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TECHNICAL PAPERS: Melting and Solidification

Experimental Investigation of Convective Melting of Granular Packed Bed Under Microgravity

[+] Author and Article Information
J. Jiang, Y. Hao, Y.-X. Tao

Department of Mechanical Engineering, Tennessee State University, Nashville, TN 37209

J. Heat Transfer 124(3), 516-524 (May 10, 2002) (9 pages) doi:10.1115/1.1469521 History: Received August 10, 2000; Revised November 01, 2001; Online May 10, 2002
Copyright © 2002 by ASME
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References

Feuerbacher, B., Hamacher, H., and Naumann, R. J., 1986, Material Science in Space, Springer-Verlag, Berlin.
Barbieri,  F., and Patuelli,  C., 1988, “Eutectic Structures of Ag-Cu after Melting and Solidification in Microgravity and on Earth,” Metall. Trans. A, 19, pp. 2659–2668.
Shirvanian,  A., Faghri,  M., Zhang,  Z., and Asako,  Y., 1998, “Numerical Solution of the Effect of Vibration on Melting of Unfixed Rectangular Phase-Change Material Under Variable-Gravity Environment,” Numer. Heat Transfer, Part A, pp. 257–278.
Fukusako,  S., and Yamada,  M., 1993, “Recent Advances in Research on Water-Freezing and Ice-Melting Problems,” Exp. Therm. Fluid Sci., 6, pp. 90–105.
Moffat,  R. J., 1988, “Describing the Uncertainties in Experimental Results,” Exp. Therm. Fluid Sci., 1, pp. 3–17.
Hao, Y. L., and Tao, Y.-X., 1999, “Heat Transfer Characteristics in Convective Melting of a Solid Particle in a Fluid,” Proc., 1999 International Mechanical Engineering Congress and Exposition, ASME, New York, HTD-Vol. 364-2 , pp. 113–121.
Kunii, D., and Levenspiel, O., 1991, Fluidization Engineering, 2nd Edition, Butterworth-Heinemann.
Wakao, N., and Kaguei, S., 1982, Heat and Mass Transfer in Packed Beds, Gordon and Breach, New York.
Plumb,  A., 1994, “Convective Melting of a Packed Bed,” Int. J. Heat Mass Transf., 37, pp. 829–836.
Bouré, J. A., and Delhaye, J. M., 1982, “General Equations and Two-Phase Flow Modeling,” Handbook of Multiphase Systems, G. Hestroni, ed., Hemisphere Publishing Corp., Washington, pp. 36–95, Chap. 1.
Hao, Y. L., and Tao, Y.-X., 1999, “Three-Dimensional Numerical Simulation of Convective Melting of Solid Particles in a Fluid,” Proc. 1999 International Mechanical Engineering Congress and Exposition, ASME, New York, HTD-Vol. 364-2 , pp. 213–220.
Garg,  S. K., and Pritchett,  J. W., 1975, “Dynamics of Gas-Fluidized Beds,” J. Appl. Phys., 46, pp. 4493–4500.

Figures

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(a) Schematic, (b) test section, and (c) the photo of the Particle-Melting-in-Flow (PMF) flight test module
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(a) Melting of packed bed under gravity condition, and (b) under microgravity condition
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Typical thermal image of ice-water mixture
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Time variation of the packed bed thickness: D=16.4 mm,Re=275,Tl,in=293 K
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Time variation of liquid temperature distribution near the side window: D=16.4,Re=275,Tl,in=293 K, t=(a) 10 s, (b) 30 s , (c) 70 s , (d) 110 s, and (e) 150 s.
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Time variation of liquid temperature distribution at the outlet of test section: D=16.4,Re=275,Tl,in=293 K: t=(a) 10 s, (b) 30 s, (c) 70 s, (d) 110 s, and (e) 150 s.
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Time variation of liquid temperature distribution at the outlet of test section for ground tests: (the other conditions are the same as those in Fig. 6)
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Nusselt number variation with Reynolds number for (a) average Nu, and (b) local Nu
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Nusselt number versus (Pr1/3 Re0.6)2 for (a) average Nu, and (b) local Nu [(Pr1/3 Re0.6)2 instead of Pr1/3Re0.6 shown here for illustration only]
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Dimensionless average mass melting rate as a function of Re /Fr2
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Dimensionless average mass melting rate as a function of Stefan number

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