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Magnetohydrodynamics (MHD) constitutes a specialized scientific discipline that investigates the dynamic interplay between magnetic fields and electrically conductive fluids. In this study, our primary focus is directed towards elucidating the profound impact exerted by magnetic fields on the dispersion, collision, solidification, and coalescence phenomena exhibited by liquid droplets. Notably, we discern a significant and controllable influence of magnetic fields on the collision dynamics of ferrofluid droplets. Moreover, our investigations reveal that the maximum spread diameter of an impacting droplet can be meticulously manipulated through precise modulation of the applied magnetic field. Furthermore, we demonstrate that the magnetic field serves as a potent parameter for tailoring the solidification or freezing kinetics of liquid droplets. The knowledge gleaned from these endeavors holds significant implications for the fundamental understanding and practical applications of magnetohydrodynamics.
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