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TECHNICAL PAPERS: Radiative Transfer

Radiation Heat Transfer Between Fluidizing Particles and a Heat Transfer Surface in a Fluidized Bed

[+] Author and Article Information
Jun Yamada

Department of Mechanical System Engineering, Yamanashi University, Takeda 4, Kofu, Yamanashi 400-8511, Japane-mail: jyamada@ccn.yamanashi.ac.jp

Yasuo Kurosaki

Department of Mechanical and Control Engineering, University of Electro-Communications,

Takanori Nagai

Mitsubishi Heavy Industries, Kan-non Shinmachi 4-6-22, Nishi, Hiroshima, Hiroshima 733-8553, Japan

J. Heat Transfer 123(3), 458-465 (Jan 08, 2001) (8 pages) doi:10.1115/1.1370503 History: Received May 16, 2000; Revised January 08, 2001
Copyright © 2001 by ASME
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References

Brewster,  M. Q., 1986, “Effective Absorptivity and Emissivity of Particulate Medium with Application to a Fluidized Bed,” ASME Journal of Heat Transfer , 108, pp. 710–713.
Glicksman, L. R, 1988, “Circulating Fluidized Bed Heat Transfer,” Circulating Fluidized Bed Technology-II, P. Basu, and P. Large, eds., Pergamon Press, pp. 13–30.
Basu,  P., 1990, “Heat Transfer in High Temperature Fast Fluidized Bed,” Chem. Eng. Sci., 45, No. 10, pp. 3123–3136.
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Saxena,  S. C., Srivastava,  K. K., and Vadivel,  R., 1989, “Experimental Techniques for the Measurement of Radiative and Total Heat Transfer in Gas Fluidized Beds: A Review,” Exp. Therm. Fluid Sci., 2, pp. 350–364.
Il’chenko,  A. I., Pikashov,  V. S., and Makhorin,  K. E., 1968, “Study of Radiative Heat Transfer in a Fluidized Bed,” J. Eng. Phys., 14, pp. 321–324.
Basu,  P., 1978, “Bed-to-Wall Heat Transfer in a Fluidized Bed Coal Combustor, in Fluidization: Application to Coal Conversion Processes,” C. Y. Wen, ed., AIChE Symp. Ser., 74, No. 176, pp. 187–193.
Vadivel, R., and Vedamurthy, V. N., 1980, “An Investigation of the Influence of Bed Parameters on the Variation of the Local Radiative and Total Heat Transfer Coefficient Around an Embedded Horizontal Tube in a Fluidized Bed Combustor,” Proc. 6th Int. Conf. Fluidized Bed Combustion, 3 , pp. 1159–1172.
Ozkaynak, T. F., Chen, J. C., and Frankenfield, T. R., 1984, “An Experimental Investigation of Radiation Heat Transfer in a High Temperature Fluidized Bed,” Proc. 4th Int. Conf. Fluidization, D. Kunii and R. Toei, eds., Engineering Foundation, New York, pp. 371–378.
Alavizadeh, N., Adams, R. L., Welty, J. R., and Goshayeshi, A., 1984, “An Instrument for Local Radiative Heat Transfer Measurement in a Gas-Fluidized Bed at Elevated Temperatures,” paper presented at the 22nd ASME/AIChE Nat. Heat Transfer Conference, Niagara Farls, August.
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Mathur,  A., and Saxena,  S. C., 1987, “Total and Radiaitve Heat Transfer to an Immersed Surface in a Gas-Fluidized Bed,” AIChE J., 33, pp. 1124–1135.
Yamada,  J., Kurosaki,  Y., Satoh,  I., and Shimada,  K., 1995, “Radiation Heat Exchange between a Fluidized Bed and Heated Surface,” Exp. Therm. Fluid Sci., 11, No. 2, pp. 135–142.
Yamada,  J., Kurosaki,  Y., and Morikawa,  T., 2001, “Radiation Emitted from Fluidizing Particles Adjacent to a Heated Surface in a Fluidized Bed,” International Journal of Thermal Sciences, 40, pp. 104–113.
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Figures

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Schematic diagram of the experimental setup
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Schematic diagram of the cooling system for the heat transfer surface
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Distribution of radiation energy emitted by the fluidizing particles (Glass, d=200 μm,U/Umf=2.0)
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Distribution of the time-averaged radiation energy emitted by the fluidizing particles (Glass, d=200 μm,U/Umf=2.0)
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Effect of the fluidizing velocity on the dimensionless radiation energy
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Effect of the particle diameter on the dimensionless radiation energy normalized by that emitted from an isothermal fluidizing bed at 60°C
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Effect of the bed emissivity on the dimensionless radiation energy
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Effect of the particle diameter on the radiation heat transfer efficiency
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Effect of the fluidizing velocity on the radiation heat transfer efficiency
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Configuration for the cooling system and the background radiation
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System output of the IR camera versus the radiation energy emitted by a pseudo-blackbody

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