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</o:shapelayout></xml><![endif]--></head><body lang=PL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Dear Jochen,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Thank you for your advice, but now I am looking for the values for such exchange, and the basis for this airflow assumption.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>What is your practice with this issue?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Regards,<br>Karol<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:PL'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:PL'> hotline [mailto:hotline@Transsolar.com] <br><b>Sent:</b> Friday, February 14, 2014 4:48 PM<br><b>To:</b> 'TRNSYS users mailing list at the Solar Energy Lab, UW-Madison'<br><b>Subject:</b> Re: [TRNSYS-users] air contact<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=DE style='color:#1F497D'>Dear Karol,<o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>You can merge both zones to one zone and two airnodes. Please have a look into the manual 5.4.1 for the difference between airnode and zone. </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US style='color:#1F497D'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US style='color:#1F497D'>if you draw the building in SketchUp, you need to define the wall as a virtual surface, to merge them in TRNBuild ,use the 180° arrow on the upper left site of the zone window<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US style='color:#1F497D'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US style='color:#1F497D'>If you define the wall manually in TRNBuild ,you can add directly another airnode to the zone. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>After merging you have two airnodes in the zone and you might need to define an air exchange see 5.2.4.10.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Best<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><i><span lang=EN-US style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE'>__________________________________________________________________________________________________<o:p></o:p></span></i></p><p class=MsoNormal><i><span lang=EN-US style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE'><o:p> </o:p></span></i></p><p class=MsoNormal><i><span lang=DE style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE'>Jochen Lam<o:p></o:p></span></i></p><p class=MsoNormal><span lang=DE style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE'>TRNSYS Software Team<o:p></o:p></span></p><p class=MsoNormal><i><span lang=DE style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE'><br></span></i><b><span lang=DE style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE'>Transsolar Energietechnik GmbH<o:p></o:p></span></b></p><p class=MsoNormal><span lang=DE style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE'>Curiestraße 2<o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE'>70563 Stuttgart<o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE'>Fax: +49 711 67976-11<br>Email: <a href="mailto:jlam@transsolar.com">jlam@transsolar.com</a><o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE'>Web: <a href="http://www.trnsys.de">www.trnsys.de</a> </span><span lang=DE style='color:#1F497D;mso-fareast-language:DE'><o:p></o:p></span></p></div><p class=MsoNormal><span lang=DE style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=DE style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:DE'>Von:</span></b><span lang=DE style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:DE'> <a href="mailto:trnsys-users-bounces@cae.wisc.edu">trnsys-users-bounces@cae.wisc.edu</a> [<a href="mailto:trnsys-users-bounces@cae.wisc.edu">mailto:trnsys-users-bounces@cae.wisc.edu</a>] <b>Im Auftrag von </b>Karol Bandurski<br><b>Gesendet:</b> Freitag, 14. Februar 2014 15:24<br><b>An:</b> <a href="mailto:trnsys-users@cae.wisc.edu">trnsys-users@cae.wisc.edu</a><br><b>Betreff:</b> [TRNSYS-users] air contact<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=DE><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Dear All,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I wondering how are you model air contact:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>there is two zones (e.g. two rooms) and they are connected by air (e.g. doorway), there are no mechanical ventilation or intensive, one direction, air flow.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I think to assume some massless construction between this zones, but what resistance will be appropriate? Or maybe some both direction air flow, but how can I assume the value of the flow?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Do you have some idea?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Kind regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Karol<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:PL'>------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:PL'>Karol Bandurski MSc.<o:p></o:p></span></p><p class=MsoNormal><span style='background:white;mso-fareast-language:PL'><a href="http://www.ee.put.poznan.pl/" target="_top"><span lang=EN-US style='color:windowtext;text-decoration:none'>Institute of Environmental Engineering</span></a></span><span lang=EN-US style='background:white;mso-fareast-language:PL'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='background:white;mso-fareast-language:PL'>Poznan University of Technology<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='background:white;mso-fareast-language:PL'><a href="http://www.put.poznan.pl/~karol.bandurski">www.put.poznan.pl/~karol.bandurski</a><o:p></o:p></span></p><p class=MsoNormal><span style='background:white;mso-fareast-language:PL'><a href="http://www.ee.put.poznan.pl">www.ee.put.poznan.pl</a><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>