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[EnergyPlus_Support] Re: best way to export from Design Builder to E-Plus
Dear Minu,
DesignBuilder prepares a DESIGN DAY object using data from the weather
file that you specify.
I have not been paying attention to the ground temps, so I cannot
assist you with that question.
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Minu Agarwal"
<Minu.Agarwal@...> wrote:
>
> Thanks for the replies JV Dirkes and Anurag. They were a huge help.
>
>
>
> I have another question on the design day data. Do I need to create
> objects for these explicitly or should they be loading up from the
> weather file ideally? Also the weather file is in the weather file
> folder but the ground temperature data is not loading correctly. Any
> ideas ?? I am using the .epw weather file.
>
>
>
> Thanks,
>
>
>
> Minu Agarwal
>
> CoSA, Buro Happold Consulting Engineers PC
> 100 Broadway
> New York, NY 10005
> USA
> Telephone: +1 212 334 2025
> Fax: +1 212 334 5528
>
> ________________________________
>
> From: EnergyPlus_Support@xxxxxxxxxxxxxxx
> [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of JV Dirkes II
> Sent: Monday, March 10, 2008 7:59 PM
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Subject: [EnergyPlus_Support] Re: best way to export from Design Builder
> to E-Plus
>
>
>
> Dear Minu,
>
> From my limited experience and at the present capability level of
> DesignBuilder, here are a few recommendations:
> 1) DB is a great tool to create the building and zone geometry and
> wall / window / roof constructions
> 2) DB is OK for schedule creation, but its schedules are not very
> "elegant", since it creates duplicate schedules for each zone, even
> when all of them have an identical schedule. This makes revisions a
> bit cumbersome.
> 3) DB sometimes assigns numerical names to schedules, especially those
> derived from compact schedules. This makes it difficult to see at a
> glance the schedule's purpose. I rename them in a text editor.
> 4) DB assigns zone names using 5 digit numbers. IF you manually name
> each zone within DB, DB also appends a comment to the ZONE object so
> that you know what that 5 digit value refers to. I normally rename
> the ZONE objects and all objects which refer to them using a global
> search / replace command in my text editor.
> 5) If you are familiar with SI units, use DB with SI. If you set the
> default units in DB to US / IP, it exports using 6 or 8 decimal
> precision. This is precise, but seems like overkill.
> 6) You will probably have to become very familiar with the EPlus
> documentation on HVAC systems definition. DB creates a usable HVAC
> system, but its library of systems is (so far) not very extensive. I
> use the construction and geometry information (with renaming as
> mentioned above) directly from DB, then create the HVAC within IDF
> Editor or cutting and pasting "master" objects within a text editor.
>
> That's all for now. It's a big effort, but the Support Group is a
> huge help!
>
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx
> <mailto:EnergyPlus_Support%40yahoogroups.com> , "Minu Agarwal" <Min
>
> u.Agarwal@> wrote:
> >
> > Hi All,
> >
> >
> >
> > It would be great if you could share your experience in exporting idf
> > files from design builder to Energy Plus especially for the set up of
> > HVAC systems.
> >
> >
> >
> > I have a model with a large number of zones.
> >
> >
> >
> > For a beginner, is it a good idea to set up "compact type"HVAC systems
> > in Designbuilder and then modify them in Energy plus to add
> > components/controls etc. OR is it a better way to try and model on the
> > lines of s suitable example file from scratch in E Plus?
> >
> >
> >
> > Please help.
> >
> >
> >
> > Minu Agarwal
> >
> > CoSA, Buro Happold Consulting Engineers PC
> > 100 Broadway
> > New York, NY 10005
> > USA
> > Telephone: +1 212 334 2025
> > Fax: +1 212 334 5528
> >
> >
> >
> >
> >
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> >
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