[BLDG-SIM] Supermarket refrigeration modelling questions

Brian Fountain brian.fountain at energyadvantage.com
Tue Dec 4 13:15:01 PST 2001

I am working on a simulation of a supermarket using DOE2.1e and using the
refrigeration model.  I have two questions regarding the effect of humidity
on the refrigeration system.  Firstly, when the fans are off, humidity is
not reported in the SS-N as it uses return air humidity.  What does the
refrigeration model use for space humidity during the periods when the fan
is off?

More fundamentally, how is humidity data reflected in the refrigeration
energy simulation?  Does the defrost energy reduce with reduced humidity?
How is the compressor energy reduced with reduced space humidity?

Many thanks!

Brian Fountain, P.Eng
Energy Engineer

Energy Advantage Inc.
690 Dorval Dr., Suite 400
Oakville, ON L6K 3W7
phone:  (905) 337-2205 ext. 250
fax:      (905) 337-2209

brian.fountain at energyadvantage.com
<mailto:brian.fountain at energyadvantage.com>

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