[BLDG-SIM] Simulation on Thermal Energy Storage using DOE2.2

[Martin Yip]

Dear Bldg-sim Subscribers,
 
I recently simulated an air cooled chiller plant with cold water tank
thermal energy storage using DOE 2.2.  I originally expected some energy
saving due to improve chiller COP at night charging the storage when
compare it with a system without storage.  However, the results showed
an energy penalty of a few percentages even though hourly data actually
showed COP improvement during charging.  I have already set the loss
coefficient to zero for the TES.  I should be most grateful if anyone
can comment on this issue and provide some suggestion.
 
Thanks
 
Martin YIP
Engineer
EMSD, HKSAR
 


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