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Re: [EnergyPlus_Support] Moisture
Hello,
Speaking of the moisture upgrade, I just found (and I mean just found this
out) that the units for the Mass Flux printed out in the report are
incorrect. They currently are:
ZN001:WALL002:Outside Surface Mass Flux[kg/s/m2](Hourly)
with a value of 0.0117909446568265 (which is 3600.0 times too big)
They should be:
ZN001:WALL002:Outside Surface Mass Flux[kg/hr/m2](Hourly)
with a value of 0.0117909446568265
Same value but the wrong unit label.
I have been running my stand alone verification programs and the numbers
coming out of the verification program looked close to what was coming out
of EnergyPlus, except for the unit difference. I looked much closer and
found the 3600.0 multiplier for the moisture calculation inside
of EnergyPlus. All other moisture values are correctly reported including
the temperature and vapor density.
The [kg/hr/m2] label matches the current value coming out of EnergyPlus. I
think I will change the value to the [kg/s/m2] units, since that will be
more understandable when the value is reported at a time interval of less
than an hour even though the number will be much smaller.
You can use the current values coming out of EnergyPlus, but you must
either change the units from s to hr on the Excel spreadsheet label or
divide all the values by 3600.0 with the current version of EnergyPlus.
CR6014 has been submitted.
Thanks
Dr. Richard J. Liesen Ph.D. M.E.
Associate Director, Building Systems Laboratory
Department of Mechanical and Industrial Engineering
University of Illinois at Urbana-Champaign
www.bso.uiuc.edu
* * * * * * * * * * * * * * * * * * * * * * *
At 11:24 AM 9/25/2003, Richard J. Liesen wrote:
>Hello,
>The moisture upgrades for EnergyPlus are scheduled for the next release,
>Spring 2004. I am currently working on them.
>
>Thanks
>Dr. Richard J. Liesen Ph.D. M.E.
>Associate Director, Building Systems Laboratory
>Department of Mechanical and Industrial Engineering
>University of Illinois at Urbana-Champaign
>www.bso.uiuc.edu
>* * * * * * * * * * * * * * * * * * * * * * *
>
>At 12:14 PM 9/25/2003, habaza11@xxxxxx wrote:
> >linda;
> >Did you apgrade the Moisture transfer part of E-plus.
> >Thank you.
> >
> >Linda Lawrie <linda@xxxxxxxxxx> wrote:
> >
> > >At 09:50 AM 9/24/2003, teklay Weldeabzgi wrote:
> > >
> > >
> > >> hello there
> > >> i have some problem , i download energyplus software
> > >>but i can't read the help documents. So what can i do?
> > >
> > >Do you have Acrobat 5 Reader (or higher) on your machine. The documents
> > >(PDFs) all need Acrobat 5.
> > >
> > >There is also a plain text "readme" -- readme.txt which will explain some
> > >things. (It is duplicated with the readme.pdf)
> > >
> > >
> > >Linda
> > >
> > >EnergyPlus WebSite: http://www.energyplus.gov
> > >Owner: EnergyPlus_Support list
> > >Member: EnergyPlus Development Team
> > >
> > >
> > >
> > >[Non-text portions of this message have been removed]
> > >
> > >
> > >
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>The primary EnergyPlus web site is found at:
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>
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>
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