[TRNSYS-users] zone thermal time constant
王洋
wanghongyang1767 at gmail.com
Wed Nov 3 07:46:29 PDT 2010
Dear all,
What's the difference between the time base of transfer function ( in
Outputs of TRNBuild ) and Zone thermal time constant?
Are they the same? If different, how to calculate the zone thermal time
constant? based on which parameters?
Many thanks!
br.
wang
2010/11/3 <trnsys-users-request at cae.wisc.edu>
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> Today's Topics:
>
> 1. How to calculate the zone thermal time constant & air volume
> flow of opening (=?GB2312?B?zfXR8w==?=)
>
>
> ---------- 已转发邮件 ----------
> From: 王洋 <wanghongyang1767 at gmail.com>
> To: trnsys-users at cae.wisc.edu
> Date: Wed, 3 Nov 2010 15:29:36 +0100
> Subject: [TRNSYS-users] How to calculate the zone thermal time constant &
> air volume flow of opening
> Dear all,
>
> 1. How to calculate or find the thermal time constant of zone in TRNSYS
> software?
>
> ---------- WALL TYPE BST_FL_HEAT_W1 ----------
>
> THERMAL CONDUCTANCE, U= 67.80000 kJ/h m2K; U-Wert= 4.48235
> W/m2K
> (incl. alpha_i=7.7 W/m^2 K and alpha_o=25 W/m^2 K)
>
> TRANSFERFUNCTION COEFFICIENTS
> K A B C D
>
> 0 1.7050117E+02 2.1087019E+01 1.7050117E+02 1.0000000E+00
> 1 -1.1800059E+02 3.5808933E+01 -1.1800059E+02 -1.3683139E-01
> 2 6.0267372E+00 1.6298573E+00 6.0267372E+00 4.7362566E-05
> 3 -1.2736107E-03 2.3363784E-04 -1.2736107E-03
> SUM 5.8526043E+01 5.8526043E+01 5.8526043E+01 8.6321597E-01
> What's meaning of A B C D? Are they Wall's TRANSFERFUNCTION COEFFICIENTS?
> And what is the thermal time constant of the whole zone? How to calculate or
> find the thermal time constant of the whole zone in TRNSYS software?
> Need I calculate by myself the whole zone's TRANSFERFUNCTION based on all
> the walls of the zone or others?
>
> 2. How to calculate or find air volume flow of the window opening in
> TRNFlow software?
> The window opening area (m2)is known. Whether it needs the wind speed(m/s)
> or not?
>
> Many thanks!
>
> Br.
>
> wang
> 2010/11/3 <trnsys-users-request at cae.wisc.edu>
>
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>> When replying, please edit your Subject line so it is more specific
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>>
>> Today's Topics:
>>
>> 1. Re: GenOpt optimization: problem for the second generation
>> after 5 simulations (Thibaut VITTE)
>> 2. Re: google sketchup+trnsys3d (hotline)
>> 3. input file (Emiliano Casati - 3ME)
>> 4. Re: GenOpt optimization: problem for the secondgeneration
>> after 5 simulations (Timothy McDowell)
>>
>>
>> ---------- 已转发邮件 ----------
>> From: Thibaut VITTE <thibaut.vitte at h3c-energies.fr>
>> To: trnsys-users at cae.wisc.edu
>> Date: Wed, 03 Nov 2010 11:27:53 +0100
>> Subject: Re: [TRNSYS-users] GenOpt optimization: problem for the second
>> generation after 5 simulations
>> Dear Alexis,
>>
>> I've had a similar error when I used Genopt. I've had several components
>> tracked by a "trace" command that made my list file enormous (more than
>> 100Mb) and genopt could'nt handle that amount of data.
>>
>> Just my 2cents.
>>
>> Thibaut
>> --
>>
>> Le futur maîtrisé
>>
>> Thibaut VITTE
>>
>> Docteur - Ingénieur Energies
>>
>> Mail : thibaut.vitte at h3c-energies.fr
>>
>> -----------------------------
>>
>> H3C-énergies
>>
>> 35, chemin du vieux Chêne - 38240 MEYLAN
>>
>> Tél : 04 76 41 88 66 – Fax : 04 76 41 28 94
>>
>> www.h3c-energies.fr
>>
>>
>> -----------------------------------------------------------------------------------
>>
>> Afin de contribuer au respect de l'environnement, merci de n'imprimer ce
>> message qu'en cas de nécessité.
>>
>> In order to respect the environment, please don't print this e-mail unless
>> you really need to.
