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<p>The effects on the measurement of water sorption and apparent diffusivity when using different flow rate values and different&#xa0;experimental setups, i.e., closed pan, open pan and hanging setup, have been studied in a series of Dynamic Vapor Sorption (DVS) experiments on a spruce sample. The results confirm a concave exponential growth dependency between apparent diffusivity and flow rate and an effect from the setup used, with the hanging setup being optimal for conducting such experiments due to the exposure of both areas of the disk to the airflow.</p>

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Determination of the water diffusivity dependence with the flow rate using a DVS equipment

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年1月2日

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  • Antoni Sánchez-Ferrer,
  • Max Engelhardt

摘要

The effects on the measurement of water sorption and apparent diffusivity when using different flow rate values and different experimental setups, i.e., closed pan, open pan and hanging setup, have been studied in a series of Dynamic Vapor Sorption (DVS) experiments on a spruce sample. The results confirm a concave exponential growth dependency between apparent diffusivity and flow rate and an effect from the setup used, with the hanging setup being optimal for conducting such experiments due to the exposure of both areas of the disk to the airflow.