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<p>Safwan Kanan -</p>
<p>The ventilation air properties should be the same as would occur in the actual system being modeled. The supply air flow rate is the amount of air entering the zone - whether it is all outside air or all return air or a mix depends on the design of the system.</p>
<p>Regards,</p>
<p>Tim</p>
<p> </p>
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<pre>---<br />Timothy P. McDowell
Executive Vice President
Thermal Energy System Specialists, LLC
22 N Carroll St, Suite 370
Madison, WI 53703
608-274-2577</pre>
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<p>On 2015-11-08 15:38, Safwan Kanan wrote:</p>
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<div id="yiv2266591340yui_3_16_0_1_1446411986331_8142">Dear All,</div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8653"> </div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8226" dir="ltr">After defining AIR FLOW, TEMPERATURE and HUMIDITY as an INPUTS.</div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8271"> Any ideas for calculate Building Ventilation when the building connect with mechanical air conditioning system</div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8450">(external cooling equipment)? </div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8557" dir="ltr">I think the AIR FLOW will be supply air to building.</div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8598" dir="ltr"> </div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8599" dir="ltr">Supply air flow =Total air flow = Ventilation air flow +Return air flow from building</div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8620" dir="ltr"> </div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8635" dir="ltr">I look forward to hearing from you soon.</div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8646" dir="ltr"> </div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8647" dir="ltr">Regards,</div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8648" dir="ltr"> </div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8656" dir="ltr">Safwan Kanan</div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8657" dir="ltr">PhD student </div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8658" dir="ltr">University of Manchester</div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8659" dir="ltr">Manchester</div>
<div id="yiv2266591340yui_3_16_0_1_1446411986331_8660" dir="ltr">M13 9PL</div>
<div dir="ltr">UK</div>
<div id="yui_3_16_0_1_1447016396036_8740"> </div>
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