Abstract
In a laboratory pool, the fine structure of flows arising from the primary contact of freely falling droplet with a liquid at rest is investigated by the methods of macrophotography and high-speed videotaping. Primary attention is paid to visualization of short capillary waves on the droplet surface formed from the impact of small splashes. The angular positions of the trajectories of splashes determine the values of the surface-tension coefficients of the liquids of the droplet and the accepting environment. The conditions under which the splashes hit the droplet surface are determined.
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Original Russian Text © Yu.D. Chashechkin, A.Yu. Ilinykh, 2015, published in Doklady Akademii Nauk, 2015, Vol. 465, No. 4, pp. 434–440.
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Chashechkin, Y.D., Ilinykh, A.Y. Capillary waves on the surface of a droplet falling into a liquid. Dokl. Phys. 60, 548–554 (2015). https://doi.org/10.1134/S1028335815120022
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DOI: https://doi.org/10.1134/S1028335815120022