Re: [EnergyPlus_Support] about SimulationControl

[Linda Lawrie <linda@xxxxxxxxxxxxxx>]

At 01:09 PM 4/30/2010, Xavier Garcia Casals wrote:
> Thanks for answering.
> So, to make sure I properly understand it, you mean that sizing
> calculations along the 24 h period of the SizingPeriod:DesignDay objects
> are exactly the same whatever you state on the Run Simulation for Sizing
> Periods field (YES or NO), and the only difference is on the fact that
> you have available or not the 24 h results for
> reporting.

Yes

> Or else you mean
> that if stating NO in the Run Simulation for Sizing Periods field, sizing
> is done for a single point using the temperatures input with the
> SizingPeriod:DesignDay object, without checking for the most critical
> conditions along the 24 h period associated to the SizingPeriod:DesignDay
> object?

No -- the sizing calculations are done over a 24 hour period (for the
Design Day) or whatever period (Weather file sizing period input) and use
the critical/peak conditions for your building to calculate the
appropriate sizes of supply air or components.

No -- Don't run the simuation for Sizing Periods means you will not have
any results shown for the Output:Variable or Output:Meter objects you
might have put in.  The sizing will still be done using the 24 hour
period "described" by or selected by the objects.

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