Abstract
The current trend towards miniaturization of the devices in various fields of technology has led to the creation of a wide range of heat exchangers with a size from units to hundreds of microns. The analysis of the processes of non-equlibrium phase change in microsystems was performed for high rate of heat and mass fluxes. A new approach for the prediction of the flow boiling and condensing heat transfer in microchannels accounting the suppression of nucleate boiling, two-phase forced convection and non-equilibrium evaporation of a thin liquid film is proposed and verified using experimental data. Numerical study of the explosive boiling in a metastable liquid was performed based on the mathematical model of nucleation that account for thermal non-equilibrium bubble growth model.
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