Re: [EnergyPlus_Support] Re: Question about "Zone List Multiplier"?

["Michael J. Witte" <mjwitte@xxxxxxxx>]

Please provide sample files as-run for each multiplier case.  You may post them 
to the yahoo group or e-mail them (zipped) to energyplus-support@xxxxxxxx

Mike



On 21 May 2004, at 18:44, bsiengineer wrote:

> A colleague of mine had a very similar problem.  He used a zone 
> multiplier of 8, and electricity consumption increased by a factor 
> much greater than 8.  Using multipliers of 32 to 64 the consumption 
> started to decrease.  I can post his .idf if anybody is interested.
> 
> David
> 
> 
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "i50330513" 
> <50330513@s...> wrote:
> > I make good use of `EnergyPlus' program to predict the energy 
> > performance of a commercial building which is a 40-story building. 
> I 
> > had already simulated the 40-story building.
> > 
> > In order to reduce the amount of input of the identical floors and 
> > have a shorter computational time, Zone List Multiplier field in 
> the 
> > Zone Group object are used to multiply from 1st to 38th floors. 
> > However, after simulation of the building with this Multiplier 
> > field, I found that the total electricity use 
> (Electricity:Facility) 
> > and the plant loop cooling demand of the building are much less 
> than 
> > that of the building without using the field of Zone List 
> > Multiplier. 
> > 
> > Is there any input error in the program? The Zone Group object is 
> > shown as follows. You can see that the Zone List multiplier is set 
> > to 38 in the 1st FLOOR. Does it mean that the 1st FLOOR is 
> > multiplied by 38? If yes, why the total electricity and the cooling 
> > loads are much less than that of the building without the use of 
> > Zone List multiplier field.  
> > 
> > ---------------------------------------------------------
> > ZONE GROUP,
> >     GF FLOOR,			!- Zone Group Name
> >     GF FLOOR LIST,		!- Zone List Name
> >     1;				!- Zone List Multiplier
> > 
> > ZONE GROUP,
> >     1st FLOOR,			!- Zone Group Name
> >     1st FLOOR LIST,		!- Zone List Name
> >     38;				!- Zone List Multiplier
> > 
> > ZONE GROUP,
> >     RF FLOOR,			!- Zone Group Name
> >     RF LIST,			!- Zone List Name
> >     1;				!- Zone List Multiplier
> > ---------------------------------------------------------
> > 
> > I hope you make some recommendation for me. Thanks for your 
> > attention.
> > 
> > Leung
> 
> 
> 
> 
> The primary EnergyPlus web site is found at:
> http://www.energyplus.gov
> 
> The group web site is:
> http://groups.yahoo.com/group/EnergyPlus_Support/
> 
> Attachments are not allowed -- please post any files to the appropriate folder
> in the Files area of the Support Web Site.
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 



========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx



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