Nonspherical liquid droplet falling in air

Sahu, Kirti Chandra and Agrawal, Meenu and A R, Premlata and Tripathi, Manoj and Karri, Badarinath (2017) Nonspherical liquid droplet falling in air. In: 70th Annual Meeting of the APS Division of Fluid Dynamics, November 19–21, 2017, Denver, Colorado.

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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 Creators ORCiD Sahu, Kirti Chandra http://orcid.org/0000-0002-7357-1141 Karri, Badarinath UNSPECIFIED
Item Type:	Conference or Workshop Item (Paper)
Subjects:	Physics > Fluid mechanics
Divisions:	Department of Chemical Engineering Department of Mechanical & Aerospace Engineering
Depositing User:	Team Library
Date Deposited:	28 Sep 2017 04:06
Last Modified:	28 Sep 2017 04:13
URI:	http://raiithold.iith.ac.in/id/eprint/3585
Publisher URL:
Related URLs:	Google Scholar

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