Affiliation:
1. Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA 94720
Abstract
An experimental study was performed to investigate the possible use of a compound that undergoes solid-to-solid phase transformation for energy storage in a fluidized bed configuration, and to determine the heat transfer characteristics of this system. It was shown that the heat transfer coefficients from a surface immersed in the fluidized bed are a function of the bed temperature and of the temperature of the immersed surface. The heat transfer process is enhanced by the phase transformation by as much as a factor of four relative to the heat transfer in the same material without phase transformation. The experimental results suggest the possible existence of a thermal resistance between the surface immersed in the fluidized bed and the particles, which is responsible for the particular experimentally observed thermal behavior.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
Cited by
2 articles.
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1. Thermal energy storage in a fluidized bed of PCM;Chemical Engineering Journal;2013-08
2. Heat transfer — a review of 1989 literature;International Journal of Heat and Mass Transfer;1990-11