<div><br>Dear all,</div>
<div> </div>
<div> What's the difference between the time base of transfer function ( in Outputs of TRNBuild ) and Zone thermal time constant?</div>
<div> </div>
<div>Are they the same? If different, how to calculate the zone thermal time constant? based on which parameters?</div>
<div> </div>
<div>Many thanks!</div>
<div> </div>
<div>br.</div>
<div> </div>
<div>wang</div>
<div> </div>
<div> </div>
<div> </div>
<div><br> </div>
<div class="gmail_quote">2010/11/3 <span dir="ltr"><<a href="mailto:trnsys-users-request@cae.wisc.edu">trnsys-users-request@cae.wisc.edu</a>></span><br>
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<br>Today's Topics:<br><br> 1. How to calculate the zone thermal time constant & air volume<br> flow of opening (=?GB2312?B?zfXR8w==?=)<br><br><br>---------- 已转发邮件 ----------<br>From: 王洋 <<a href="mailto:wanghongyang1767@gmail.com">wanghongyang1767@gmail.com</a>><br>
To: <a href="mailto:trnsys-users@cae.wisc.edu">trnsys-users@cae.wisc.edu</a><br>Date: Wed, 3 Nov 2010 15:29:36 +0100<br>Subject: [TRNSYS-users] How to calculate the zone thermal time constant & air volume flow of opening<br>
<div>Dear all,</div>
<div> </div>
<div>1. How to calculate or find the thermal time constant of zone in TRNSYS software? </div>
<p>---------- WALL TYPE BST_FL_HEAT_W1 ----------</p>
<p> THERMAL CONDUCTANCE, U= 67.80000 kJ/h m2K; U-Wert= 4.48235 W/m2K<br> (incl. alpha_i=7.7 W/m^2 K and alpha_o=25 W/m^2 K)</p>
<p> TRANSFERFUNCTION COEFFICIENTS<br> K A B C D</p>
<p> 0 1.7050117E+02 2.1087019E+01 1.7050117E+02 1.0000000E+00<br> 1 -1.1800059E+02 3.5808933E+01 -1.1800059E+02 -1.3683139E-01<br> 2 6.0267372E+00 1.6298573E+00 6.0267372E+00 4.7362566E-05<br>
3 -1.2736107E-03 2.3363784E-04 -1.2736107E-03<br> SUM 5.8526043E+01 5.8526043E+01 5.8526043E+01 8.6321597E-01</p>
<div>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? <br>
Need I calculate by myself the whole zone's TRANSFERFUNCTION based on all the walls of the zone or others?</div>
<div> </div>
<div>2. How to calculate or find air volume flow of the window opening in TRNFlow software? <br></div>
<div>The window opening area (m2)is known. Whether it needs the wind speed(m/s) or not?</div>
<div> </div>
<div>Many thanks!</div>
<div> </div>
<div>Br.</div>
<div> </div>
<div>wang<br></div>
<div class="gmail_quote">2010/11/3 <span dir="ltr"><<a href="mailto:trnsys-users-request@cae.wisc.edu" target="_blank">trnsys-users-request@cae.wisc.edu</a>></span><br>
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<br>Today's Topics:<br><br> 1. Re: GenOpt optimization: problem for the second generation<br> after 5 simulations (Thibaut VITTE)<br> 2. Re: google sketchup+trnsys3d (hotline)<br> 3. input file (Emiliano Casati - 3ME)<br>
4. Re: GenOpt optimization: problem for the secondgeneration<br> after 5 simulations (Timothy McDowell)<br><br><br>---------- 已转发邮件 ----------<br>From: Thibaut VITTE <<a href="mailto:thibaut.vitte@h3c-energies.fr" target="_blank">thibaut.vitte@h3c-energies.fr</a>><br>
To: <a href="mailto:trnsys-users@cae.wisc.edu" target="_blank">trnsys-users@cae.wisc.edu</a><br>Date: Wed, 03 Nov 2010 11:27:53 +0100<br>Subject: Re: [TRNSYS-users] GenOpt optimization: problem for the second generation after 5 simulations<br>
<div bgcolor="#ffffff" text="#000000">Dear Alexis,<br><br>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.<br>
<br>Just my 2cents.<br><br>Thibaut<br>
<div>-- <br>
<table>
<tbody>
<tr>
<td>
<div>
<div style="MIN-HEIGHT: 0.854in; WIDTH: 2in">
<p><img src="cid:part1.06030601.07070104@h3c-energies.fr"></p>
<p>Le futur maîtrisé</p></div></div></td>
<td><br></td>
<td>
<p>Thibaut VITTE</p>
<p>Docteur - Ingénieur Energies</p>
<p><span>Mail : </span><span><a href="mailto:thibaut.vitte@h3c-energies.fr" target="_blank">thibaut.vitte@h3c-energies.fr</a> </span></p>
<p>-----------------------------</p>
<p>H3C-énergies</p>
<p>35, chemin du vieux Chêne - 38240 MEYLAN</p>
