The heat and moisture transfer balance theory of garment simulation

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Abstract

To establish the human body model to analyze the heat and moisture transfer on body surface, a new explicit definition of rational L-recursion surface is given and the L-recursion surfaces, in Grassmann spaces, are constructed by using blossom method of the homogeneous normal pyramid form. Based on our human body model, the balance theory of garment simulation, the heat and moisture transfer balance equations, called ICAD-balance equations are obtained. The balance theory of garment simulation integrally studies the complex system of human body–fabric–environment. At the same time, the method of obtaining the heat and moisture transfer balance equations is also based on the mass conservation law, the energy conservation law and the Fish law of capillarity. A finite volume method is employed to solve the ICAD-balance equations.

Keywords

Balance theory
Heat and moisture transfer
Grassmann space
Blossom methods
Finite volume methods

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This work is supported by NSFC Guangdong Joint Fund (U0735001, U0835004, U0935004) and National Key Technology R&D Program of China (No. 2007BAH13B01).