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

  • an investigation on the coupled thermal–mechanical–electrical response of automobile thermoelectric materials and devices

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 808
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     thermoelectric (te) materials, which can directly convert heat to electrical energy, possess wide application potential for power generation from waste heat. as te devices in vehicle exhaust power generation systems work in the long term in a service environment with coupled thermal–mechanical–electrical conditions, the reliability of their mechanical strength and conversion efficiency is an important issue for their commercial application. based on semiconductor te devices wih multiple p–n couples and the working environment of a vehicle exhaust power generation system, the service conditions of the te devices are simulated by using the finite-element method. the working temperature on the hot side is set according to experimental measurements, and two cooling methods, i.e., an independent and shared water tank, are adopted on the cold side. the conversion efficiency and thermal stresses of the te devices are calculated and discussed. numerical results are obtained, and the mechanism of the influence on the conversion efficiency and mechanical properties of the te materials is revealed, aiming to provide theoretical guidance for optimization of the design and commercial application of vehicle te devices.

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