>>
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "hotline" <hotline at transsolar.com>
>> To: "julia.feste" <julia.feste at whitepavilion.com.cn>
>> Date: Wed, 3 Nov 2010 11:37:08 +0100
>> Subject: Re: [TRNSYS-users] google sketchup+trnsys3d
>> Hi,
>>
>> that's a well known problem that will be fixed in the next version.
>> Hopefully upcoming within the next weeks.
>>
>> Regards
>> Christian
>>
>> TRANSSOLAR Software Team
>> hotline at transsolar.com
>>
>> www.trnsys.de
>> Transsolar KlimaEngineering - Technologien für energieeffizientes Bauen
>> und Nutzerkomfort in Gebäuden
>> Transsolar Energietechnik GmbH, Curiestrasse 2, 70563 Stuttgart /
>> Amtsgericht Stuttgart - HRB 23347 / USt-IdNr.: 99073/00911
>> Geschäftsführer: Dipl.Ing. Matthias Schuler, Dipl.Ing. Thomas Auer,
>> Dipl.Phys. Stefan Holst, Prof. Volkmar Bleicher
>>
>> -----Ursprüngliche Nachricht-----
>> Von: julia.feste [mailto:julia.feste at whitepavilion.com.cn]
>> Gesendet: Mittwoch, 3. November 2010 06:46
>> An: trnsys-users at cae.wisc.edu
>> Betreff: [TRNSYS-users] google sketchup+trnsys3d
>>
>>
>> Hello everybody,
>> Thanks for your posts that's always really interesting!
>> I come up with a problem using Google Sketchup and TRNSYS3D: inside a
>> TRNSYS zone, I draft a square, then I want to pull it up at a certain
>> height, so I write the number then Enter, and this error appears:
>>
>> <-----Beginning of the error----->
>> ERROR:
>> NoMethodError
>> undefined method `position' for
>> #<Sketchup::AttributeDictionary:0xfcb4eb8>
>>
>> BACKTRACE:
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/sketchup/Sketchup.rb:309:in `polygon_loop'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/sketchup/Sketchup.rb:309:in `each'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/sketchup/Sketchup.rb:309:in `polygon_loop'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/sketchup/Sketchup.rb:321:in `outer_polygon'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/sketchup/Sketchup.rb:326:in `polygon'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/interfaces/DrawingUtils.rb:27:in
>> `detect_base_face'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/interfaces/DrawingUtils.rb:20:in `each'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/interfaces/DrawingUtils.rb:20:in
>> `detect_base_face'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:254:in `face_polygon'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:253:in `each'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:253:in `face_polygon'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/interfaces/Surface.rb:107:in
>> `update_input_object'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:94:in
>> `update_input_object'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/interfaces/DrawingInterface.rb:353:in
>> `on_change_entity'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/observers/FaceObserver.rb:32:in `onChangeEntity'
>> C:/Program Files/Google/Google SketchUp
>> 8/Plugins/Trnsys3d/lib/AsynchProc.rb:17:in `initialize'
>>
>> <-----End of the error----->
>>
>> When I pull it up manual, I don't have any problem, just when I write
>> the number.
>>
>> Thanks in advance for your help,
>> Julia.
>> ________________________________________
>> From: trnsys-users-request at cae.wisc.edu
>> [trnsys-users-request at cae.wisc.edu]
>> Sent: Wednesday, November 03, 2010 1:04 AM
>> To: trnsys-users at cae.wisc.edu
>> Subject: TRNSYS-users Digest, Vol 71, Issue 4
>>
>> Send TRNSYS-users mailing list submissions to
>> trnsys-users at cae.wisc.edu
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>> https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>> or, via email, send a message with subject or body 'help' to
>> trnsys-users-request at cae.wisc.edu
>>
>> You can reach the person managing the list at
>> trnsys-users-owner at cae.wisc.edu
>>
>> When replying, please edit your Subject line so it is more specific than
>> "Re: Contents of TRNSYS-users digest..."
>>
>> _______________________________________________
>> TRNSYS-users mailing list
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>> https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>>
>>
>>
>>
>>
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Emiliano Casati - 3ME" <E.I.M.Casati at tudelft.nl>
>> To: <trnsys-users at cae.wisc.edu>
>> Date: Wed, 3 Nov 2010 13:19:58 +0100
>> Subject: [TRNSYS-users] input file
>>
>> Hi to everybody!
>>
>> I don’t understand why, for certain projects, I can’t open the input file,
>> the message is “the system cannot find the path specified”.
