https://fire-safety.academy/w/index.php?action=history&feed=atom&title=File%3AFse-vent-flow-v2.svg 2026-11-04T14:53:40Z Revision history for this page on the wiki MediaWiki 1.43.11 https://fire-safety.academy/w/index.php?title=File:Fse-vent-flow-v2.svg&diff=2153&oldid=prev 2026-11-02T16:16:56Z

<p>Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity</p> <p><b>New page</b></p><div>== Summary ==<br /> Pressure inside and outside a fire room with an open door: above the neutral plane smoke flows out, below it air flows in. Based on Emmons (2002), pp. 2-34 and 2-36.<br /> <br /> Original illustration for [[Vent flow]], level 4 Expert.<br /> <br /> * Source basis: Emmons (2002), p. 2-34 (Equation 16 and Figure 2-3.4: pressure gradients on each side of a door), p. 2-36 (neutral axis where inside and outside pressure are equal); Van Rossum (2027), §3.2 (neutral plane, air in below, smoke out above)<br /> * Alt text: Left: room with hot layer and door, smoke out above and air in below. Right: inside and outside pressure lines crossing at the neutral plane.<br /> <br /> == Licensing ==<br /> New drawing by Fire Safety Academy. © Fire Safety Academy.</div>

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