[BLDG-SIM] Solar Absorption Chillers

Jeff Thornton thornton at tess-inc.com
Fri Sep 22 06:31:15 PDT 2006


> Can anyone let me know of any papers/research done on absorption
> chillers that use solar energy.  I'm particularly interested in some
> > data and calculation that would help me get a rough  idea on the
> > applicability of this technology to a large office  complex in the Middle
> > East.

We've done quite a few solar absorption modeling projects over the past 10 years or so for NREL, NRCAN and a few others but I'm not sure if the results were ever written up into technical reports/papers.  You may want to check the NREL web site.  

As a result of these projects, we have a software tool that can be used to assess the potential for this technology in commercial and industrial buildings.  Because the tool is based on TRNSYS, it can also easily be modified to more accurately reflect your particular configuration.  If i remember correctly, the program was configured to study a system where:

1)  the collectors charge a hot storage tank
2) a gas-fired auxiliary device provides backup during periods where the tank can't supply the generator with hot water
3)  the absorption chiller draws from the storage tank and charges a second storage tank with chilled water for distribution to the load

I think we also have a version where there isn't a second tank and the chiller feeds the load directly.

Let me know if you are interested in exploring this option and good luck with your search.

Jeff


****************************************************************
Jeff W. Thornton
President - Thermal Energy System Specialists
2916 Marketplace Drive - Suite 104
Madison WI 53719
(608) 274-2577 




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