CFD modeling of condensation process of water vapor in supersonic flowsTools Yang, Yan, Walther, Jens Honore, Yan, Yuying and Wen, Chuang (2017) CFD modeling of condensation process of water vapor in supersonic flows. Applied Thermal Engineering, 115 . pp. 1357-1362. ISSN 1873-5606 Full text not available from this repository.AbstractThe condensation phenomenon of vapor plays an important role in various industries, such as the steam flow in turbines and refrigeration system. A mathematical model is developed to predict the spontaneous condensing phenomenon in the supersonic flows using the nucleation and droplet growth theories. The numerical approach is validated with the experimental data, which shows a good agreement between them. The condensation characteristics of water vapor in the Laval nozzle are described in detail. The results show that the condensation process is a rapid variation of the vapor-liquid phase change both in the space and in time. The spontaneous condensation of water vapor will not appear immediately when the steam reaches the saturation state. Instead, it occurs further downstream the nozzle throat, where the steam is in the state of supersaturation.
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