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Journal of Chemical and Petroleum Engineering، جلد ۵۰، شماره ۲، صفحات ۶۱-۷۲
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Application of “Sink & Source” and “Stream wise” Methods for Exergy Analysis of Two MED Desalination Systems |
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| چکیده انگلیسی مقاله |
Utilization of fossil fuel for supplying of requires energy of desalination systems is common. On the other hand, solar energy is one of the high-grade energies in the world that can be found specifically in hot weather places. Therefore, utilization of solar energy for operation of desalination systems will reduce greenhouse gases and is a good alternative way. Common exergy analysis method (stream wise) uses input and output exergy of streams to calculate the efficiency and exergy loss. Another exergy analysis method, named "Sink & Source", is illustrated in the present study. The Stream wise method usually computes efficiency of systems as higher than a reliable value. For example, the computed exergy efficiency of presented high capacity MED desalination system is 88.63%, while this value is estimated about 1.04% from the new method. The uselessness of the traditional method for analyzing presented low-capacity MED desalination system is also shown. For example, the computed exergy efficiency of a low-capacity desalination system was 97.51%, while a value of 42.57% was obtained from the new method. A solar field and a solar heating system are suggested for presented high capacity and low capacity MED, respectively. Furthermore, an economic analysis of afore said desalination system is presented. |
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| نویسندگان مقاله |
Hossein Ahamdi Danesh-Ashtiani |
Islamic Azad University of South Tehran Branch.
Hamid Abdollah-Zargar |
Islamic Azad University of South Tehran Branch.
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| نشانی اینترنتی |
https://jcpeng.ut.ac.ir/article_60506_e4a8e57ca516bc1315cf56fd46dd5eee.pdf |
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| زبان مقاله منتشر شده |
en |
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