[Bldg-sim] Modeling Evaporatively Cooled Condenser for a DX Unit

Robby Oylear robbyo at rushingco.com
Tue Jun 10 09:45:39 PDT 2008


I'm working on a project that is pursuing an evaporatively cooled
condensing section on its DX units.  From what I can tell there isn't a
direct way to model this in eQUEST as the only options for condenser
sections are air-cooled, water cooled, and evap pre-cooled.  

 

Since this application is really just an air cooled condenser with water
being sprayed over the coils to allow an approach to the outdoor wetbulb
temperature would the best way to model it be to get a custom Cooling EIR
curve as a function of entering wetbulb and drybulb temperatures from the
manufacturer?  

 

Does anyone have experience modeling this type of system?

 

Thanks,

 

Robby Oylear

Mechanical Engineer

direct: 206.788.4571

cell: 206.354.2721

 <http://www.rushingco.com> www.rushingco.com



 

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