Kinetics of the Establishment of Quasi-Steady-State Regime of Overcoming Activation Barrier of Nucleation on the Macroscopic Wettable Nuclei |
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Authors: | A K Shchekin T M Yakovenko F M Kuni |
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Institution: | (1) Research Institute of Physics, St. Petersburg State University (Petrodvorets Branch), ul. Ul'yanovskaya 1, Petrodvorets, St. Petersburg, 198504, Russia |
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Abstract: | The solution of the kinetic equation of nucleation on macroscopic wettable condensation nuclei was constructed for the initial (incubation) stage. The solution thus constructed determines the times of relaxation to quasi-steady-state distribution of droplets generating on droplet nuclei in the vicinity of maximum of the work of droplet heterogeneous formation as well as the relaxation to quasi-equilibrium droplet distribution throughout the entire region located to the left of this vicinity at the droplet size axis. The dependence of relaxation times on the height of activation barrier of nucleation, size of nuclei, their nature, and characteristics of matter comprising condensate was elucidated. It was shown when the non-steady-state rate of nucleation becomes actually equal to the quasi-steady-state rate of nucleation. |
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