The influence of surface tension gradients on drop coalescence

  title={The influence of surface tension gradients on drop coalescence},
  author={François Blanchette and Laura Messio and John W. M. Bush},
We present the results of a combined experimental and numerical investigation of the coalescence of a drop with a liquid reservoir of a miscible but distinct fluid. Particular attention is given to elucidating the influence on the coalescence process of a surface tension difference between drop and reservoir. Drops are gently deposited on the surface of the reservoir, and so coalesce with negligible initial vertical velocity. Depending on the drop size and reservoir composition, partial or… CONTINUE READING

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