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energy, exergy and economic analysis of solar air heaters with different roughness geometries
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نویسنده
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shadi milad ,davodabadi farahani somayeh ,hajizadeh aghdam abolfazl
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منبع
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journal of solar energy research - 2020 - دوره : 5 - شماره : 2 - صفحه:390 -399
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چکیده
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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 ushape turbulator. nsga ii and topsis algorithms used to select the best roughness geometry.
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کلیدواژه
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solar air heater ,exergy ,annual cost ,roughness ,nsga ii
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آدرس
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arak university of technology, department of mechanical engineering, iran, arak university of technology, department of mechanical engineering, iran, arak university of technology, department of mechanical engineering, iran
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پست الکترونیکی
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a.hajizade@arakut.ac.ir
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Authors
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