کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5013214 | 1462827 | 2017 | 19 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Analytical characteristic equation of nanofluid loaded active double slope solar still coupled with helically coiled heat exchanger
ترجمه فارسی عنوان
معادله تحلیلی از شیب دوگانه فعال پوشیده شده با نانو فلزی هنوز هم همراه با مبدل حرارتی حلقه ای پیچیده است
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کلمات کلیدی
فعال خورشیدی هنوز، نانو سیال، مبدل حرارتی، انرژی حرارتی و بازده اضافی،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی (عمومی)
چکیده انگلیسی
Nanofluids are embryonic fluids and promising thermal energy carrier in solar thermal applications due to their superior thermo-physical and optical properties. In present communication, an analytical expression of the characteristic equation of two different systems viz. (A) active double slope solar still coupled with series connected partially covered N photovoltaic thermal flat plate collectors (N-PVT-FPC) and operating without helical heat exchanger; and (B) active double slope solar still coupled with series connected partially covered N-PVT-FPC and operating with helical heat exchanger has been developed. Analysis has been executed for 0.25% concentration of CuO, Al2O3, TiO2-metallic nanoparticles; four number of collectors; 100Â kg basin fluid (BF/NF) mass and 0.03Â kg/s mass flow rate. The maximum values of instantaneous gain thermal energy efficiency (CuO80.18%;Al2O371.67%;TiO274.92%) and instantaneous loss thermal energy efficiency (CuO64.12%;Al2O359.11%;TiO264.77%) of the system (A) are found to be significantly higher in comparison the basefluid (gain66.81%;loss52.42%). The productivity of system (A) and system (B) are (CuO32%;Al2O319.23%;TiO26.47%) and (CuO31.49%;Al2O326.4%;TiO27.26%) respectively, higher in comparison to the case using basefluid (water). Moreover, thermal energy and exergy; and thermal exergy efficiency has been evaluated for both the systems.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Energy Conversion and Management - Volume 135, 1 March 2017, Pages 308-326
Journal: Energy Conversion and Management - Volume 135, 1 March 2017, Pages 308-326
نویسندگان
Lovedeep Sahota, Shyam Shyam, G.N. Tiwari,