Abstract
In this paper, the formation of nanodroplets in piezoelectric nanoejection processes is investigated by non-equilibrium molecular dynamics simulation. By compressing liquid propane molecules with various specific pushing periods of oscillation, the phenomena of liquid thread breakup and droplet formation are simulated. The simulation results revealed that various features aid the piezoelectric nanoejection system. Two breakup shapes including double-cone and long tail structures were found in this process. To analyse the ejection process in detail, 2D contour plots and thermal properties for various pushing periods are shown and discussed in this paper. The results show that the sizes of nanodroplets are linear depending on the pushing periods. The findings show a new control factor and mechanism for nanodroplet formation through piezoelectric nanoejection processes.
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