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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 /> Effective heat transfer coefficient of 16 mm gypsum plaster against time; the thermal penetration time is about 161 s. Based on Walton and Thomas (2002), pp. 3-176–3-177.<br /> <br /> Original illustration for [[MQH correlation]], level 4 Expert.<br /> <br /> * Source basis: Walton and Thomas (2002), p. 3-176 (Equations 13 to 15) and p. 3-177 (example values: tp = 161.3 s, hk = 0.24, 0.098 and 0.03)<br /> * Alt text: Line chart: heat transfer coefficient of a gypsum plaster lining falls with time, then drops to a constant value at 161 seconds.<br /> <br /> == Licensing ==<br /> New drawing by Fire Safety Academy. © Fire Safety Academy.</div>

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