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<DIV><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I don’t have a lot of experience with Natural Ventilation but it seems to be dependent on the thermal conditions in the zone. You can specify “open” for an hour but if natural ventilation doesn’t hold the zone thermostat setpoint, “program reverts to mechanical cooling” as stated in the help file. Whether this means the Natural Ventilation is then closed, I don’t know. Basically, Natural Ventilation may work in this case but I would make sure the natural ventilation is operating how you would like the hangar doors to be simulated with hourly reports. It seems to me though that specifying Internal Load Infiltration would be a better option since the hangar doors are not controlled or open/closed based on thermal conditions in the zone.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Matthew Larson, LEED AP BD+C<br></span></b><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Project Engineer<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Energy Solutions Group<b><o:p></o:p></b></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>E M C Engineers, Inc.<br>Eaton’s Electrical Services & Systems <br>143 Union Blvd, Suite 350<br>Lakewood, CO 80228<br>tel: +1 303 328-3419<br>mobile: +1 303 668-2511<br>fax: +1 303 974-1239<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><a href="mailto:MatthewRLarson@Eaton.com">MatthewRLarson@Eaton.com</a> <br><a href="http://www.eaton.com/energysolutions">www.eaton.com/energysolutions</a> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img alt=image001 border=0 height=101 id="Picture_x0020_1" src="cid:image001.jpg@01CBF2D4.EC9AAF20" width=198></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Arpan Bakshi [mailto:arpanbakshi@gmail.com] <br><b>Sent:</b> Monday, April 04, 2011 2:10 PM<br><b>To:</b> nabil koubaa<br><b>Cc:</b> Larson, Matthew R; equest-users@lists.onebuilding.org<br><b>Subject:</b> Re: [Equest-users] Aircraft Hanger Modeling<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Have you looked into using the natural ventilation option with either air change or sherman-grimsrud method?<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Switch to Detailed Mode > Air-Side HVAC > Outside Air > Natural Ventilation<o:p></o:p></p></div><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Mon, Apr 4, 2011 at 3:57 PM, nabil koubaa <<a href="mailto:nkoubaa@gmail.com">nkoubaa@gmail.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal>thank you for your help Matthew this is great information exactly what I was looking for.<o:p></o:p></p><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Mon, Apr 4, 2011 at 3:54 PM, <<a href="mailto:MatthewRLarson@eaton.com" target="_blank">MatthewRLarson@eaton.com</a>> wrote:<o:p></o:p></p><div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>If you go to the hangar space properties under Internal Loads and the Infiltration tab, you can apply an hourly schedule there. Below is a screen shot of the infiltration tab and the help file for the Schedule. I believe this has to be done in detailed mode, not wizard mode. Let me know if you want to see an example schedule or something.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'><b>Error! Filename not specified.</b></span><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Thanks,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-GB style='font-size:10.0pt;color:black'>Matthew Larson, LEED AP BD+C<br></span></b><span lang=EN-GB style='font-size:10.0pt;color:black'>Project Engineer</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span lang=EN-GB style='font-size:10.0pt;color:black'>Energy Solutions Group</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'>E M C Engineers, Inc.<br>Eaton’s Electrical Services & Systems <br>143 Union Blvd, Suite 350<br>Lakewood, CO 80228<br>tel: +1 <a href="tel:303%20328-3419" target="_blank">303 328-3419</a><br>mobile: +1 <a href="tel:303%20668-2511" target="_blank">303 668-2511</a><br>fax: <a href="tel:%2B1%20303%20974-1239" target="_blank">+1 303 974-1239</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'><a href="mailto:MatthewRLarson@Eaton.com" target="_blank">MatthewRLarson@Eaton.com</a> <br><a href="http://www.eaton.com/energysolutions" target="_blank">www.eaton.com/energysolutions</a> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'><b>Error! Filename not specified.</b></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p></div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt'>From:</span></b><span style='font-size:10.0pt'> nabil koubaa [mailto:<a href="mailto:nkoubaa@gmail.com" target="_blank">nkoubaa@gmail.com</a>] <br><b>Sent:</b> Monday, April 04, 2011 1:47 PM<br><b>To:</b> Larson, Matthew R<br><b>Cc:</b> <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br><b>Subject:</b> Re: [Equest-users] Aircraft Hanger Modeling</span><o:p></o:p></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'>Matthew,</span><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'>using the infiltration could be the way to go, I know that it is possible to create a parametric run for infiltration but is it possible to put it on a schedule?</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt'>thank you</span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Mon, Apr 4, 2011 at 3:38 PM, <<a href="mailto:MatthewRLarson@eaton.com" target="_blank">MatthewRLarson@eaton.com</a>> wrote:<o:p></o:p></p><div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Just a thought, but could you treat it as infiltration. Under Internal Loads, specify a high infiltration rate and create an infiltration schedule based on hangar doors opening and closing at different times during the day. If anyone has any other ideas, please share.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Thanks,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-GB style='font-size:10.0pt;color:black'>Matthew Larson, LEED AP BD+C<br></span></b><span lang=EN-GB style='font-size:10.0pt;color:black'>Project Engineer</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span lang=EN-GB style='font-size:10.0pt;color:black'>Energy Solutions Group</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'>E M C Engineers, Inc.<br>Eaton’s Electrical Services & Systems <br>143 Union Blvd, Suite 350<br>Lakewood, CO 80228<br>tel: +1 <a href="tel:303%20328-3419" target="_blank">303 328-3419</a><br>mobile: +1 <a href="tel:303%20668-2511" target="_blank">303 668-2511</a><br>fax: <a href="tel:%2B1%20303%20974-1239" target="_blank">+1 303 974-1239</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'><a href="mailto:MatthewRLarson@Eaton.com" target="_blank">MatthewRLarson@Eaton.com</a> <br><a href="http://www.eaton.com/energysolutions" target="_blank">www.eaton.com/energysolutions</a> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'><b>Error! Filename not specified.</b></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt'>From:</span></b><span style='font-size:10.0pt'> <a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a> [mailto:<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>nabil koubaa<br><b>Sent:</b> Monday, April 04, 2011 12:20 PM<br><b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br><b>Subject:</b> [Equest-users] Aircraft Hanger Modeling</span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hello all-<o:p></o:p></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I'm modeling an aircraft hanger and I'm not sure how to model hanger doors being opened and closed at different times per day.<o:p></o:p></p></div></div></div></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>Equest-users mailing list<br><a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><br>To unsubscribe from this mailing list send a blank message to <a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></p></div><p class=MsoNormal><br><br clear=all><br>-- <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p>Arpan Bakshi<i><span style='font-family:"Arial","sans-serif"'> <span style='color:#999999'> </span></span></i><span style='font-family:"Arial","sans-serif";color:#999999'>LEED AP BD+C</span><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></DIV></BODY></HTML>