Numerical Modeling of Year-Round Performance of a Solar Parabolic Dish Thermoelectric Generator

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• 作者：G. Muthu ; S. Shanmugam ; AR. Veerappan
• 关键词：Thermal network ; year ; round ; thermoelectric generator ; solar parabolic dish collector ; electrical power ; direct normal irradiation
• 刊名：Journal of Electronic Materials
• 出版年：2015
• 出版时间：August 2015
• 年：2015
• 卷：44
• 期：8
• 页码：2631-2637
• 全文大小：527 KB
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• 作者单位：G. Muthu (1)
  S. Shanmugam (1)
  AR. Veerappan (1)
  
  1. Department of Mechanical Engineering, National Institute of Technology, Tiruchirappalli, 620015, Tamil Nadu, India
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Optical and Electronic Materials
  Characterization and Evaluation Materials
  Electronics, Microelectronics and Instrumentation
  Solid State Physics and Spectroscopy
  
• 出版者：Springer Boston
• ISSN：1543-186X

文摘

This paper presents the year-round performance of a solar parabolic dish thermoelectric generator under different values of operating parameters such as ambient temperature, wind velocity, direct normal irradiation, and water inlet temperature to the heat sink. The solar thermoelectric generator (TEG) is examined for an Indian location of Tiruchirappalli. The electrical power output and TEG efficiency are maximum during the months of April and August, while they are minimum during the month of December. It is found that the monthly average hot-side temperature of the TEG varies from 556.53?K to 592.68?K and the cold-side temperature of the TEG varies from 413.21?K to 438.91?K. When the hot-side temperature reaches the optimum value, the conversion efficiency is reduced, although the power increases. A TEG model is useful to find the temperature of the junctions for different operating parameter values and predict the performance of the TEG at any time. A small standalone power-generating system using this technology is a promising option.