Thanks Ken. This was very helpful. Regarding the optical divergence, is it reasonable to estimate that the concentrated light diverges 3.5% for every meter...
... You are right. I did not scroll all the way down and missed it....
Gar Lipow
garlists@...
Sep 1, 2006 8:53 pm
7703
If I'm understanding the financing of this, it makes great sense for the utilities as well. It's state law in a number of states... and especially makes...
The "governator" is a good example of what a leader should be in regards to renewable energy. With recent legislation passed, California is on its way to...
I saw two of the GM H2 cars at the Florida Renewable Energy Expo in Orlando recently. One is run by FPL and one by Progress Energy. They were very well done,...
In reality, the heat is major problem in concentrated solar systems. 500x concentrated systems is about all you can do using Frensel lenses. It both a...
yes but there are two problems in your calculation for one reflection looses a percentage of energy second as you go further away from the center, the actual...
To All There is a lot of misinformation about light and thermodynamics. Light does not obey thermodynamics. This is difficult for people to believe, but...
I still believe the real H2 solution will be a solid material reacting with water to release the H2. Then, either a fuel cell generates electricity to powers...
While I am happy to hear that Arnold is working hard on green-house effect with therse legistative bills; it still fails to anwser the real question The policy...
Ian Based on what you are saying would it be conceivable to have 10 1 kw turbines or 1 10 kw turbine if someone has the space for 10 1 kw turbines? ... From:...
DNelAccy@...
Sep 5, 2006 1:47 pm
7712
This is interesting, as a Florida Power and Light customer, I have seen their real commitment to renewable energy. I saw this when they sent out a letter to...
I really do not want to go down political debates because I am looking for energy solutions. However, First watch Al Gore's documentary - Inconvenient Truth. ...
DNelAccy@...
Sep 5, 2006 1:49 pm
7715
This sentence is worth memorizing. "The lead-acid battery is about 70% efficient, while electrolysis, compression, storage, fuel cell gives electricity back at...
I hate to burst your political raging against President Bush, but the Kyoto Protocol was done in 1997, and if my memory serves right Bush was not the president...
In Illinois, many discussions have revolved around trackers freezing up during the cold nights. We have seen trackers freeze and then we have to go out to fix...
DNelAccy@...
Sep 5, 2006 1:51 pm
7718
Article about Shell's US President's talk on oil Did everyone see the article about Shell's US President John Hofmeister's comments on world oil supply and...
European consumers started making noise when their gas hit $3 per gallon. As most of us know they have pass this mark several years ago. They are also ahead of...
DNelAccy@...
Sep 5, 2006 1:52 pm
7720
A small little problem - the governator has NOT given any direction on how to mitigate the problems caused by this move. If energy costs double (very likely...
Before responding to the message below, may I remind everyone what the original posters question was. I quote: ... I now paraphrase my response - the...
Personally Kens science sound more reasonable to me ... Yes but temperature is not equal to energy... surface temperature of the sun and achievable temperature...
Most of us didn't have the time to read the entire legislation. They all sounded great and glorified by the media. But there may be hidden agenda that we...
Looking at it from another angle, if that tax on oil was used as pork or successfully grafted off the top or directed to hydrogen cars and nuclear plants it...
Does anyone know about sunpower's hi efficiency panels and whether they are worth it, or any other comments? best, klh [Non-text portions of this message have...
What causes them to freeze? Is it ice buildup, or is the owner using too high a viscosity of oil on them? If I understand the schema of these, one can fix them...
Actually, if we have a reliable fuel cell, H2 is a fairly good source of recovery. The unfortunate point is that it leaks and is a *huge* ozone problem... as...
Because the sillicon cells is limiting the PV flat panels production. And the triple junction solar cells + CPV are now the main stream. How about a proper...
Subject: RENET Renewable Energy Workshops 21-28 September 2006 at IIT Bombay and IIT Madras Respected Sir, This message is being sent to you because of your...
Heat tape is not a very good solution for this problem. It consumes energy and reduces the overall efficiency of the system. Switching to a different viscosity...
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