Hi Guys,

Good Morning

I am modeling building in E-quest with high thermal mass in order to
evaluate demand shifting and energy savings due to building mass. I came
across following article which can be found at

http://drrc.lbl.gov/pubs/58815.pdf

or

http://drrc.lbl.gov/drrc-pubs3.html

The article says following

The results of the comfort surveys in the two test buildings indicate that
occupant comfort was maintained in the pre-cooling tests as long as the room
temperatures were between 70 and 76oF. Night-time pre-cooling was found to
have varying effects on the magnitude of the following day's peak demand,
with a number of factors affecting its effectiveness. We found it was
important to manage the afternoon load shedding by ramping the zone
temperature set-points rather than stepping them up. This can be
particularly important on hot days or in buildings with smaller thermal

time constants, where air conditioning-related electrical power could
"rebound" and exceed the peak demand typically seen under normal operation.
Simulation of the various reset strategies demonstrated that the exponential
temperature reset strategy for the thermal mass discharge period is the best
of all the three thermal mass discharge strategies studied. The simulation
results indicate that pre-cooling has a greater impact on reducing
air-conditioning-related peak period electrical loads than just raising the
zone temperatures during the peak period.

How to model exponential temperature reset strategy. Is this really
required? Thank you for your time.

Regards,

Amol Mehta