Thank you all for your responses. I have tried responding back but each time it has disallowed my posting.
I will study and try to work through your notes, but am not very adept with math. By the way, I am located in WA State at Lat: 47° 19' 45" N.
If choosing to, I can be contacted more...
I am hoping to find how to determine the heat available from focused and concentrated sunlight. I am not confident in my math skills or understanding of some terms, so will describe what I want to do and how I expect to accomplish it. I mostly need an overview and some specific details or...