On the role of capillary waves in the mechanism of coalescence of a droplet cluster

Abstract

Packets of capillary waves on the surface of a horizontal water layer generated at coalescence with a layer of microdroplets (with a characteristic diameter of 50-100 μm) of the dissipative structure "droplet cluster" have been detected by high-speed video recording and the schlieren method. The shortest experimentally observed waves have a length of about 130 μm and their phase velocity exceeds 1.8 m/s. It has been found that the coalescence of a single drop initiates a self-sustained wave process, which induces the coalescence of hundreds of droplets in a time shorter than 1 ms, which form a cluster.

Original language	English
Pages (from-to)	266-269
Number of pages	4
Journal	JETP Letters
Volume	99
Issue number	5
DOIs	https://doi.org/10.1134/S0021364014050087
Publication status	Published - 1 Jan 2014

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "On the role of capillary waves in the mechanism of coalescence of a droplet cluster",

abstract = "Packets of capillary waves on the surface of a horizontal water layer generated at coalescence with a layer of microdroplets (with a characteristic diameter of 50-100 μm) of the dissipative structure {"}droplet cluster{"} have been detected by high-speed video recording and the schlieren method. The shortest experimentally observed waves have a length of about 130 μm and their phase velocity exceeds 1.8 m/s. It has been found that the coalescence of a single drop initiates a self-sustained wave process, which induces the coalescence of hundreds of droplets in a time shorter than 1 ms, which form a cluster.",

author = "Fedorets, {A. A.} and Marchuk, {I. V.} and Kabov, {O. A.}",

year = "2014",

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doi = "10.1134/S0021364014050087",

language = "English",

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pages = "266--269",

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T1 - On the role of capillary waves in the mechanism of coalescence of a droplet cluster

AU - Fedorets, A. A.

AU - Marchuk, I. V.

AU - Kabov, O. A.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - Packets of capillary waves on the surface of a horizontal water layer generated at coalescence with a layer of microdroplets (with a characteristic diameter of 50-100 μm) of the dissipative structure "droplet cluster" have been detected by high-speed video recording and the schlieren method. The shortest experimentally observed waves have a length of about 130 μm and their phase velocity exceeds 1.8 m/s. It has been found that the coalescence of a single drop initiates a self-sustained wave process, which induces the coalescence of hundreds of droplets in a time shorter than 1 ms, which form a cluster.

AB - Packets of capillary waves on the surface of a horizontal water layer generated at coalescence with a layer of microdroplets (with a characteristic diameter of 50-100 μm) of the dissipative structure "droplet cluster" have been detected by high-speed video recording and the schlieren method. The shortest experimentally observed waves have a length of about 130 μm and their phase velocity exceeds 1.8 m/s. It has been found that the coalescence of a single drop initiates a self-sustained wave process, which induces the coalescence of hundreds of droplets in a time shorter than 1 ms, which form a cluster.

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EP - 269

JO - JETP Letters

JF - JETP Letters

SN - 0021-3640

IS - 5

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On the role of capillary waves in the mechanism of coalescence of a droplet cluster

Abstract

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