کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7153506 | 1462477 | 2016 | 23 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The use of parabolic trough collectors for solar cooling - A case study for Athens climate
ترجمه فارسی عنوان
استفاده از جمع کننده های پارابولی برای خنک سازی خورشیدی - مطالعه مورد برای آب و هوای آتن
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کلمات کلیدی
جمع کننده پارابولیک، خنک کننده خورشیدی، تجزیه و تحلیل پارامتریک، مدل عددی، چیلر جذب،
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی مکانیک
چکیده انگلیسی
Solar cooling is a state of the art technology in the last years, especially for countries with high irradiation level as Greece. The objective of this study is to determine the performance of an efficient solar cooling system for Athens, the most populated city in Greece. The examined solar cooling system is a one stage water/lithium-bromide absorption chiller driven by a parabolic trough collector coupled with a storage tank. A numerical model is developed in order to simulate the dynamic performance of this system. Many parameters have been investigated through sensitivity analyses and their optimum values are determined. The mass flow rates and the storage tank volume are the parameters that have been examined parametrically. The final results proved that by using a PTC module with an aperture area of 14Â m2, a building area of about 25Â m2 can be cooled for 13Â h daily during the summer period. The optimum specific mass flow rate was determined to 0.03Â kg/sm2 and the optimum storage tank volume to 0.3Â m3. Moreover, a case study for a typical building of 100Â m2 is presented with very satisfying results, where four PTC modules are used in parallel connection.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Case Studies in Thermal Engineering - Volume 8, September 2016, Pages 403-413
Journal: Case Studies in Thermal Engineering - Volume 8, September 2016, Pages 403-413
نویسندگان
Christos Tzivanidis, Evangelos Bellos,