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Re: [TRNSYS-users] Absorption chiller as heat pump



Muhammad,

  Are you looking for an absorption heat pump model? My understanding of absorption chillers and heat pumps (separately) is that they use fundamentally different processes for providing cooling. Heat pumps rely on fairly standard vapor compression cycle that (normally) use electricity to run the compressor. In an absorption chiller you have two coolants, one of which provides evaporative cooling and in so doing is absorbed into the second. A heat input is then needed to reseparate the coolants.

  There are such things as absorption heat pumps and if you are looking for one of those then I am not aware of a TRNSYS model. Based on what little I have read, I do not think that Type677 (or any of the other TRNSYS absorption chiller models) could be used to provide both heating and cooling. If you are aware of a specific device for which manufacturer's performance data is available then it would not be hard to create a TRNSYS Type that reads the data. In fact that is the approach that Type677 takes.

kind regards,

David


On 04/09/2020 05:58, Muhammad Zeeshan wrote:
Hello everyone,
                          I am working on a double effect absorption chiller(Type 677) in TRNSYS. Is is possible to use the same chiller as heat pump in TRNSYS during heating season. Or any other component in TRNSYS which can model absorption chiller as heat pump?

Your help in this regard is highly appreciated.


Warm regards,
Muhammad Zeeshan
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***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley@tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com