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Received March 27, 2016
Accepted July 2, 2016
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Comparative study of homogeneous nucleation rate models for wet steam condensing flows
Key Lab of Condition Monitoring and Control for Power Plant Equipment, North China Electric Power University, Ministry of Education, Baoding 071003, China
xuhan@ncepu.edu.cn
Korean Journal of Chemical Engineering, December 2016, 33(12), 3487-3492(6), 10.1007/s11814-016-0197-0
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Abstract
To accurately describe the homogeneous nucleation process in a wet-steam dual-phase flow and to improve the reliability of computations of the condensing steam flow, classical homogeneous nucleation theories were derived and summarized based on the molecular agglomerate thermodynamic free energies. To obtain more accurate homogeneous nucleation rates, various modified homogeneous nucleation rate models were described. Experimental data were used in a comparative study of these models to select a nucleation rate model to provide calculated values for engineering projects. This study indicates that the main difference between different nucleation theories lies in the difference in the influence of temperature on the nucleation rate.
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References
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Lothe J, Pound GM, J. Chem. Phys., 36, 2080 (1962)
Courtney WG, J. Chem. Phys., 36, 2009 (1962)
Bekryaev VI, Kryukova SV, Russian Meteorology Hydrology, 34, 657 (2009)
Ickes L, Welti A, Hoose C, Lohmann U, Phys. Chem. Chem. Phys., 17, 5514 (2015)
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Han ZH, Han X, Li P, CIESC J., 66, 4312 (2015)
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Bakhtar F, Young JB, White AJ, Simpson DA, J. Mechanical Eng. Sci., 219, 1315 (2005)
Kantrowitz A, J. Chem. Phys., 19, 1097 (1951)
Feder J, Russell KC, Lothe J, Pound GM, Adv. Phys., 15, 111 (1966)
Wyslouzil BE, Seinfeld JH, J. Chem. Phys., 97, 2661 (1992)
Courtney WG, J. Chem. Phys., 35, 2249 (1961)
Ford IJ, Phys. Rev. E, 56, 5615 (1997)
Reiss H, Kegel WK, Katz JL, Phys. Rev. Lett., 78, 4506 (1997)
Girshick SL, Chiu C, J. Chem. Phys., 93, 1273 (1990)
Katz JL, Pure Appl. Chem., 64, 1661 (1992)
Wolk J, Strey R, Heath CH, Wyslouzil BE, J. Chem. Phys., 117, 4654 (2002)
Wilemski G, J. Chem. Phys., 103(3), 1119 (1995)
Wolk J, Strey R, J. Phys. Chem. B, 105(47), 11683 (2001)
Heist RH, Reiss H, J. Chem. Phys., 59, 665 (1973)
Anderson RJ, Miller RC, Kassner JL, Hagen DE, J. Atmospheric Sci., 37, 2509 (1980)
Miller RC, Anderson RJ, Kassner JL, J. Chem. Phys., 78, 3204 (1983)
