International Journal of Science and Technology

International Journal of Science and Technology>> Volume 7, Number 9, September 2017

International Journal of Science and Technology


Experimental Investigation of Packed Bed Solar Thermal Energy System with Cylindrical Elements

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Author Varun, F. Singh, S. K. Tyagi , Himanshu Nautiyal
On Pages 43-50
Volume No. 1
Issue No. 1
Issue Date July 01, 2011
Publishing Date July 01, 2011
Keywords Packed bed, solar, cylindrical, energy



Abstract

The conversion of solar radiations into thermal energy is the easiest way to store solar energy. An experimental study has been conducted on large size cylindrical elements which having different orientation (horizontal and vertical) to see the effect of system and operating parameters on heat transfer and pressure drop characteristics of the packed bed solar energy storage system. Based upon this experimentation, correlations have been developed for Nusselt number and friction factor as a function of Reynolds number and void fraction. These developed correlations are effective to predict the performance of solar thermal energy storage system for large cylindrical elements. 

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