Evaluations of Closure Correlations for the Simulation of Two-Phase Flows in Condensers |
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| Authors: | Hong Gang Hu Chao Zhang |
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| Affiliation: | Department of Mechanical and Materials Engineering , The University of Western Ontario , London, Ontario, Canada |
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| Abstract: | The effects of different closure correlations on numerical simulations of vapor-liquid two-phase flow and heat transfer in steam surface condensers are critically assessed in this study. A modified k-? turbulence model for two-phase flows is used in the simulation. The closure correlations are those for condensation vapor shear, interphase drag forces, non-condensable air, tube-side fluid flow, inundation, and hydraulic resistance due to the tube bundle. Numerical simulations of a steam surface condenser are carried out using different closure correlations, and the numerical results are compared with the experimental data. Recommendations are given for different closure correlations. |
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