Energy and Exergy Analysis of Solar Air Heaters with Varied Geometries

被引：43
|
作者：
Velmurugan, P. [1 ]
Kalaivanan, R. [1 ]
机构：
[1] Annamalai Univ, Dept Mech Engn, Madras, Tamil Nadu, India
来源：
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING | 2015年 / 40卷 / 04期
关键词：
Wire mesh; Energy; Exergy; Solar air heater; Efficiency; Dual pass; OPTIMAL THERMOHYDRAULIC PERFORMANCE; WIRE MESH; FLAT-PLATE; THERMAL PERFORMANCE; FINS; COLLECTORS; FLOW; IMPROVEMENT; EFFICIENCY; ABSORBER;
D O I：
10.1007/s13369-015-1612-2
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
An indoor standard test procedure is developed to experimentally investigate the steady state energy and exergy performance of single-pass flat plate solar air heater (SPFPSAH), roughened plate dual-pass solar air heater (RPDPSAH), finned plate dual-pass solar air heater (FPDPSAH) and wire mesh dual-pass solar air heater (WMDPSAH) at varied mass flow rates and solar intensities. The analytical solution of the energy balance equations for various elements of the SPFPSAH, RPDPSAH, FPDPSAH and WMDPSAH is determined using a MATLAB 8.1 program and correlated with experimental findings. The analytical and experimental results show that the energy and exergy performance of WMDPSAH is superior to FPDPSAH, RPDPSAH and SPFPSAH. The pressure drop of WMDPSAH is higher than that of FPDPSAH, RPDPSAH and SPFPSAH. From the economic analysis, WMDPSAH is found economically viable within the opted conditions compared with FPDPSAH and RPDPSAH. The analytical and experimental results are in fairly good agreement.
引用
收藏
页码：1173 / 1186
页数：14
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