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RESEARCH PAPER

Melting Heat Transfer Characteristics of Microencapsulated Phase Change Material Slurries With Plural Microcapsules Having Different Diameters

[+] Author and Article Information
Hideo Inaba, Myoung-Jun Kim, Akihiko Horibe

Department of Mechanical Engineering, Faculty of Engineering, Okayama University, Tsushimanaka 3-1-1, Okayama 700-8530, Japan

J. Heat Transfer 126(4), 558-565 (Apr 16, 2003) (8 pages) doi:10.1115/1.1773584 History: Revised April 16, 2003; Received June 30, 2003
Copyright © 2004 by ASME
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References

Hale, D. V., Hoover, M. J., and O’Neil, M. J., 1971, Phase Change Materials Handbook, NASA CR-61363.
Mehalick, E. M., and Tweedie, A. T., 1975, “Two Component Thermal Energy Storage Material,” Report NSF/RANN/SE/AER-74-09186, National Science Foundation, Washington, D.C.
Kasza, K. E., and Chen, M. M., 1982, “Development of Enhanced Heat Transfer/Transport/Storage Slurries for Thermal System Improvement,” ANL-82-50, Argonne National Lab., IL.
Hart, R., and Thornton, F., 1982, “Microencapsulation of Phase Change Materials,” Final Report Contract No. 82-80, Ohio Department of Energy, OH.
Charunyakorn,  P., Sengupta,  S., and Roy,  S. K., 1991, “Forced Convection Heat Transfer in Microencapsulated Phase Change Material Slurries: Flow in Circular Ducts,” Int. J. Heat Mass Transfer, 34, pp. 819–833.
Choi,  E.-S., Cho,  Y.-I., and Harold,  G. L., 1994, “Forced Convection Heat Transfer With Phase-Change-Material Slurries: Turbulent Flow in a Circular Tube,” Int. J. Heat Mass Transfer, 37, pp. 207–215.
Inaba,  H., Kim,  M.-J., and Horibe,  A., 2002, “Cold Heat Storage Characteristics of Latent Heat Microcapsule-Water Mixture Flowing in a Pipe With Constant Temperature Wall,” Trans. JSME, 68, pp. 156–163.
Inaba, H., Kim, M.-J., and Horibe, A., 2002, “Melting Heat Transfer Characteristics of Latent Heat Microcapsule-Water Mixed Slurry Flowing in a Pipe With Constant Wall Heat Flux (Experimenal Study),” Trans. JSRAE, 19 , pp. 13–22.
Maxwell, J. C., 1954, A Treatise on Electricity and Magnetism, 3rd ed., 1 , Dover, New York, pp. 440–441.
Vand,  V., 1945, “Theory of Viscosity of Concentrated Suspensions,” Nature, 155, pp. 364–365.
Gnielinski,  V., 1976, “New Equations for Heat and Mass Transfer in Turbulent Pipe and Channel Flow,” Int. Chem. Eng., 16, pp. 359–368.
Ng, K. S., Hartnett, J. P., and Tung, T. T., 1977, “Heat Transfer of Concentrated Drag Reducing Viscoelastic Polyacrylamide Solutions,” AIChE Pap., Heat Transfer Conf., 17th, pp. 74.
Bird, R. B., Armstrong, R. C., and Hassager, O., 1977, Dynamics of Polymeric Liquids, 1 , Wiley, New York.
Bird, R. B., Stewart, W. E., and Lightfoot, E. N., 1960, Transport Phenomena, Wiley, New York.
Mizushina,  T., Ito,  R., Kuriwake,  K., and Yahikazawa,  K., 1967, “Boundary Layer Heat Transfer in a Circular Tube to Newtonian and non-Newtonian Fluids,” Kagaku Kogaku Ronbunshu, 31, p. 250.
Takeda,  Y., 1995, “Velocity Profile Measurement by Ultrasonic Doppler Method,” Exp. Therm. Fluid Sci., 10, pp. 444–453.

Figures

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The diameter distribution of the plural PCMs particles
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Thermophysical properties of the plural PCMs slurry
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Schematic diagram of experimental apparatus
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Nondimensional velocity profile of water in the radial direction
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Nondimensional velocity profiles in the radial direction
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Momentum model of a sphere
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Coefficient of lift force and drag force of a sphere
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Calculated nondimensional velocity profile in the radial direction
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Fanning friction factor of water
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Fanning friction factor of the plural PCMs slurry and uniformly small sized PCM slurry
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(a) Variation of local Nusselt number with non-dimension distance in the tube axis; and (b) Variation of surface wall temperature of test section tube with nondimension distance in the tube axis
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The relationship between Mean Nusselt number and modified Reynolds number
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The relationship between Qtr/Wth and Re′
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The relationship between drag force ratio DR and nondimensional heat transfer ratio HTR

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