TY - JOUR
T1 - A hierarchical levitating cluster containing transforming small aggregates of water droplets
AU - Fedorets, Alexander A.
AU - Dombrovsky, Leonid A.
AU - Bormashenko, Edward
AU - Nosonovsky, Michael
N1 - Publisher Copyright:
© 2022, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
PY - 2022/7
Y1 - 2022/7
N2 - A new type of levitating droplet cluster composed of often transforming small aggregates of water droplets is described for the first time. Unlike earlier observed droplet clusters controlled by aerodynamic forces, which formed either an ordered hexagonal structure or a chain structure, the cluster under consideration has a hierarchical organization. Small groups of closely spaced or packed droplets with interactions controlled by the electrostatic force are combined into larger structures controlled by aerodynamic forces. Since charged droplets in the nucleus of the cluster do not have dynamically stable configurations, droplet aggregates keep continuously restructuring. However, droplets with lower charges in external layers of the cluster form a stable hexagonal structure. Graphical abstract: Levitating hierarchical droplet cluster build of small droplet groups. [Figure not available: see fulltext.].
AB - A new type of levitating droplet cluster composed of often transforming small aggregates of water droplets is described for the first time. Unlike earlier observed droplet clusters controlled by aerodynamic forces, which formed either an ordered hexagonal structure or a chain structure, the cluster under consideration has a hierarchical organization. Small groups of closely spaced or packed droplets with interactions controlled by the electrostatic force are combined into larger structures controlled by aerodynamic forces. Since charged droplets in the nucleus of the cluster do not have dynamically stable configurations, droplet aggregates keep continuously restructuring. However, droplets with lower charges in external layers of the cluster form a stable hexagonal structure. Graphical abstract: Levitating hierarchical droplet cluster build of small droplet groups. [Figure not available: see fulltext.].
KW - Aggregates of droplets
KW - Droplet cluster
KW - Levitation
UR - http://www.scopus.com/inward/record.url?scp=85132070135&partnerID=8YFLogxK
U2 - 10.1007/s10404-022-02557-9
DO - 10.1007/s10404-022-02557-9
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AN - SCOPUS:85132070135
SN - 1613-4982
VL - 26
JO - Microfluidics and Nanofluidics
JF - Microfluidics and Nanofluidics
IS - 7
M1 - 52
ER -