Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/3865
Title: Droplet impact and spreading around the Right Circular Cone: A numerical approach
Authors: Sahoo, Prakasha Chandra
Senapati, Jnana Ranjan
Rana, Basanta Kumar
Keywords: Droplet impingement
Deformation factor
VOF method
Weber number (We)
Wettability
Issue Date: Dec-2022
Citation: 9th International and 49th National Conference on Fluid Mechanics and Fluid Power (FMFP) IIT Roorkee, Roorkee-247667, Uttarakhand, India, 14-16 December 2022
Abstract: The dynamic features of a water droplet impingement and consecutive penetration around the conical surface are investigated numerically. As a means of analysing the complex hydrodynamic behaviours of the system, axisymmetric simulations based on the Finite Volume Method (FVM) have been employed. This numerical work will be solved by using conservation equations related to mass, momentum, and volume fraction which has been derived from conservation equations. While approaching and penetrating around the conical substrate, droplets impinge upon the surface and undergo a continuous spreading process resulting in a variety of stages, most notably free fall, hitting, cap formation, uncovering, oscillation, and detachment. Apart from this, the most important parameter are the cone base-to-droplet diameter ratio (Dc/Do) ranges from 0.5 to 1 are to be taken for the present numerical study, to observe several deformation characteristics of the droplet continuing to spread during the whole impinging process. The influence of contact angle, cone base-to-droplet diameter ratio, and Weber number (We) on droplet impinging is investigated further by integrating droplet profile and deformation during penetration. In the current investigation, the maximum deformation factor rises with higher Weber number and significantly reducing contact angle.
Description: Copyright belongs to proceeding publisher
URI: http://hdl.handle.net/2080/3865
Appears in Collections:Conference Papers

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