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TECHNICAL PAPERS: Radiative Heat Transfer

Directional Spectral Emittance of a Packed Bed: Correlation Between Theoretical Prediction and Experimental Data

[+] Author and Article Information
Rogério Lopes, Luı́s M. Moura, Dominique Baillis, Jean-François Sacadura

Institut National des Sciences Appliquées de Lyon, Center de Thermique de Lyon (CETHIL), UPRESA CNRS Q5008, 20, avenue Albert Einstein 69621 Villeurbanne Cedex, France

J. Heat Transfer 123(2), 240-248 (Jul 07, 2000) (9 pages) doi:10.1115/1.1338134 History: Received November 23, 1999; Revised July 07, 2000
Copyright © 2001 by ASME
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References

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Baillis-Doermann, D., and Sacadura, J. F., 1998, “Thermal Radiation Properties of Dispersed Media: Theoretical Prediction and Experimental Characterization,” 2nd ICHMT Int. Symp. On Radiative Transfer, Kusadasi, Turquie, Radiative Transfer II, P. Mengüç, ed., Begell House Inc, NY, pp. 1–38.
Drolen,  B. L., and Tien,  C. L., 1987, “Independent and Dependent Scattering in Packed-Sphere Systems,” Journal of Thermophysics, 1, No. 1, pp. 63–68.
Tien,  C. L., 1988, “Thermal Radiation in Packed and Fluidized Beds,” ASME J. Heat Transfer, 110, pp. 1230–1242.
Brewster,  M. Q., and Tien,  C. L., 1982, “Radiative Transfer in Packed Fluidized Beds: Dependent Versus Independent Scattering,” ASME J. Heat Transfer, 104, pp. 573–579.
Yang,  Y. S., Howell,  J. R., and Klein,  D. E., 1983, “Radiative Heat Transfer Through a Randomly Packed Bed of Spheres by the Monte Carlo Method,” ASME J. Heat Transfer, 105, pp. 325–332.
Kamiuto,  K., 1990, “Correlated Radiative Transfer in Packed-Sphere Systems,” J. Quant. Spectrosc. Radiat. Transf., 43, No. 1, pp. 39–43.
Chen,  J. C., and Churchill,  S. W., 1963, “Radiant Heat Transfer in Packed Beds,” AIChE J., 9, pp. 35–41.
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Jones,  P. D., McLeod,  D. G., and Dorai-Raj,  D. E., 1996, “Correlation of Measured and Computed Radiation Intensity Exiting a Packed Bed,” ASME J. Heat Transfer, 118, pp. 94–102.
Lopes, R., Moura, L. M., Delmas, A., and Sacadura, J.-F., 1998, “Directional Spectral Emittance of Ceramic Material: Theoretical Prediction Compared to Experimental Data,” 7th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, Albuquerque, New Mexico.
Moura, L. M, Baillis, D., and Sacadura, J. F., 1997, “Analysis of the Discrete Ordinate Method: Angular Discretization,” 14th Brazilian Congress of Mechanical Engineering, December 8–12, COB1425, Bauru, Brazil (in portuguese).
Brewster, M. Q., 1992, Thermal Radiative Transfer and Properties, Wiley, New York, pp. 301–336.
Touloukian, Y. S., and DeWitt, D. P., 1972, Thermophysical Properties of Matter; Thermal Radiative Properties: Nonmetalic Solids, IFI/Plenum, New York.
Beck, J. V., and Arnold, K. J., 1977, Parameter Estimation in Engineering and Science, Wiley, New York.
Nicolau,  V. P., Raynaud,  M., and Sacadura,  J. F., 1994, “Spectral Radiative Properties Identification of Fiber Insulating Materials,” Int. J. Heat Mass Transf., 37, pp. 321–324.
Baillis,  D., Raynaud,  M., and Sacadura,  J. F., 1999, “Spectral Radiative Properties of Open-Cell Foam Insulation,” J. Thermophys. Heat Transfer, 13, No. 3, pp. 292–298.
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Figures

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Picture of packed spheres sample (#3): magnification is 45; scale bar depicts 100 μm.
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Experimental device using a FTIR spectrometer to measure spectral bidirectional reflectance for plane of incidence 17
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Particle spectral hemispherical reflectivity: values obtained from the parameter estimation approach.
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Experimental and theoretical reflectance for sample 1 for an angle of 170 deg with the incident direction
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Experimental device used to measure directional spectral emission. The radio-spectrometer and the pyrometer are rotated to acquire the measurement on the blackbody.
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Comparison of measured and predicted spectral directional emittance of sample 1 (L=3.24 mm,fv=0.768,d=100 μm, and T=870 K)
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Comparison of measured and predicted spectral directional emittance of sample 2 (L=2.93 mm,fv=0.730,d=200 μm, and T=917 K)
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Comparison of measured and predicted spectral directional emittance of sample 3 (L=2.94 mm,fv=0.689,d=300 μm, and T=890 K)
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Comparison of measured and predicted spectral directional emittance of sample 4 (L=4.91 mm,fv=0.612,d=400 μm, and T=888 K)
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Relative difference between measured and predicted spectral directional emittance of sample 1 (L=3.24 mm,fv=0.768,d=100 μm, and T=870 K)
Grahic Jump Location
Relative difference between measured and predicted spectral directional emittance of sample 2 (L=2.93 mm,fv=0.730,d=200 μm, and T=917 K)
Grahic Jump Location
Relative difference between measured and predicted spectral directional emittance of sample 3 (L=2.94 mm,fv=0.689,d=300 μm, and T=890 K)
Grahic Jump Location
Relative difference between measured and predicted spectral directional emittance of sample 4 (L=4.91 mm,fv=0.612,d=400 μm, and T=888 K)

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