[Bldg-sim] Chiller COP

John Aulbach jra_sac at yahoo.com
Fri Aug 22 07:33:47 PDT 2014

COP of chiller is 1/EIR (Energy Input ratio) in eQuest/DOE-2. There is a curve in the program that relates theses parameters.

John R. Aulbach, PE

On Friday, August 22, 2014 3:59 AM, Jim Dirkes <jim at buildingperformanceteam.com> wrote:

EnergyPlus uses several curves to define performance mathematically.  I think that is a common practice for almost all energy modeling software – read up on the use of performance curves!
James V Dirkes II, PE, BEMP, LEED AP
Energy Analysis, Commissioning & Training Services
1631 Acacia Drive, Grand Rapids, MI 49504USA
616 450 8653
From:Bldg-sim [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Sambhav Tiwari
Sent: Friday, August 22, 2014 6:55 AM
To: bldg-sim
Subject: [Bldg-sim] Chiller COP
Hi Friends,
                 Is there any mathematical formula which co relates cop of chiller with chilled water temperature and condenser water entering temperature.
Warm Regards

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