Re: [EnergyPlus_Support] Re: opening area COMIS

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

My guess would be that the opening are calculation does not change with window 
type, but the resulting airflow will be different.  The COMIS user's manual 
should discuss this in more detail.  (Our COMIS expert is not available this 
week.)

Mike


On 25 Mar 2006 at 23:15, sebastian.coene wrote:

> HI,
> 
> I thought maybe i could use the calcution method used on pg 343 of the
> I/O reference manaul. 
> 
> "COMIS/EnergyPlus uses a combination of factors to determine the
> actual opening area for a window or door when it is venting. For
> example, consider a window that is 1.5m high and 2.0m wide (excluding
> frame). Assume that the COMIS Air Flow:Opening for this window has
> Type of Large Vertical Opening = 1 (non-pivoting window), Height
> Factor = 0.5 and Width Factor = 0.8. 
> Then when the window is fully open, the opening area = height of
> opening (0.5x1.5) times width of opening (0.8x2.0) = 0.75x1.6 = 1.2
> m2. If the Window/Door Opening Factor is 0.75, then the opening area =
> 0.75x1.2 = 0.9 m2"
> 
> 
> But this is for a non pivoting window, is it the same for a pivoting
> window with a horizontal pivoting axis? And are the height factor and
> width factor the same for example? I can't find any notice of this in
> the manuals?
> 
> Greetings,
> Sebastian
> 
> 
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Linda Lawrie <linda@...> wrote:
> >
> > 
> > >
> > >EnergyPlus Documentation is searchable.  Open EPlusMainMenu.idf and 
> > >press the "search" button.
> > >
> > 
> > Enter "COMIS" in the search box.
> > 
> > the COMIS documentation referenced on p. 327 (pdf p. 363) of the 
> > Input Output Reference may also help.
> > 
> > 
> > Linda
> > 
> > EnergyPlus WebSite: http://www.energyplus.gov
> > Owner: EnergyPlus_Support list
> > Member: EnergyPlus Development Team
> > 
> > 
> > 
> > [Non-text portions of this message have been removed]
> >
> 
> 
> 
> 
> 
> 
> 
> The primary EnergyPlus web site is found at:
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> 
> The group web site is:
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> 
> Attachments are not allowed -- please post any files to the appropriate folder
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> 
> EnergyPlus Documentation is searchable.  Open EPlusMainMenu.idf and press the
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>  
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> 
> 
> 
>  
> 
> 
> 
> 


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





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