Posted by nicksanspam on January 13, 2006, 6:37 pm
You have a scanning electron microscope, and so on? :-)
Posted by Morris Dovey on January 13, 2006, 7:26 pm
firstname.lastname@example.org (in email@example.com)
| You have a scanning electron microscope, and so on? :-)
Hmmm. You just stirred up an interesting question. If two smooth, flat
metal absorber plates, one normal to the sun's rays and one aslant,
present the same (projected) area to the sun - will one absorb more
energy than the other?
DeSoto, Iowa USA
Posted by SolarFlaire on January 14, 2006, 3:33 am
The one normal one will collect more heat as it has
less surface to reradiate heat away.
two smooth, flat
and one aslant,
one absorb more
Posted by daestrom on January 14, 2006, 3:49 pm
An interesting point.
Also, just about any surface reflects a different amount depending on the
angle of incoming sunlight. More reflection, less absorption.
Posted by SolarFlaire on January 14, 2006, 5:15 pm
Yeah, I thought of that point, later, but I was
amount depending on the