کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
644817 1457134 2016 13 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Selection of optimal mixed liquid desiccants and performance analysis of the liquid desiccant cooling system
ترجمه فارسی عنوان
انتخاب مخلوط مایع مخلوط بهینه و تجزیه و تحلیل عملکرد سیستم خنک کننده مایع
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
چکیده انگلیسی
Liquid desiccant cooling system is an energy-conservative and environment-friendly air-conditioning system. Its performance is strongly influenced by the thermal properties of liquid desiccant, especially the surface vapor pressure. Mixed liquid desiccant may have better dehumidification efficiency, lower material cost and lower energy consumption. But it is difficult to analyze its thermal properties. To improve on this, our paper proposes a method based on the NRTL equation to predict the vapor pressure of mixed liquid desiccants. Six absorbent solutions (LiBr/LiCl + CaCl2/MgCl2 + water/methanol) have been analyzed, and systems employing them have also been investigated. The results show that the dehumidification efficiency of mixed liquid desiccant was higher than that of a single solution. The LiBr-CaCl2-water system can obtain higher COP compared with other systems under the condition of the same dehumidification performance in summer. Moreover, the LiCl-methanol-water may be a potential absorbent for energy saving. The results are meaningful for the selection of suitable liquid desiccants and engineering design.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Thermal Engineering - Volume 94, 5 February 2016, Pages 622-634
نویسندگان
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