期刊
JOURNAL OF APPLIED MECHANICS AND TECHNICAL PHYSICS
卷 60, 期 4, 页码 650-660出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0021894419040084
关键词
water droplets; shape; interaction; collisions; angular and linear parameters; bouncing; coalescence; separation; disruption
资金
- Russian Science Foundation [18-71-10002]
The influence of the dimensionless angular and linear parameters of interaction of water droplets shaped as a sphere, an ellipsoid, and a conventionally liquid disk on the characteristics (regimes) of their collisions in air (bouncing, coalescence, separation, or disruption) is studied by using a system of high-speed video recording. Conditions of sustainable implementation of this interaction are determined. Maps of the corresponding regimes are constructed and compared with available data. The characteristic sizes, the number of liquid fragments formed in collisions, and the total areas of the evaporation surface are calculated. It is demonstrated that the liquid surface area in the case of collisions of conventionally liquid disks is significantly (by several times) greater than that in the case of spherical droplets.
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