<p><span>Tél : </span><span>04 76 41 88 66</span><span> – </span><span>Fax : </span><span>04 76 41 28 94</span></p>
<p><a href="http://www.h3c-energies.fr/" target="_blank">www.h3c-energies.fr</a></p></td>
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<p></p></div></div><br><br>---------- 已转发邮件 ----------<br>From: "hotline" <<a href="mailto:hotline@transsolar.com" target="_blank">hotline@transsolar.com</a>><br>To: "julia.feste" <<a href="mailto:julia.feste@whitepavilion.com.cn" target="_blank">julia.feste@whitepavilion.com.cn</a>><br>
Date: Wed, 3 Nov 2010 11:37:08 +0100<br>Subject: Re: [TRNSYS-users] google sketchup+trnsys3d<br>Hi,<br><br>that's a well known problem that will be fixed in the next version.<br>Hopefully upcoming within the next weeks.<br>
<br>Regards<br>Christian<br><br>TRANSSOLAR Software Team<br><a href="mailto:hotline@transsolar.com" target="_blank">hotline@transsolar.com</a><br><br><a href="http://www.trnsys.de/" target="_blank">www.trnsys.de</a><br>Transsolar KlimaEngineering - Technologien für energieeffizientes Bauen<br>
und Nutzerkomfort in Gebäuden<br>Transsolar Energietechnik GmbH, Curiestrasse 2, 70563 Stuttgart /<br>Amtsgericht Stuttgart - HRB 23347 / USt-IdNr.: 99073/00911<br>Geschäftsführer: Dipl.Ing. Matthias Schuler, Dipl.Ing. Thomas Auer,<br>
Dipl.Phys. Stefan Holst, Prof. Volkmar Bleicher<br><br>-----Ursprüngliche Nachricht-----<br>Von: julia.feste [mailto:<a href="mailto:julia.feste@whitepavilion.com.cn" target="_blank">julia.feste@whitepavilion.com.cn</a>]<br>
Gesendet: Mittwoch, 3. November 2010 06:46<br>An: <a href="mailto:trnsys-users@cae.wisc.edu" target="_blank">trnsys-users@cae.wisc.edu</a><br>Betreff: [TRNSYS-users] google sketchup+trnsys3d<br><br><br>Hello everybody,<br>
Thanks for your posts that's always really interesting!<br>I come up with a problem using Google Sketchup and TRNSYS3D: inside a<br>TRNSYS zone, I draft a square, then I want to pull it up at a certain<br>height, so I write the number then Enter, and this error appears:<br>
<br><-----Beginning of the error-----><br>ERROR:<br>NoMethodError<br>undefined method `position' for<br>#<Sketchup::AttributeDictionary:0xfcb4eb8><br><br>BACKTRACE:<br>C:/Program Files/Google/Google SketchUp<br>
8/Plugins/Trnsys3d/sketchup/Sketchup.rb:309:in `polygon_loop'<br>C:/Program Files/Google/Google SketchUp<br>8/Plugins/Trnsys3d/sketchup/Sketchup.rb:309:in `each'<br>C:/Program Files/Google/Google SketchUp<br>8/Plugins/Trnsys3d/sketchup/Sketchup.rb:309:in `polygon_loop'<br>
C:/Program Files/Google/Google SketchUp<br>8/Plugins/Trnsys3d/sketchup/Sketchup.rb:321:in `outer_polygon'<br>C:/Program Files/Google/Google SketchUp<br>8/Plugins/Trnsys3d/sketchup/Sketchup.rb:326:in `polygon'<br>C:/Program Files/Google/Google SketchUp<br>
8/Plugins/Trnsys3d/lib/interfaces/DrawingUtils.rb:27:in<br>`detect_base_face'<br>C:/Program Files/Google/Google SketchUp<br>8/Plugins/Trnsys3d/lib/interfaces/DrawingUtils.rb:20:in `each'<br>C:/Program Files/Google/Google SketchUp<br>
8/Plugins/Trnsys3d/lib/interfaces/DrawingUtils.rb:20:in<br>`detect_base_face'<br>C:/Program Files/Google/Google SketchUp<br>8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:254:in `face_polygon'<br>C:/Program Files/Google/Google SketchUp<br>
8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:253:in `each'<br>C:/Program Files/Google/Google SketchUp<br>8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:253:in `face_polygon'<br>C:/Program Files/Google/Google SketchUp<br>
8/Plugins/Trnsys3d/lib/interfaces/Surface.rb:107:in<br>`update_input_object'<br>C:/Program Files/Google/Google SketchUp<br>8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:94:in<br>`update_input_object'<br>C:/Program Files/Google/Google SketchUp<br>
8/Plugins/Trnsys3d/lib/interfaces/DrawingInterface.rb:353:in<br>`on_change_entity'<br>C:/Program Files/Google/Google SketchUp<br>8/Plugins/Trnsys3d/lib/observers/FaceObserver.rb:32:in `onChangeEntity'<br>C:/Program Files/Google/Google SketchUp<br>
