Abstract
The results of experimental research on dynamics of propagation of self-sustaining evaporation front in the conditions of large volume are presented. Investigations were carried out using Freon R21, and also in R21 with the addition of SiO2 nanoparticles. The experimental data on the propagation velocity and structure of evaporation fronts were obtained. The spectral analysis of interphase boundary oscillations of evaporation front was obtained. The characteristic frequencies and oscillation amplitudes of interphase boundary depending on the temperature difference are determined. It is shown that the addition of nanoparticles considerably influences the initiation temperature of evaporation front, front velocity and the character of the oscillations of interphase boundary. The analysis of the results obtained is carried out from the perspective of the development of hydrodynamic instabilities in Landau formulation.
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