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Evaluation of General Correlations for Heat Transfer During Boiling of Saturated Liquids in Tubes and Annuli
Six of the most verified correlations for boiling heat transfer were compared to data for horizontal and vertical tubes and annuli. The correlations evaluated were: Chen (1966), Shah (1982), Gungor and Winterton (1987), Liu and Winterton (1991), Kandlikar (1990), and Steiner and Taborek (1992). The database used to evaluate these correlations included 30 fluids, consisting of water, refrigerants, cryogens, and organic and inorganic chemicals. The data cover reduced pressures from 0.005 to 0.783, mass flux from 28 to 11071 kg/m2s, vapor quality from 0 to 0.95, and boiling numbers from 0.000026 to 0.00742. The correlations of Shah (1982) and Gungor and Winterton (1987) gave the best agreement with data with a mean deviation of about 17.5%, with only a couple of data sets showing large deviations. This paper presents and discusses the results of this study. Included are tables giving the range of dimensional and nondimensional parameters covered by each experimental study.
Evaluation of General Correlations for Heat Transfer During Boiling of Saturated Liquids in Tubes and Annuli
Six of the most verified correlations for boiling heat transfer were compared to data for horizontal and vertical tubes and annuli. The correlations evaluated were: Chen (1966), Shah (1982), Gungor and Winterton (1987), Liu and Winterton (1991), Kandlikar (1990), and Steiner and Taborek (1992). The database used to evaluate these correlations included 30 fluids, consisting of water, refrigerants, cryogens, and organic and inorganic chemicals. The data cover reduced pressures from 0.005 to 0.783, mass flux from 28 to 11071 kg/m2s, vapor quality from 0 to 0.95, and boiling numbers from 0.000026 to 0.00742. The correlations of Shah (1982) and Gungor and Winterton (1987) gave the best agreement with data with a mean deviation of about 17.5%, with only a couple of data sets showing large deviations. This paper presents and discusses the results of this study. Included are tables giving the range of dimensional and nondimensional parameters covered by each experimental study.
Evaluation of General Correlations for Heat Transfer During Boiling of Saturated Liquids in Tubes and Annuli
Shahs, M. Mohammed (author)
HVAC&R Research ; 12 ; 1047-1063
2006-10-01
17 pages
Article (Journal)
Electronic Resource
Unknown
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