Wearable electronic design electrothermal properties of conductive knitted fabrics

Li Li, Wai Man Au, Feng Ding, Tao Hua, Kwok Shing Wong

    Research output: Journal article publicationJournal articleAcademic researchpeer-review

    26 Citations (Scopus)


    The static and dynamic behavior of a developed electrothermal fabric was studied using an electrothermal model that considers the following fabric parameters: thermal conductivity coefficient, specific heat capacitance, fabric mass, and initial temperature. An experiment was set up to measure the average temperature of the knitted fabric of ordinary materials, namely wool, cotton, and acrylic. These materials were knitted with silver-coated conductive yarns in three loop densities each at an applied electric power of 4 W. The calculated coefficient of determination is greater than 0.98, and the fit standard error is smaller than 1.11. Therefore, the analytical equation could accurately model the electrothermal characteristics of the thermal fabrics under an applied electric current and compute the temperature at a certain time for the same fabric using known parameters.

    Original languageEnglish
    Pages (from-to)477-487
    Number of pages11
    JournalTextile Research Journal
    Issue number5
    Publication statusPublished - Mar 2014


    • conductive yarn
    • electric power
    • electrical resistance
    • Electrothermal fabric
    • heat capacitance

    ASJC Scopus subject areas

    • Chemical Engineering (miscellaneous)
    • Polymers and Plastics


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