[의류제품] Heat and Moisture Transfer with Sorption and Phase Change Through Clothing Assemblies: Part II: Theoretical Modeling, Simulation, and Comparison with Experimental Results 출판일 : 2005.03.01 저자 : Jintu Fan and Xiao-Yin Cheng 서지사항 : Textile Research Journal, Volume 75, No 3, 187페이지 등록일 : 2012.01.31 I 조회수 : 113 작성자 : admin |
Part II of this series reports on a theoretical model and simulation results of coupled heat
and moisture transfer with phase change and mobile condensates in clothing assemblies
consisting of porous fibrous battings sandwiched by inner and outer layers of a thin
covering fabric. The model considers moisture movement induced by partial water vapor
pressure, a super saturation state in the condensing region, dynamic moisture absorption of
fibrous materials, and the movement of liquid condensates. The theoretical results of the
model are compared and agree well with the experimental ones. A numerical simulation
using the model shows that inner fibrous battings with higher fiber contents, finer fibers,
greater fiber emissivity, higher air permeability, a lower disperse coefficient of surface free
water, and a lower moisture absorption rate cause less condensation and moisture
absorption, which is beneficial to thermal comfort during and after exercising in cold
weather conditions.
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