کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1731891 1521457 2015 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Thin-film solar thermoelectric generator with enhanced power output: Integrated optimization design to obtain directional heat flow
ترجمه فارسی عنوان
ژنراتور ترموالکتریک خورشیدی با قدرت خروجی افزایش یافته: طراحی یکپارچه بهینه سازی برای به دست آوردن جریان گرمای هدایت شده
کلمات کلیدی
ژنراتور ترموالکتریک نازک فیلم، برداشت انرژی خورشیدی، بهینه سازی دستگاه ترموالکتریک، عملکرد تولید ترموالکتریک،
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی (عمومی)
چکیده انگلیسی
Thin-film STEGs (solar thermoelectric generators) show promise in effective use of solar energy as a power supply for wireless sensors and microscale devices. This paper reports a simulation procedure that aims to identify desirable heat flow and temperature distribution to improve the performance of thin-film STEGs. The temperature distribution, heat flux, and voltage of a thin-film STEG are simulated using the finite element method, resulting in an optimal design of the substrate, heat conductive layer, and thermoelectric legs of thin-film STEGs. The effect of air convection on the STEG's performance is also studied. Based on the simulation, a thin-film STEG was designed and fabricated, which exhibits an open-circuit voltage of 22 mV. In addition, the experimental results demonstrate that the measured temperature distribution is in good agreement with the simulated result. To minimize the heat loss from the passive region of the device, an improved design was created in an attempt to confine the heat flow within the thermoelectric legs. This improved design resulted in a 21.4% increase of the output voltage.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Energy - Volume 89, September 2015, Pages 106-117
نویسندگان
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