کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9759258 | 1497702 | 2005 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Performance analysis of a compressor driven metal hydride cooling system
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
A compressor-driven metal hydride cooling system is analyzed in terms of its energetic and exergetic efficiencies. Applying the first and second laws of thermodynamics, the system COP, contribution of individual irreversibilities and the second law efficiency of the system are obtained. Effects of important design and operating parameters on system performance are presented. Performance comparison is made between systems working with established metal hydrides (MmNi4.5Al0.5 and Fe0.85Mn0.15Ti) and an assumed metal hydride of high hydrogen storage capacity. Studies reveal that the system performance depends mainly on the temperature drops at the high- and low-temperature reactors and compressor efficiency. It is observed that when the temperature drops are high, there is no significant difference between the well-established hydrides and the assumed hydride. It is observed that in order to compete with commercially available vapour compression refrigeration systems in terms of performance, the metal hydride reactors need to be designed for minimum temperature difference between the external medium and the hydride beds.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 30, Issue 10, August 2005, Pages 1127-1137
Journal: International Journal of Hydrogen Energy - Volume 30, Issue 10, August 2005, Pages 1127-1137
نویسندگان
S.S. Bedbak, M. Ram Gopal,