A comparison of predictive models for the onset of significant void at low pressures in forced-convection subcooled boiling |
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Authors: | S C Lee S G Bankoff |
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Affiliation: | 1. School of Mechanical Engineering, Yeungnam Univ., 214-1, Daedong, 712-749, Gyungsan, Korea 2. Department of Chemical Engineering, Northwestern Univ., 60208-3120, Evanston, IL, U.S.A.
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Abstract: | The predictive models for the onset of significant void (OSV) in forced-convection subcooled boiling are reviewed and compared with extensive data. Three analytical models and seven empirical correlations are considered in this paper. These models and correlations are put onto a common basis and are compared, again on a common basis, with a variety of data. The evaluation of their range of validity and applicability under various operating conditions are discussed. The results show that the correlations of Saha-Zuber (1974) seems to be the best model to predict OSV in vertical subcooled boiling flow. |
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