[EnergyPlus_Support] Re: air density in the heat balance

["direzionecontraria" <direzionecontraria@xxxxxxxx>]

Cz is on page 5. 
1.204 kg/m3 is on pages 573 and 603.
Regards
Francesco

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Fred Buhl <wfbuhl@...> 
wrote:
>
>  Could you tell us what section or page of the Engineering 
Reference you
>  are looking at?
> 
> Fred Buhl
> 
> direzionecontraria wrote:
> > Hello!
> > I refer to "Engineering Reference" 
> > 
http://apps1.eere.energy.gov/buildings/energyplus/pdfs/engineeringref
ere
> > nce.pdf
> > In the equations of the heat balance on the zone, for example in 
the 
> > equation (2), there is the term Cz, which is the air capacitance.
> > Cz = (air density )*(volume of the zone)
> > I read that the standard air density is 1.204 kg/m3.
> > What are the standard conditions ? How is the air density 
calculate in 
> > different conditions from the standard conditions?
> > With Regards
> > Francesco
> >
> >
> >
> > ------------------------------------
> >
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>




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