# Size distribution of a drop undergoing breakup at moderate Weber numbers

Source: [Size distribution of a drop undergoing breakup at moderate Weber numbers](<https://www.sota2.com/research/paper/68fa44011e209131ce90e08e>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-28T13:54:38.959Z

Authors: Someshwar Sanjay Ade, Lakshmana Dora Chandrala, Kirti Chandra Sahu

Published: 2023-02-23T10:32:26.000Z

## Abstract

The size distribution of child droplets resulting from a dual-bag fragmentation of a water drop is investigated using shadowgraphy and digital in-line holography techniques. It is observed that parent drop fragmentation contributes to the atomization of tiny child droplets, while core drop disintegration predominantly results in larger fragments. Despite the complexity associated with dual-bag fragmentation, we demonstrate that it exhibits a bi-modal size distribution. In contrast, the single-bag breakup undergoes a tri-modal size distribution. We employ the analytical model developed by Jackiw and Ashgriz (2022) for dual-bag fragmentation that convincingly predicts the experimentally observed droplet volume probability density. We also estimate the temporal evolution of child droplet production in order to quantitatively illustrate the decomposition into initial and core breakups. Furthermore, we confirm that the analytical model adequately predicts the droplet size distribution for a range of Weber numbers.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/2302.11910>)

[PDF](<https://arxiv.org/pdf/2302.11910.pdf>)