8/Plugins/Trnsys3d/lib/AsynchProc.rb:17:in `initialize'<br><br><-----End of the error-----><br><br>When I pull it up manual, I don't have any problem, just when I write<br>the number.<br><br>Thanks in advance for your help,<br>
Julia.<br>________________________________________<br>From: <a href="mailto:trnsys-users-request@cae.wisc.edu" target="_blank">trnsys-users-request@cae.wisc.edu</a><br>[<a href="mailto:trnsys-users-request@cae.wisc.edu" target="_blank">trnsys-users-request@cae.wisc.edu</a>]<br>
Sent: Wednesday, November 03, 2010 1:04 AM<br>To: <a href="mailto:trnsys-users@cae.wisc.edu" target="_blank">trnsys-users@cae.wisc.edu</a><br>Subject: TRNSYS-users Digest, Vol 71, Issue 4<br><br>Send TRNSYS-users mailing list submissions to<br>
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or, via email, send a message with subject or body 'help' to<br> <a href="mailto:trnsys-users-request@cae.wisc.edu" target="_blank">trnsys-users-request@cae.wisc.edu</a><br><br>You can reach the person managing the list at<br>
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<br><br><br><br><br><br><br>---------- 已转发邮件 ----------<br>From: "Emiliano Casati - 3ME" <<a href="mailto:E.I.M.Casati@tudelft.nl" target="_blank">E.I.M.Casati@tudelft.nl</a>><br>To: <<a href="mailto:trnsys-users@cae.wisc.edu" target="_blank">trnsys-users@cae.wisc.edu</a>><br>
Date: Wed, 3 Nov 2010 13:19:58 +0100<br>Subject: [TRNSYS-users] input file<br>
<div lang="NL" vlink="purple" link="blue">
<div>
<p class="MsoNormal"><span lang="EN-US">Hi to everybody!</span></p>
<p class="MsoNormal"><span lang="EN-US">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”.</span></p>
<p class="MsoNormal"><span lang="EN-US">Where should I find the input file?</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks a lot</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">ec</span></p></div></div><br><br>---------- 已转发邮件 ----------<br>From: "Timothy McDowell" <<a href="mailto:mcdowell@tess-inc.com" target="_blank">mcdowell@tess-inc.com</a>><br>
To: "Thibaut VITTE" <<a href="mailto:thibaut.vitte@h3c-energies.fr" target="_blank">thibaut.vitte@h3c-energies.fr</a>>, <a href="mailto:trnsys-users@cae.wisc.edu" target="_blank">trnsys-users@cae.wisc.edu</a><br>
Date: Wed, 3 Nov 2010 07:23:05 -0500 (CDT)<br>Subject: Re: [TRNSYS-users] GenOpt optimization: problem for the secondgeneration after 5 simulations<br>This type of error in GenOpt is usually caused by an error in the TRNSYS<br>
simulation. You need to check the *.lst file for the TRNSYS run to see<br>what the TRNSYS error is.<br><br>Regards,<br><br>Tim<br><br><br><br><br><br>----------------------------------<br>Timothy McDowell<br>Executive Vice President<br>
Thermal Energy System Specialists, LLC<br>22 N. Carroll St, Suite 370<br>Madison, WI 53703<br>Phone: 608-274-2577<br>Fax: 608-278-1475<br><br>----- Original Message -----<br>From: "Thibaut VITTE" <<a href="mailto:thibaut.vitte@h3c-energies.fr" target="_blank">thibaut.vitte@h3c-energies.fr</a>><br>
Sent: Wed, November 3, 2010 5:27<br>Subject:Re: [TRNSYS-users] GenOpt optimization: problem for the<br>secondgeneration after 5 simulations<br><br><br><br><br><br><br><br><br><br> Dear Alexis,<br><br> I've had a similar error when I used Genopt. I've had several<br>
components tracked by a "trace" command that made my list file<br> enormous (more than 100Mb) and genopt could'nt handle that amount of<br> data.<br><br> Just my 2cents.<br><br> Thibaut<br> --<br>
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-----------------------------<br> H3C-énergies<br> 35, chemin du vieux Chêne - 38240 MEYLAN<br> Tél : 04 76 41 88 66 – Fax : 04 76 41 28<br> 94<br> <a href="http://www.h3c-energies.fr/" target="_blank">www.h3c-energies.fr</a><br>
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