Effect of the Angular and Linear Parameters of Interaction of Water Droplets of Various Shapes on the Characteristics of Their Collisions

G. V. Kuznetsov, A. K. Rebrov, P. A. Strizhak, N. E. Shlegel

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Pages (from-to)650-660
Number of pages11
JournalJournal of Applied Mechanics and Technical Physics
Volume60
Issue number4
DOIs
Publication statusPublished - 1 Jul 2019

Fingerprint

collisions
Liquids
liquids
water
Water
liquid surfaces
interactions
ellipsoids
Video recording
coalescing
Coalescence
recording
high speed
fragments
evaporation
Evaporation
air
Air

Keywords

  • angular and linear parameters
  • bouncing
  • coalescence
  • collisions
  • disruption
  • interaction
  • separation
  • shape
  • water droplets

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "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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T1 - Effect of the Angular and Linear Parameters of Interaction of Water Droplets of Various Shapes on the Characteristics of Their Collisions

AU - Kuznetsov, G. V.

AU - Rebrov, A. K.

AU - Strizhak, P. A.

AU - Shlegel, N. E.

PY - 2019/7/1

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N2 - 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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