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Coupled heat and moisture transport in paper with application to a warm print surface

机译：将纸张中的热和湿气耦合传输并应用于温暖的打印表面

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摘要

In this work we present a mathematical model describing the coupled heat and moisture transport in paper. The model is solved numerically and the numerical solution is used to study the interdependency of the moisture and temperature distribution in paper. The results show that variation with temperature of the saturated water vapor concentration and the sorption isotherm parameters are both important for inducing moisture desorp-tion. It is also found that for steep relative humidity ramps moisture sorption generates temperature increments that slow down the sorption process itself. The model is also used to study the moisture gradients in a paper sheet inside a printer from Oce Technologies, which contains a warm print surface. The results predict changes in moisture content of only 0.2％, which suggests that no deformations are induced on the printed sheet.
机译：在这项工作中，我们提出了一个数学模型，描述了纸张中热量和水分传输的耦合。对模型进行了数值求解，并使用数值解来研究纸中水分和温度分布的相互依赖性。结果表明，饱和水蒸气浓度随温度的变化以及吸附等温线参数对于引起水分解吸均很重要。还发现对于陡峭的相对湿度坡度，水分吸附会产生温度升高，从而减慢吸附过程本身。该模型还用于研究Oce Technologies打印机内部的纸张中的水分梯度，该纸张包含温暖的打印表面。结果预测含水量只有0.2％的变化，这表明在印刷的纸张上不会引起变形。

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  • 来源
    《Applied Mathematical Modelling》 |2013年第13期|7273-7286|共14页
  • 作者

    Paula Andrea Marin Zapata; Maurice Fransen; Jan ten Thije Boonkkamp; Louis Saes;

  • 作者单位

    Department of Mathematics and Computer Science, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands Bioquant, Heidelberg University, Im Neuenheimer Feld 267, 69120 Heidelberg, Germany;

    Mesoscopic Transport Phenomena, Department of Applied Physics, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands Department of Mechanical Engineering, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands;

    Centre for Analysis, Scientific computing and Applications (CASA), Department of Mathematics and Computer Science, Eindhoven University of Technology,5600 MB Eindhoven, The Netherlands;

    Oce Technologies B.V., 5914 CA Venlo, The Netherlands;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Porous medium; Paper; Heat transport; Moisture sorption; Printer;

    机译：多孔介质纸;热传输;水分吸附打印机;

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