as the absorber. (well the thin wood is
something of an insulator)
I have some geometry things to noodle on.