I don't currently have a DOE-2 Engineering Document, so this question is posed to the DOE "gods and gurus":
There are three curves that modify the (capacity)/(part load ratio)/(electric input ratio) in DOE-2 (or PowerDOE or eQuest) of a chiller (let's use a hermetic centrifugal chiller for this example). Within PLANT, there is a place to insert a "nominal capacity" and an "electric input ratio".
The question is, whatever I put into these input slots represent what? ARI conditions? 100% design?
And then the three curves modify these vs. load, entering condenser water, and exiting chilled water. So the 100% point is what (full load, 44 DegF CHW leaving, and 85 DegF Condens.water entering?
John R. Aulbach, PE, CEM
Project Engineer
Sempra Energy Solutions
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