NDLI: Transient Analysis for a Double-Pass Solar Collector With and Without Porous Media

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Elradi, A. Musa Sopian, K. Abdullah, Shahrir
Copyright Year	2002
Abstract	The double-pass solar collector with porous media in the lower channel provides a higher outlet temperature compared to the conventional single-pass collector. Therefore, the thermal efficiency of the solar collector is increasing. The solar collector can be used for a wide variety of applications such as solar industrial process heat and solar drying of agricultural produce. A theoretical model has been developed for the double-pass solar collector. An experimental setup has been designed and constructed. Comparisons of the theoretical and the experimental results have been conducted. Such comparisons include the outlet temperatures and thermal efficiencies of the solar collector for various design and operating conditions. Close agreement has been obtained between the theoretical and experimental results. In addition, heat transfer and pressure drop relationships have been developed for air following through the porous media. The porous media has been arranged with difference porosities to increase heat transfer, area density and the total heat transfer rate. The heat transfer coefficient and friction factors are strong function of porosity.
Sponsorship	Solar Energy Division
Starting Page	127
Ending Page	133
Page Count	7
File Format	PDF
ISBN	0791816893
DOI	10.1115/SED2002-1043
Volume Number	Solar Energy
Conference Proceedings	ASME Solar 2002: International Solar Energy Conference
Language	English
Publisher Date	2002-06-15
Publisher Place	Reno, Nevada, USA
Access Restriction	Subscribed
Subject Keyword	Porous media Porosity Thermal efficiency Solar simulator Double-pass solar collector Solar collectors Transient analysis Porous materials Solar energy
Content Type	Text
Resource Type	Article

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