zeuspaul wrote: »
If I tilt mount a pair of 135 watt solar panels on the ground and place white sand in front of them will the output go up? How much?
Would the increased light damage the PV panel?
The albedo of an object is a measure of how strongly it reflects light from light sources such as the Sun.
Dave Sparks wrote: »
If there was ever a solar panel that was like a very beautiful woman and not as expensive as the ones in space this is it!
If you wish to experiment---Take any solar cell/panel and connect it to a amp meter (digital multi-meter, etc.)... The output of a solar cell is basically proportional to the amount of light energy hitting the face.
solar_dave wrote: »
Dave you need to get out more, and all beautiful women are expensive and high maintenance! (except for my wife of course)
I read some stuff on those panels a while back for a covered walk way, those are the ones with a clear/no back correct? They sound great and just what the walk way needed, some shading without a full shade.
Dave Sparks wrote: »
Are you talking about beautiful women in space or beautiful solar panels in space?
Do you think it's worth the effort?
Cariboocoot wrote: »
That's a very interesting question. Perhaps Solar Guppy could answer it?
For instance, with the snow scenario; how much improvement in output is due to the low temps and how much to the increased lumens?
In either case, there must be an upper limit to how much the P-N junctions can be driven. Certainly heat, whether ambient or from the increased output, would eventually slow the pathways so that there was no further gain. There would probably be a logarithm function; lessening % output as % light exposure increases.
The mirrors would concentrate heat as well as light, and to some extent so would the sand or snow. Different materials reflect different amounts of the spectrum, including infrared. So it would be a matter of how much does a given material reflect the most useful (for PV) segment of the visible spectrum and not the infrared?
Definitely not my area of expertise (as anyone can tell from reading this). I just make 'em work.