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TECHNICAL PAPERS

Thermal Modeling of a Small-Particle Solar Central Receiver

[+] Author and Article Information
Fletcher J. Miller

National Center for Microgravity Research*, NASA Glenn Research Center, MS 110-3, Cleveland, Ohio 44135-3191e-mail: fletcher@grc.nasa.gov

Roland W. Koenigsdorff

University of Applied Sciences at Biberach*, Karlstr. 9-11, D-88400 Biberach, Germanye-mail: koenigsdorff@fh-biberach.de

J. Sol. Energy Eng 122(1), 23-29 (Feb 01, 2000) (7 pages) doi:10.1115/1.556277 History: Received June 01, 1998; Revised February 01, 2000
Copyright © 2000 by ASME
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References

Hunt, A. J., 1978, “Small Particle Heat Exchangers,” Lawrence Berkeley Laboratory Report LBL-7841.
Abdelrahman,  M., Fumeaux,  P., and Suter,  P., 1979, “Study of Solid-Gas Suspensions Used for Direct Absorption of Concentrated Solar Radiation,” Sol. Energy, 22, No.1, pp. 45–48.
Hunt, A. J., Ayer, J., Hull, P., Miller, F., Noring, J., and Worth, D., 1986, “Solar Radiant Heating of Gas-Particle Mixtures,” Lawrence Berkeley Laboratory Report LBL-22743.
Schoenung, S., De Laquil, P., and Loyd, R., 1987, “Particle Suspension Heat Transfer in a Solar Central Receiver,” Proceedings of the ASME-JSME Joint Thermal Engineering Conference, Honolulu, Hawaii.
Miller, F. J., 1988, “Radiative Heat Transfer in a Flowing Gas-Particle Mixture,” Ph.D. thesis, University of California at Berkeley.
Miller,  F. J., and Koenigsdorff,  R., 1991, “Theoretical Analysis of a High-Temperature Small-Particle Solar Receiver,” Sol. Energy Mater., 24, pp. 210–221.
Miller, F. J., 1992, “A Cylindrical Small-Particle Solar Central Receiver,” Proceedings of the 6th International Symposium on Solar Thermal Concentrating Technologies,1 , pp. 371–386, Mojacar, Spain.
Yuen,  W., Miller,  F. J., and Hunt,  A. J., 1985, “Heat Transfer Characteristics of a Gas-Particle Mixture Under Direct Radiant Heating,” Int. Commun. Heat Mass Transf., 13, pp. 145–154.
Falcone, P. K., Noring, J. E., and Hruby J. M., 1985, “Assessment of a Solid Particle Receiver for a High Temperature Solar Central Receiver System,” Sandia National Laboratory Livermore Report SAND 85-8208.
Siegel, R., and Howell, J., 1981, Thermal Radiation Heat Transfer, Hemisphere Publishing Corp., Washington D.C.
Siddall,  R. G., and Selcuk,  N., 1979, “Evaluation of a New Six-Flux Model for Radiative Transfer in Rectangular Enclosures,” Trans. Inst. Chem. Eng., 57, pp. 163–169.
Chu,  C., and Churchill,  S., 1955, “Numerical Solution of Problems in Multiple Scattering of Electromagnetic Radiation,” J. Phys. Chem., 59, pp. 855–863.
Koenigsdorff,  R., Miller,  F. J., and Ziegler,  R., 1991, “Calculation of Scattering Fractions for Use in Radiative Flux Models,” Int J. Heat Mass Trans., 34, No. 10, pp. 2673–2676.
Gosman, A., and Lockwood, F., 1973, “Incorporation of a Flux Model for Radiation into a Finite-Difference Procedure for Furnace Calculations,” 14th Symposium (Intl.) on Combustion, The Combustion Institute, Pittsburgh, Penn.
Bohren, C., and Huffman, D., 1983, Absorption and Scattering of Light by Small Particles, Wiley, New York.
Nagle, J., and Stickland-Constable, R., 1962, “Oxidation of Carbon Between 1000 and 2000°C,” Proceedings of the Fifth Carbon Conference,1 , p. 154.
Patankar, S., 1980, Numerical Heat Transfer and Fluid Flow, Hemisphere Publishing Corp., New York.
Koenigsdorff, R., and Miller, F. J., 1991, “PARTREC1—A Thermodynamic Model for High Temperature Small Particle Solar Receivers,” DLR-IB 116, Deutsche Forschungsanstalt für Luft-und Raumfahrt, Stuttgart.
Hunt,  A. J., and Brown,  C. T., 1983, “Solar Test Results of an Advanced Direct Absorption High Temperature Gas Receiver (SPHER),” International Solar Energy Society, Sol. World Congr., 2, pp. 959–963 (also LBL-16947).

Figures

Grahic Jump Location
Small-particle cavity receiver. Incident radiation is parallel to the y-axis, flow is parallel to the z-axis.
Grahic Jump Location
Radiation differential volume used to derive the six-flux equations
Grahic Jump Location
Receiver divided into control volumes: (a) top view; (b) side view (looking at window). Dots are grid points, dashed lines are control volume boundaries.
Grahic Jump Location
Receiver efficiency vs. mass flow rate. Also shown is the receiver coupled to a Carnot cycle which results in an optimum flow rate.
Grahic Jump Location
Heating profiles for three locations in the receiver

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