Nonspherical liquid droplet falling in air

Agrawal, M and Premlata, A R and Tripathi, M K and Karri, Badarinath and Sahu, Kirti Chandra (2017) Nonspherical liquid droplet falling in air. Physical Review B, 95 (3). 033111. ISSN 1098-0121

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Abstract

The dynamics of an initially nonspherical liquid droplet falling in air under the action of gravity is investigated via three-dimensional numerical simulations of the Navier-Stokes and continuity equations in the inertial regime. The surface tension is considered to be high enough so that a droplet does not undergo break-up. Vertically symmetric oscillations which decay with time are observed for low inertia. The amplitude of these oscillations increases for high Gallilei numbers and the shape asymmetry in the vertical direction becomes prominent. The reason for this asymmetry has been attributed to the higher aerodynamic inertia. Moreover, even for large inertia, no path deviations/oscillations are observed.

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IITH Creators:
IITH CreatorsORCiD
Karri, BadarinathUNSPECIFIED
Sahu, Kirti Chandrahttp://orcid.org/0000-0002-7357-1141
Item Type: Article
Uncontrolled Keywords: Drop breakup; Drops Continuity equations; Inertial regimes; Liquid droplets; Navier Stokes; Non-Spherical; Three-dimensional numerical simulations; Vertical direction
Subjects: Chemical Engineering > Biochemical Engineering
Depositing User: Team Library
Date Deposited: 14 Mar 2017 08:37
Last Modified: 20 Sep 2017 09:17
URI: http://raiith.iith.ac.in/id/eprint/3087
Publisher URL: https://doi.org/10.1103/PhysRevE.95.033111
OA policy: http://www.sherpa.ac.uk/romeo/issn/2469-9950/
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