Hi t vago thanks
As for (Cv) by the research I did on the internet I also did not see many references, it seems that much information is based on assumptions, which may not be the correct, but for lack of better, is what we have for guidance.
I think the calculation you use for (Cv) is this
http://ecomodder.com/forum/showthrea...html#post43879
When I asked it to be able to by a description in the project I presented above, the other two values easily found the description, the Cv although suspected I was not sure.
Thanks
José Rodrigues