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In this work, high ambient pressure impulse drying (HAPID) experiments were conducted with thermo-couple containing handsheets to allow the measurement of internal sheet temperatures. The temperature data were used to deduce temperature differences between the inside and outside of the sheets and to relate these to delamination. The results support the view that delamination occurs when the pressure difference across the sheet is too high, and the buildup of internal pressure bursts the sheet.
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Opening the Operating Window of Impulse Drying: II. Pressure Differential as a Source of Delaminati