What is it about?
Breakup of a drop in air as seen commonly in raindrops is dictated by waves of differing wavelength forming on its surface. We show an interesting connection between these wavelengths, revealing their influence on generated fragment sizes.
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Photo by Brazil Topno on Unsplash
Why is it important?
Atomization of a single drop impacted by a stream of air appears as the constituent element of diverse natural and industrial processes, examples of which can be seen in falling raindrops, sea aerosols, sneeze ejecta, and liquid propellant combustion
Perspectives
Even though ubiquitous in nature and everyday life, many aspects of breakup of single drop in air are still elusive. This work gave an opportunity to unearth some novel features of this phenomenon. Especially, unravelling a yet unknown connection between the different types of waves that emerge of the surface of the drop as it moves relative to the surrounding air. Further our predictions on fragment sizes are expected to greatly guide studies in multitude of applications such meteorology, combustion, bioaerosols, paint sprays, chemical treatment processes.
Dr. Varun Kulkarni
Read the Original
This page is a summary of: On interdependence of instabilities and average drop sizes in bag breakup, Applied Physics Letters, July 2023, American Institute of Physics,
DOI: 10.1063/5.0152096.
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