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Energy, Exergy and Economic Analysis of Solar Air Heaters with Different Roughness Geometries | ||
| Journal of Solar Energy Research | ||
| مقاله 2، دوره 5، شماره 2، مرداد 2020، صفحه 390-399 اصل مقاله (895.89 K) | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.22059/jser.2020.297646.1142 | ||
| نویسندگان | ||
| Milad Shadi؛ Somayeh Davodabadi Farahani؛ Abolfazl Hajizadeh Aghdam* | ||
| Daneshgah St. | ||
| چکیده | ||
| Artificially roughened surface is a comon method to enhance the heat transfer in a flow passage. Energy, exergy and economic analysis of solar air heaters with different roughness geometries have been done. To improve the performance of the solar collector, 4 different types of roughness on the absorber plate have been used. It was found that the most efficient roughness is Discrete V Rib and the least expensive roughness is U-Shape turbulator. NSGA II and TOPSIS algorithms used to select the best roughness geometry. | ||
| کلیدواژه‌ها | ||
| Solar Air Heater؛ Exergy؛ Annual Cost؛ Roughness؛ NSGA II | ||
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آمار تعداد مشاهده مقاله: 345 تعداد دریافت فایل اصل مقاله: 469 |
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