[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [EnergyPlus_Support] Re: inputting surfaces' geometry & dimensions
I am not sure that I understand your question. This is not something
you set in EnergyPlus. This is something you decide when you are
taking dimensions off of the building plans.
Mike
On 16 Sep 2003, at 7:30, itamargoldberger wrote:
> When can I determine my choise between "interior, exterior, or center-
> line (axis) for surface" ?
>
>
> > dimensions --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Michael J.
> Witte" <mjwitte@g...> wrote:
> > The choice of interior, exterior, or center-line (axis) for surface
> > dimensions is up to the user. For most wall constructions, the
> > slight change in zone volume or wall surface areas will have very
> > little impact on the results. Use whatever dimension is most
> > conveniently available from the building plans. For very thick
> > walls, center-line (axis) dimensions should probably be used to
> avoid
> > overestimating the heat transfer through exterior walls.
> Differences
> > in the thickness of construction elements is only used to determine
> > the heat transfer characteristics of the surface. For shadowing
> and
> > other geometric calculations, all surfaces are planes with no
> > thickness.
> >
> > Mike
> >
> > On 6 Aug 2003, at 8:10, itamargoldberger wrote:
> >
> > > Dear Sirs:
> > >
> > >
> > > When inputting surfaces' geometry, should we refer to dimensions
> from
> > > axis to axis or should we refer to the dimensions of the inner
> surface
> > > of the construction element? We have noticed that zone volume is
> > > calculated as if the inputted dimensions are those of the inner
> > > surfaces but then, how are differences in thickness of the
> envelope's
> > > construction elements handled?
> > >
> > >
> > > Please advise us.
> > >
> > > Thanks
> > >
> > > Dr. Monica Paciuk
> > > Itamar Goldberger
> > >
> > >
> > > ------------------------ Yahoo! Groups Sponsor
> > > ---------------------~--> Rent DVDs from home. Over 14,500 titles.
> > > Free Shipping & No Late Fees. Try Netflix for FREE!
> > > http://us.click.yahoo.com/BVVfoB/hP.FAA/ySSFAA/dkFolB/TM
> > > ------------------------------------------------------------------
> ---~
> > > ->
> > >
> > > To unsubscribe from this group, send an email to:
> > > EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx
> > >
> > > 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 are of the Support Web Site.
> > >
> > >
> > >
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> > > http://docs.yahoo.com/info/terms/
> > >
> >
> >
> >
> > ========================================================
> > EnergyPlus Testing and Support
> > EnergyPlus-Support@g...
>
>
> ------------------------ Yahoo! Groups Sponsor
> ---------------------~--> Upgrade to 128-Bit SSL Security!
> http://us.click.yahoo.com/p7cEmB/s7qGAA/yigFAA/dkFolB/TM
> ---------------------------------------------------------------------~
> ->
>
> To unsubscribe from this group, send an email to:
> EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx
>
> 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 are of the Support Web Site.
>
>
>
>
>
>
> Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
>
========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support
EnergyPlus-Support@xxxxxxxx
------------------------ Yahoo! Groups Sponsor ---------------------~-->
Upgrade to 128-Bit SSL Security!
http://us.click.yahoo.com/p7cEmB/s7qGAA/yigFAA/dkFolB/TM
---------------------------------------------------------------------~->
To unsubscribe from this group, send an email to:
EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx
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 are of the Support Web Site.
Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/