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Posted by Jeff on September 26, 2006, 8:57 pm
 
no spam wrote:

Google came up with this and others, I can't find what I was reading before:

<URL:
http://www.cibse.org/pdfs/desiccant.pdf#search=%22desiccant%20cooling%22  />

Apparently a COP of > 1. Note that that PDF gives a lot of equations and
details. I think is pretty good because the more cooling you need, the
more solar energy you have to drive the cycle. Very high humidity
locations will require a second dehumidify cycle and will have lower COPs.

Dehumidifiers can work several ways but it seems to me the easiest for
solar would be to have a rotating disc of desicant, part of the disc is
in the "drier" and part is in the inlet to the cooler. The disc slowly
turns...



   Then you get into what liquid to use.  Water pops to mind but how

Water. What a wonderfull thermal material it is!

  Using any other liquid would require

I'm out of cooling season here (mostly) but I'll want to do this later.
Let me know if you go this route, I really can't see another for a home
builder.

   Jeff

Posted by Anthony Matonak on September 28, 2006, 12:51 am
 
willbanks wrote:
...

A quick google search on solar air conditioning got me these hits...

http://www.solarcosystems.com/solarcooling.htm
http://www.ailr.com/solar_cooling.htm
http://www.homepower.com/files/solarice.pdf
http://www.energy-concepts.com/isaac.html
http://www.thesustainablevillage.com/servlet/display/microenterprise/display/14

Anthony

Posted by SJC on September 28, 2006, 3:15 am
 

  I would add:

  http://www.yazakienergy.com/waterfired.htm

  They have a 10 ton lithium bromide unit for solar.

  http://solel.com/products/icooling/solar_cooling/

  They have the whole system.

Posted by no spam on September 28, 2006, 11:51 am
 
A bit expencive for the home tinker wouldn't you think?



But no details on how to build one, which is what I'm looking for.



Posted by no spam on September 28, 2006, 11:43 am
 
Been there, done that and no useful info on the actual construction.  The
basic concept is simple as the solar ice link you list shows.  The problem
is getting the info to make a continuous cycle system.



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