https://doi.org/10.1140/epjs/s11734-022-00653-z
Review
Advances in droplet aerobreakup
1
Department of Mechanical Engineering, Indian Institute of Science, Bangalore, 560012, Bengaluru, KA, India
2
Interdisciplinary Centre for Energy Research, Indian Institute of Science, Bangalore, 560012, Bengaluru, KA, India
c
sbasu@iisc.ac.in
d
alokekumar@iisc.ac.in
Received:
16
May
2022
Accepted:
2
August
2022
Published online:
26
August
2022
Secondary atomization of a liquid droplet can be achieved by subjecting it to a high-speed gas stream. This is referred as the aerodynamic breakup, and is encountered in various natural and industrial processes. Here we present a concise review and discussion on the developments of the aerodynamic breakup for Newtonian and non-Newtonian liquid droplets. We discuss different breakup modes, suitable non-dimensional numbers, and the role of hydrodynamic instabilities in the perspective of droplet atomization. Special attention is given to the shock induced atomization of polymeric and liquid metal droplets.
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