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Second Thermal and Fluids Engineering  Conference

ISSN: 2379-1748
ISBN: 978-1-56700-430-4

Solidification Enhancement in Triplex-Tube Latent Thermal Energy Storage System Using a Combination of Nanoparticles and Fins

Jasim M. Mahdi
Department of Mechanical Engineering, Southern Illinois University, Carbondale, IL 62901, USA

Emmanuel C. Nsofor
Department of Mechanical Engineering, Southern Illinois University, Carbondale, IL 62901, USA

Abstract

A combination of fins and nanoparticles in a phase change material (PCM) in a triplex-tube heat exchanger was modelled and validated with experimental results. The main objective is to overcome the low thermal conductivity effect of present day PCMs which result in very long energy recovery times, thus seriously affecting energy storage and recovery in thermal energy storage systems. The performance of the system was studied for energy recovery (solidification). Results show interesting findings including substantial reduction in energy recovery times.

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