Numerical Simulation of Non-Isothermal Floating Droplet Dynamics

The dynamics and instabilities of a droplet floating on the cooled liquid substrate are investigated. The problem is studied numerically in the framework of the slender droplet approximation. Stationary and oscillatory regimes of Marangoni convection are observed. The influence of spatial inhomogene...

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Bibliographic Details
Published in:Microgravity science and technology 2022-08, Vol.34 (4), Article 69
Main Authors: Nepomnyashchy, Alexander, Simanovskii, Ilya
Format: Article
Language:English
Subjects:
Aerospace Technology and Astronautics
Approximation
Classical and Continuum Physics
Convection cooling
Droplets
Engineering
Equilibrium
Inhomogeneity
Interfaces
Investigations
Marangoni convection
Numerical simulations
Original Article
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Substrates
The effect of gravity on non-equilibrium processes in fluids
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Summary:The dynamics and instabilities of a droplet floating on the cooled liquid substrate are investigated. The problem is studied numerically in the framework of the slender droplet approximation. Stationary and oscillatory regimes of Marangoni convection are observed. The influence of spatial inhomogeneity and temporal modulation of temperature is investigated.
ISSN:1875-0494
0938-0108
1875-0494
DOI:10.1007/s12217-022-09979-8