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Title: Research on transport mechanism model in porous fabrics
Other Titles: 织物热湿传输机理模型研究
Authors: Li, F
Liu, Y
Luo, Z
Li, Y 
Keywords: Porous media
Fabrics/desorption isotherm
Heat and mass transfer
Issue Date: 2003
Publisher: 大连理工大学
Source: 大连理工大学学报 (Journal of Dalian University of Technology), 2003, v. 43, no. 1, p. 28-32 How to cite?
Journal: 大连理工大学学报 (Journal of Dalian University of Technology) 
Abstract: 综述了织物的热湿传输机理模型的发展,介绍了服装面料的热湿传输过程;在此基础上,结合织物的传输特性,获得了以大气压力、湿分、温度为参数的三参数织物热湿传输模型.与现有的织物热湿传输模型不同,该模型从宏观上考虑了纤维的解吸等温特性对织物特性参数的影响,并且考虑到了毛细压力、重力、大气压力、蒸发凝结等作用下的气、液传输,以及气液流动、辐射对温度分布的影响.最后给出了一个算例,分析了其合理性.
This article reviews the development of models for heat and mass transfer in porous fabrics. A model for heat and mass transfer in fabrics is educed. The mathematical model consists of balance equations of mass and energy and of the appropriate constitutive equations. The chosen macroscopic field variables are gas pressure, humidity and temperature. The gas phase is considered to be an ideal gas composed of dry air and vapour, which are regarded as two miscible species. The evaporation\|condensation, conduction, convection, and radiative heat transfer are considered in this model. It takes into account the heat and mass transfer process in porous fabrics, the desorption isotherm properties and Kelvin′s equation are combined. The model makes further use of the desorption isotherm properties together with the capillary pressure relationship. Finally, the numerical example is investigated, and the results show that the model is feasible.
ISSN: 1000-8608
Rights: © 2003 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
© 2003 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
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