A study of layered combination of clothing fabrics with moisture transport model
The moisture distribution and its variations due to combinations of layers are of special importance, since different materials absorb different amounts of moisture and exhibit different transport properties. In the present study, we have developed both mathematical and experimental methods for evaluating relative humidity and water content profiles in layered porous material constructions. It is assumed that moisture fraction at the skin surface and environment keep constant without temperature gradient between them. A mathematical model was established with the introduction of thermodynamics of the surface diffusion. Surface diffusivity as a function of bound liquid fraction, moisture fraction in the interstice of the combination and bound liquid fraction as a function of time and distance from wet skin to environment are described. With the method of cobaltous chloride color, the experiment of the problem is carried out on self-designed apparatus. It is found that surface diffusion account for the difference in total moisture transfer properties in some way. The test examples performed verify that model is capable of handling moisture transfer problems in and between different materials. And the results of simulation and experiment show a good agreement.
Moisture transport surface diffusion non-linear surface diffusivity water content layered fabric combinations
Liu Hua Chen Yisong Zhang Weiyuan
Donghua University, Fashion Institute
国际会议
上海
英文
1182-1185
2009-05-27（万方平台首次上网日期，不代表论文的发表时间）