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TECHNICAL PAPERS

Solid/Liquid Phase Change in Presence of Natural Convection: A Thermal Energy Storage Case Study

[+] Author and Article Information
M. Pinelli, S. Piva

Dipartimento di Ingegneria—University of Ferrara Via Saragat, 1-44100 Ferrara, Italy

J. Energy Resour. Technol 125(3), 190-198 (Aug 29, 2003) (9 pages) doi:10.1115/1.1591204 History: Revised May 01, 2001; Online August 29, 2003
Copyright © 2003 by ASME
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References

Figures

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Geometry and boundary conditions for the problem considered
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Test case 1—Problem statement
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Test case 1—Comparison between analytical and numerical results of the interface position
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Test case 2—Problem statement
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Test case 2—Isotherm at T=0°C and velocity field at t=1000 s
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Property-temperature functions: (a) thermal conductivity; (b) specific heat
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Experimental and numerical temperature distributions: (— ) experimental and numerical boundary conditions, (▵) experimental data, (–) FLUENT numerical results, (---) Pinelli et al. 13 numerical results, (−-−) melting temperature Tf.
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Calculated energy storage: (▵) FLUENT numerical results, (---) Pinelli et al. 13 numerical results
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Flow field and melting temperature isotherm Tf at times t=16 h, 24 h, 36 h and 48 h
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Flow field and melting temperature isotherm Tf at time t=10 h

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