[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[EnergyPlus_Support] Re: Earth tube and AHU with EMS



Great answer, thanks.
Florent

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Richard Raustad <RRaustad@...> wrote:
>
> I see that now, it simply adds a heat gain or loss to the zone. So you 
> would have to psychormetric routines to calculate the exiting WB 
> temperature of the earth tube knowing the inlet T and w, the total 
> (sensible) heat gain or loss, and calculate a new outlet T. Then using 
> the inlet w as the outlet w (w should not change through the earth tube) 
> calculate the exiting WB using outlet T and inlet w.
> 
> florentfabre wrote:
> >
> > It was my first idea but there isn't system node for the earth tube
> >
> > Florent
> > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx 
> > <mailto:EnergyPlus_Support%40yahoogroups.com>, Richard Raustad 
> > <RRaustad@> wrote:
> > >
> > > Try using the node report variable for WB (see rdd file) at the outlet
> > > node of the earth tube
> > >
> > > System Node Wetbulb Temp
> > >
> > > florentfabre wrote:
> > > >
> > > > Hi All,
> > > >
> > > > With an EMS routine I can change the Outdoor Air System Node of an 
> > AHU
> > > > with the outlet temperature of an earth tube (calculate with a
> > > > previous simulation).
> > > > For this I need to know the earth tube outlet wet bulb temperature,
> > > > where can I find this with the ZoneEarthTube Object ?
> > > >
> > > > Thank you,
> > > > Florent
> > > >
> > > >
> > >
> > > --
> > > Richard A. Raustad
> > > Senior Research Engineer
> > > Florida Solar Energy Center
> > > University of Central Florida
> > > 1679 Clearlake Road
> > > Cocoa, FL 32922-5703
> > > Phone: (321) 638-1454
> > > Fax: (321) 638-1439 or 1010
> > > Visit our web site at: http://www.fsec.ucf.edu <http://www.fsec.ucf.edu>
> > >
> > > UCF - From Promise to Prominence: Celebrating 40 Years
> > >
> >
> > 
> 
> -- 
> Richard A. Raustad
> Senior Research Engineer
> Florida Solar Energy Center
> University of Central Florida
> 1679 Clearlake Road
> Cocoa, FL  32922-5703
> Phone:   (321) 638-1454
> Fax:     (321) 638-1439 or 1010
> Visit our web site at: http://www.fsec.ucf.edu
> 
> UCF - From Promise to Prominence: Celebrating 40 Years
>




------------------------------------

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 currently allowed but be mindful that not everyone has a high speed connection.  Limit attachments to small files.

EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/EnergyPlus_Support/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/EnergyPlus_Support/join
    (Yahoo! ID required)

<*> To change settings via email:
    EnergyPlus_Support-digest@xxxxxxxxxxxxxxx 
    EnergyPlus_Support-fullfeatured@xxxxxxxxxxxxxxx

<*> To unsubscribe from this group, send an email to:
    EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/