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<p>Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity</p> <p><b>New page</b></p><div>== Summary ==<br /> Air leakage through the gap of a closed door against the pressure difference, for gap areas of 0.01 m² and 0.024 m². Based on Klote (2002), pp. 4-280 and 4-288.<br /> <br /> Original vector illustration for [[Stair pressurisation]], level 2 Intermediate.<br /> <br /> * Source basis: Klote (2002), p. 4-280 (Eq. 5a), pp. 4-280 to 4-281 (door with 0.01 m² crack), p. 4-288 (door gap 0.024 m²)<br /> * Alt text: Line chart: airflow through a door gap against pressure difference, two rising curves that flatten, for gaps of 0.01 and 0.024 square metres.<br /> <br /> == Licensing ==<br /> New drawing by Fire Safety Academy. © Fire Safety Academy.</div>

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