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Active Cooling e-Textiles for Smart Clothing

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Journal of Donghua University(English Edition) 2006年第5期23卷 24-26页

作者： Seung-A lee jooyong Kim Department of Textile Engineering Soongsil University Seoul 156-743 Korea

Cooling function is definitely one of the most desirable attributes of clothing. In spite of the recent progress on phase changing material （PCM） research, the final products with sufficient amount of cooling capability have not yet to be developed in market. A new concept of cooling fabrics has been proposed by applying ＂Peltier effect＂ to textile materials. It occurs whenever electrical current flows through two dissimilar conductors t depending on the direction of current flow, the junction of the two conductors will either absorb or release heat. This effect has been tested on P-type and N-type conducting polymers. A P-type conductive polypyrrole coated fabric was synthesized by in- situ polymerization on plain weave PET to make conductive fabrics. And an *** electrically conductive material was synthesized by treatment of MWNT and polyethyleneimine （PEI）. A noticeable amount of temperature difference has been found in the fabric.

关键词： Peltier effect P-type N-type conducting polymers pol ypyrrole MWNT pol yeth ylereneimine( PEI).

Development of a Measurement System Far-IR Using a MCT Sensor

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Journal of Donghua University(English Edition) 2006年第5期23卷 80-82页

作者： Hangjin Cho Seung-A lee jooyong Kim Department of Textile Engineering Soongsil University Seoul Korea

The far-infrared radiation （Far-IR） has good effects on us, promoting the circulation of the blood and metabolic. So textile products including far-IR have been developed. But it is very difficult to measure the amount of far-IR in the textile quicHy and correctly. Newly developed Mercury Cadmium Telluride （MCT） sensor system could solve this problem.

关键词： far-lR frequency radiation MCT.

Air Filter Simulation by Geodict

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Journal of Donghua University(English Edition) 2006年第5期23卷 45-48页

作者：王新鹏 Kitai Kim Changhwan lee jooyong Kim Department of Textile and Engineering Soongsil University Seoul 156-743 Korea

In this paper, we discussed the relationship of filter effictency and pressure drop with the porosity, fiber diameter and filter thickness by Oeodict. We found that filter efficiency will increase when filter porosity and fiber diameter decreasing or filter thickness increasing. And the pressure drop has a linear relationship with filter thickness and non-linear relationship with filter porosity and fiber diameter. We also compared the simulation results with the real test results by TSI 3160. Although there are some differences, I think Ocodict can be used to predict filter effictency and pressure drop.

关键词： filter simulation Geodict filter efficiency pressure drop porosity.