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KSME international journal v.16 no.9, 2002년, pp.1175 - 1182   피인용횟수: 2

Characteristics of Fluid Flow and Heat Transfer in a Fluidized Heat Exchanger with Circulating Solid Particles

Ahn, Soo-Whan   (School of Transport Vehicle Engineering, Institute of Marine Industry, Gyeongsang National UniversityUU0000114  ); Lee, Byung-Chang   (School of Transport Vehicle Engineering, Institute of Marine Industry, Gyeongsang National UniversityUU0000114  ); Kim, Won-Cheol   (School of Transport Vehicle Engineering, Institute of Marine Industry, Gyeongsang National UniversityUU0000114  ); Bae, Myung-Whan   (School of Transport Vehicle Engineering, Institute of Marine Industry, Gyeongsang National UniversityUU0000114  ); Lee, Yoon-Pyo   (Thermal/Flow Control Research Center, Korea Institute of Science of Technology  );
  • 초록

    The commercial viability of heat exchanger is mainly dependent on its long-term fouling characteristic because the fouling increases the pressure loss and degrades the thermal performance of a heat exchanger. An experimental study was performed to investigate the characteristics of fluid flow and heat transfer in a fluidized bed heat exchanger with circulating various solid particles. The present work showed that the higher densities of particles had higher drag force coefficients, and the increases in heat transfer were in the order of sand, copper, steel, aluminum, and glass below Reynolds number of 5,000.


  • 주제어

    Fluidized Bed Heat Exchanger .   Solid Particle .   Heat Transfer Coefficient .   Drag Coefficient .   Fouling.  

  • 참고문헌 (11)

    1. Lee, Y. P., Yoon, S. Y., Jurng, J. S. and Kim, N. H., 1995, 'Mechanism of Fouling Reduction and Heat Transfer Enhancement in a Circulating Fluidized Bed Heat Transfer,' Korean Journal of Air-Conditioning and Refrigeration Eng., Vol. 7, No. 3, pp. 450-460 (in Korean) 
    2. Mickley, H. S. and Trilling, C. A., 1949, 'Heat Transfer Characteristics of Fluicized Beds,' Ind. Engng Chem. 41, pp. 1135-1147 
    3. Stromberg, L., 1982, 'Fast Fluidized Bed Combustion of Coal,' Proc. 7th International Fluidized Bed Combustion Conference, Vol. 2, pp. 1152-1163 
    4. Kim, N. H. and Lee, Y. P., 1995, 'A Study on The Pressure Loss, Heat Transfer Enhancement and Fouling Control in Liquid Fluidized Bed Heat Exchangers,' Proc. of Fouling Mitigation of Industrial Heat Exchange Equipment, An International Conference, San Luis Obispo, California, pp. 421-433 
    5. Klines, S. J. and McClintock, F. A., 1953, 'Describing Uncertainties in Single-Sample Experiment,' Mechanical Engineering, Vol. 75, pp. 3-8 
    6. Lee, K. B., Jun, Y. D. and Park, S. I., 2000, 'Measurement of Heat Transfer Rates and Pressure Drops in a Solid Particle Circulating Fluidized Heat Exchanger,' Korean Journal of Air-Conditioning and Refrigeration Eng., Vol. 12, No. 9, pp. 817-824 (in Korean) 
    7. Kiang K. D., Liu, K. T., Nack, H. and Oxley, J. H., 1976, 'Heat Transfer in Fast Fluidized Beds,' In Fluidization Technology (Edited by Keairns), Vol. 2, pp. 471-483, Hemisphere, Washington, DC. 
    8. Grace, J. R., 1986, 'Heat Transfer in Circulating Fluidized Beds,' In Circulating Fluidized Bed Technology (Edited by Basu), pp. 63-81, Pergamon Press, Canada 
    9. Hinds, W. C., 1982, Aerosol Tchnology, Chap. 3, Wiley & Sons, New York 
    10. Adomeit, P. and Renz, U., 1994, 'The Deposition of Fine Particles from Aqueous Suspensions,' Proc. 10th Int. Heat Transfer Conf., Vol. 5, pp. 207-212 
    11. Fraley, L., Lin, Y. Y., Hsiao, K. H. and Solbakken, A., 1983, 'Heat Transfer Coefficient in Circulating Bed Reactor,' ASME Paper 83-HT-92, Seattle 
  • 이 논문을 인용한 문헌 (2)

    1. 2004. "" KSME international journal, 18(8): 1418~1427     
    2. 2005. "" Journal of mechanical science and technology, 19(5): 1148~1157     

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  • 이병창 (6)

  • 김원철 (22)

  • Bae, Myung-Whan (26)

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