Characterizing the performance of a single-layer fabric system through a heat and mass transfer model - part I: Heat and mass transfer model

Ding D.; Tang T.; Song G.McDonald A.

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Characterizing the performance of a single-layer fabric system through a heat and mass transfer model - part I: Heat and mass transfer model

机译：通过传热和传质模型表征单层织物系统的性能 - 第一部分：传热和传质模型

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A mathematical model was developed to study the coupled heat and moisture transfer through a fabric system that consists of a single layer of fabric and an air gap. Properties of air and moisture are sensitive to temperature and, hence, were assumed to be functions of local temperature. Therefore, the model is applicable to a broad range of boundary conditions. A numerical scheme was proposed to solve the distributions of temperature and water vapor concentration throughout the layers, from which the thermal and evaporative resistances of the fabric system were evaluated. Experiments were conducted for two particular fabrics using a sweating guarded hotplate, and the data show good agreement with the model predictions, suggesting that the heat and mass transfer model is capable of accurately predicting thermal and evaporative resistances for the single-layer fabric system.

机译：开发了一个数学模型来研究通过由单层织物和气隙组成的织物系统的耦合热和水分传递。空气和水分的性质对温度很敏感，因此被认为是当地温度的函数。因此，该模型适用于广泛的边界条件。提出了一种数值方案来求解各层温度和水蒸气浓度的分布，并据此评估了织物体系的热阻和蒸发阻力。使用防汗电热板对两种特定织物进行了实验，结果与模型预测结果吻合良好，表明传热传质模型能够准确预测单层织物体系的热阻和蒸发阻力。

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来源
《Textile research journal》 |2011年第4期|398-411|共14页
作者
Ding D.; Tang T.; Song G.McDonald A.;
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作者单位

Department of Mechanical Engineering, University of Alberta, Mechanical Engineering Building, Edmonton, T6G 2G8, Canada;

Department of Human Ecology, University of Alberta, Canada;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类纺织工业、染整工业;
关键词
evaporative resistance; heat and mass transfer model; Single-layer fabric system; thermal resistance;

机译：蒸发电阻;传热传质模型;单层织物系统;热阻;

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Characterizing the performance of a single-layer fabric system through a heat and mass transfer model - part I: Heat and mass transfer model

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