>>
>> Where should I find the input file?
>>
>>
>>
>> Thanks a lot
>>
>>
>>
>> ec
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Timothy McDowell" <mcdowell at tess-inc.com>
>> To: "Thibaut VITTE" <thibaut.vitte at h3c-energies.fr>,
>> trnsys-users at cae.wisc.edu
>> Date: Wed, 3 Nov 2010 07:23:05 -0500 (CDT)
>> Subject: Re: [TRNSYS-users] GenOpt optimization: problem for the
>> secondgeneration after 5 simulations
>> This type of error in GenOpt is usually caused by an error in the TRNSYS
>> simulation. You need to check the *.lst file for the TRNSYS run to see
>> what the TRNSYS error is.
>>
>> Regards,
>>
>> Tim
>>
>>
>>
>>
>>
>> ----------------------------------
>> Timothy McDowell
>> Executive Vice President
>> Thermal Energy System Specialists, LLC
>> 22 N. Carroll St, Suite 370
>> Madison, WI 53703
>> Phone: 608-274-2577
>> Fax: 608-278-1475
>>
>> ----- Original Message -----
>> From: "Thibaut VITTE" <thibaut.vitte at h3c-energies.fr>
>> Sent: Wed, November 3, 2010 5:27
>> Subject:Re: [TRNSYS-users] GenOpt optimization: problem for the
>> secondgeneration after 5 simulations
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Dear Alexis,
>>
>> I've had a similar error when I used Genopt. I've had several
>> components tracked by a "trace" command that made my list file
>> enormous (more than 100Mb) and genopt could'nt handle that amount of
>> data.
>>
>> Just my 2cents.
>>
>> Thibaut
>> --
>>
>>
>> .bodyclass @page { size: 8.5in 11in; margin-top: 0.7874in;
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>> font-family:Tahoma, sans-serif; color:#e36c0a; font-weight:bold; }
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>> font-family:Tahoma, sans-serif; text-align:justify ! important;
>> color:#3329b1; }
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>> font-family:Tahoma, sans-serif; text-align:justify ! important;
>> color:#3329b1; }
>> .bodyclass .P7 { font-size:7.5pt; margin-bottom:0in; margin-top:0in;
>> font-family:Tahoma, sans-serif; text-align:justify ! important;
>> color:#3329b1; font-style:italic; }
>> .bodyclass .P8 { font-size:7.5pt; margin-bottom:0in; margin-top:0in;
>> font-family:Tahoma, sans-serif; text-align:justify ! important;
>> color:#3329b1; font-style:italic; }
>> .bodyclass .P9 { font-size:12pt; margin-bottom:0in; margin-top:0in;
>> font-family:Times New Roman; text-align:justify ! important; }
>> .bodyclass .P91 { font-size:12pt; margin-bottom:0in;
>> margin-top:0.05in;
>> font-family:Times New Roman; text-align:justify ! important; }
>> .bodyclass .Standard { font-size:12pt; font-family:Times New Roman; }
>> .bodyclass .T1 { color:#f79646; }
>> .bodyclass .T2 { color:#f79646; font-family:Tahoma, sans-serif;
>> font-size:7.5pt; }
>> .bodyclass .T3 { color:#3329b1; font-family:Tahoma, sans-serif;
>> font-size:7.5pt; }
>> .bodyclass { }
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Le futur maîtrisé
>>
>>
>>
>>
>>
>>
>>
>> Thibaut VITTE
>> Docteur - Ingénieur Energies
>> Mail : thibaut.vitte at h3c-energies.fr
>>
>> -----------------------------
>> H3C-énergies
>> 35, chemin du vieux Chêne - 38240 MEYLAN
>> Tél : 04 76 41 88 66 – Fax : 04 76 41 28
>> 94
>> www.h3c-energies.fr
>>
>>
>>
>>
>>
>>
>>
>>
>> -----------------------------------------------------------------------------------
>> Afin de contribuer au respect de l'environnement,
>> merci de n'imprimer ce message qu'en cas de nécessité.
>> In order to respect the environment, please don't
>> print this e-mail unless you really need to.
>>
>>
>>
>>
>>
>>
>> _______________________________________________
>> TRNSYS-users mailing list
>> TRNSYS-users at cae.wisc.edu
>> https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>>
>>
>> ----- End of original message -----
>>
>>
>>
>> _______________________________________________
>> TRNSYS-users mailing list
>> TRNSYS-users at cae.wisc.edu
>> https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>>
>>
>
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