محبوبترین نویسندگان :
نویسندگان مقالات پربازدید :
مجله مواد الکترونیکی 2013
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال

  • thermoelectric generators for automotive waste heat recovery systems part i: numerical modeling and baseline model analysis

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 862
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     a numerical model has been developed to simulate coupled thermal and electrical energy transfer processes in a thermoelectric generator (teg) designed for automotive waste heat recovery systems. this model is capable of computing the overall heat transferred, the electrical power output, and the associated pressure drop for given inlet conditions of the exhaust gas and the available teg volume. multiple-filled skutterudites and conventional bismuth telluride are considered for thermoelectric modules (tems) for conversion of waste heat from exhaust into usable electrical power. heat transfer between the hot exhaust gas and the hot side of the tems is enhanced with the use of a plate-fin heat exchanger integrated within the teg and using liquid coolant on the cold side. the teg is discretized along the exhaust flow direction using a finite-volume method. each control volume is modeled as a thermal resistance network which consists of integrated submodels including a heat exchanger and a thermoelectric device. the pressure drop along the teg is calculated using standard pressure loss correlations and viscous drag models. the model is validated to preserve global energy balances and is applied to analyze a prototype teg with data provided by general motors. detailed results are provided for local and global heat transfer and electric power generation. in the companion paper, the model is then applied to consider various teg topologies using skutterudite and bismuth telluride tems.

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