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</o:shapelayout></xml><![endif]--></head><body lang=PL link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Yes! Thank you! Sorry for I overlooked it..<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>Karol<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='mso-fareast-language:PL'>From:</span></b><span style='mso-fareast-language:PL'> Marion Hiller <> <br><b>Sent:</b> Monday, May 30, 2022 12:55 PM<br><b>To:</b> TRNSYS users mailing list at OneBuilding.org <trnsys-users@lists.onebuilding.org><br><b>Subject:</b> Re: [TRNSYS-users] energy balance of air in zone<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=DE>Dear Karol,<o:p></o:p></span></p><p class=MsoNormal><span lang=DE><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I assume there is a misunderstanding of NTYPE 8 (DQAIR) (see 05-MultizoneBuilding.pdf)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>NType 8 is the sensible change in internal energy of air in airnode <b><span style='color:#0070C0'>since the beginning of the simulation</span></b>.<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>Therefore, instead of using NType8(at time = current timestep) you need to use the following term:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> NType8(at time = current timestep) - NType8(at time = previous timestep).<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>If you look at your xls SUM is always “equal” to – (dtC_dtau ) of the previous line.<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>Best,<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>Marion<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE'>Transsolar Software Team<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#4472C4;mso-fareast-language:DE'><a href="mailto:hotline@transsolar.com">hotline@transsolar.com</a></span><span lang=EN-US style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE'>Transsolar <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE'>Stuttgart | Munich | Paris | New York<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE'>Transsolar Energietechnik GmbH | Curiestrasse 2 | 70563 Stuttgart | Germany<o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE'>CEO: Matthias Schuler, Thomas Auer, Stefan Holst, Dieter Schnelle <o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#A6A6A6;mso-fareast-language:DE'>Registered at Amtsgericht Stuttgart HRB 23347 | USt-IdNr.: DE 152272639<o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='mso-fareast-language:DE'><o:p> </o:p></span></p></div><p class=MsoNormal><span lang=DE><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=DE style='mso-fareast-language:DE'>Von:</span></b><span lang=DE style='mso-fareast-language:DE'> TRNSYS-users <<a href="mailto:trnsys-users-bounces@lists.onebuilding.org">trnsys-users-bounces@lists.onebuilding.org</a>> <b>Im Auftrag von </b>karol.bandurski--- via TRNSYS-users<br><b>Gesendet:</b> Montag, 30. Mai 2022 10:09<br><b>An:</b> <a href="mailto:trnsys-users@lists.onebuilding.org">trnsys-users@lists.onebuilding.org</a><br><b>Cc:</b> <a href="mailto:karol.bandurski@put.poznan.pl">karol.bandurski@put.poznan.pl</a><br><b>Betreff:</b> [TRNSYS-users] energy balance of air in zone<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>I have generated thermal balance of air in zone, I use for it:<o:p></o:p></span></p><ul style='margin-top:0cm' type=disc><li class=MsoListParagraph style='margin-left:0cm;mso-list:l1 level1 lfo3'><span lang=EN-US>QCSURF, NTYPE3 (convection from surfaces),<o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l1 level1 lfo3'><span lang=EN-US>QGCONV, NTYPE 7 (convection internal heat gains),<o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l1 level1 lfo3'><span lang=EN-US>QINF, NTYPE 4 (infiltration),<o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l1 level1 lfo3'><span lang=EN-US>QVENT+QCOUP, NTYPE5+ NTYPE6 (ventilation form system and other rooms),<o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l1 level1 lfo3'><span lang=EN-US>-QSENS-QRHEAT, - NTYPE2- NTYPE 78 or QHEAT-QCOOL-QRHEAT, NTYPE30- NTYPE31- NTYPE78 (heating and cooling system without radiation part),<o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l1 level1 lfo3'><span lang=EN-US>DQAIR, NTYPE 8 (change of air internal energy).<o:p></o:p></span></li></ul><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>But the balance is not equal zero (enclosed).<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 would be grateful for any tips.<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>Best,<br>Karol<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL'>---------------------------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL'>Karol BANDURSKI Ph.D, Assistant Professor <o:p></o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN style='color:black;mso-fareast-language:PL'>Faculty of Environmental and Energy Engineering </span><span lang=EN style='mso-fareast-language:PL'><o:p></o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL'>Division of Heating, Air Conditioning and Air Protection <o:p></o:p></span></p><p class=MsoNormal style='background:white'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL'>Poznan University of Technology<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:PL'><a href="https://www.researchgate.net/profile/Karol_Bandurski"><span lang=EN-US style='color:blue'>https://www.researchgate.net/profile/Karol_Bandurski</span></a></span><span lang=EN-US style='mso-fareast-language:PL'><o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:PL'>***<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL'>dr inż. Karol BANDURSKI, Adiunkt</span><span style='mso-fareast-language:PL'><o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:PL'>Wydział Inżynierii Środowiska i Energetyki<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL'>Zakład Ogrzewnictwa, Klimatyzacji i Ochrony Powietrza<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:PL'>Politechnika Poznańska</span><span lang=EN-US style='mso-fareast-language:PL'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>